1994 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP001

Instructions for authors (1994) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400000xi

Synthesis and photochemical reactivity of phenylthioureatotriosmium cluster complexes: crystal structures of [Os3H(CO)10{µ-SC(NPh)(NHPh)}] and [Os3H(CO)9{µ3-SC(NPh)(NHPh)}] Eric W. Ainscough, Andrew M. Brodie, Scott L. Ingham, Thomas G. Kotch, Alistair J. Lees, Jack Lewis and Joyce M. Waters, pp 1 DOI:10.1039/DT9940000001

Hydrogenation catalysis by an iron porphyrin and its application to ,-unsaturated esters Shigeyoshi Sakaki, Tatsuya Kojima and Toru Arai, pp 7 DOI:10.1039/DT9940000007

Preparation and characterisation of bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)copper(II) complexes with diazaaromatic compounds. Part 1. Crystal structures and characterisation of several adducts with diazines Tamizo Kogane, Kimiko Kobayashi, Minoru Ishii, Reiko Hirota and Masayoshi Nakahara, pp 13 DOI:10.1039/DT9940000013

Di- and tri-nuclear nickel(II) complexes with bridging thiolato groups. Crystal structure of [NBu4]2[Ni3(C6F5)4(µ-SEt)4] Gregorio Sánchez, Francisco Ruiz, María D. Santana, Gabriel García, Gregorio López, Juan A. Hermoso and Martín Martínez-Ripoll, pp 19 DOI:10.1039/DT9940000019

Synthesis and crystal structures of the gold-carbaborane complexes [9-exo-{Au(PPh3)}-9-(µ-H)-10-endo-{Au(PPh3)}7,8-Me2-nido-7,8-C2B9H8] and [10-exo-{Au2(PPh3)2}-10-endo-{Au(PPh3)}-7,8-Me2-nido-7,8-C2B9H8] John C. Jeffery, Paul A. Jelliss and F. Gordon A. Stone, pp 25 DOI:10.1039/DT9940000025

Reaction of the unsaturated triosmium cluster [Os3H(CO)8{Ph2PCH2P(Ph)C6H4}] with HBF4 and [Au(PPh3)]PF6; crystal structure of [Os3AuH(CO)8{Ph2PCH2P(Ph)C6H4}(PPh3)]PF6 Marjorie M. Harding, Benson Kariuki, A. Jane Mathews, Anthony K. Smith and Pierre Braunstein, pp 33 DOI:10.1039/DT9940000033

Synthesis and reactions of but-2-yne complexes of tungsten(II) containing pyridine-2-thionate (SC5H4N): crystal structure of [W(CO)(NCMe)(SC5H4N)(2- MeC2Me)2][BPh4] Paul K. Baker, Paul D. Jackson and Michael G. B. Drew, pp 37 DOI:10.1039/DT9940000037

Molybdenum(VI) complex formation. Part 7. Equilibria and thermodynamic quantities for the reactions with nitrilotriacetate Johannes J. Cruywagen, J. Bernard B. Heyns and Elisabeth A. Rohwer, pp 45 DOI:10.1039/DT9940000045

Kinetics of ternary complex formation between cobalt(II) species and N,N-dimethyl(p-pyridin-2-ylazo)aniline Michael A. Cobb, David N. Hague and Andrew R. White, pp 51 DOI:10.1039/DT9940000051

Syntheses of novel monomeric 1,4,7-trimethyl-1,4,7-triazacyclononane ruthenium complexes. Reactivities and structure of sterically encumbered cationic monoaquaruthenium(II) and monooxoruthenium(IV) complexes Wing-Chi Cheng, Wing-Yiu Yu, Kung-Kai Cheung and Chi-Ming Che, pp 57 DOI:10.1039/DT9940000057

Studies of phosphazenes. Part 34. Group 6 metal carbonyl complexes of bis(pyrazolyl)cyclotriphosphazenes Annamalai Chandrasekaran, Setharampattu S. Krishnamurthy and Munirathinam Nethaji, pp 63 DOI:10.1039/DT9940000063

Contrasting pathways for the reactions of triruthenaborane cluster anions with [{M(5- C5Me5)Cl2}2](M = Rh or Ir). Molecular structures of [RhRu3(5- C5Me5)H2(CO)8(PPh3)BH] and [IrRu3(5- C5Me5)H(CO)10BH2] Jane R. Galsworthy, Catherine E. Housecroft, Dorn M. Matthews, Robert Ostrander and Arnold L. Rheingold, pp 69 DOI:10.1039/DT9940000069

Assembly of [2 + 2] bimetallic macrocyclic complexes from bis(bipyridyl) ligands and metal ions Alexander Bilyk and Margaret M. Harding, pp 77 DOI:10.1039/DT9940000077

Gold complexes with selenium ligands. Part 7. Synthesis and crystal structures of oligonuclear gold(I)-selenolate complexes Wolfgang Eikens, Carsten Kienitz, Peter G. Jones and Carsten Thöne, pp 83 DOI:10.1039/DT9940000083

A study of the polarities, anisotropic polarisabilities and carbonyl infrared vibrational frequencies of the complexes [M(CO)5{P(OCH2)3CMe}](M = Cr, Mo or W) and the crystal structure of [Mo(CO)5{P(OCH2)3CMe}]: evidence for -acceptor behaviour in co-ordinated phosphorus Manuel J. Aroney, Murray S. Davies, Trevor W. Hambley and Raymond K. Pierens, pp 91 DOI:10.1039/DT9940000091

Chemistry of molybdenum. Part 9. Non-oxomolybdenum(IV) and mononuclear oxomolybdenum(V) complexes with dithioacid ligands Subodh Kanti Dutta, Sujit Baran Kumar, Sudeep Bhattacharyya and Muktimoy Chaudhury, pp 97 DOI:10.1039/DT9940000097

Complexes of the bidentate ligands PPh2CH2C(But)NNR2(R = H or Me) and PPh2CH2C(But)N-NCHPh with palladium and platinum. X-Ray crystal structure of cis-[Pt{PPh2CH2C(But)NNH}2] King Kuok Hii, Sarath D. Perera, Bernard L. Shaw and Mark Thornton-Pett, pp 103 DOI:10.1039/DT9940000103

IUPAC publications on nomenclature and symbolism J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000xxix

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viia

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX003

Issue 2

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP007

2,2 : 6,2-Terpyridine (terpy) acting as a fluxional bidentate ligand. Part 3. Ruthenium carbonyl halide complexes, [RuX2(CO)2(terpy)](X = Cl, Br or I) and metal tetracarbonyl complexes [M(CO)4(terpy)](M = Cr, Mo or W): nuclear magnetic resonance studies of their solution dynamics and synthesis of trans-[RuX2(CO)(terpy)](X = Cl, Br or I) Edward W. Abel, Keith G. Orrell, Anthony G. Osborne, Helen M. Pain and Vladimir ik, pp 111 DOI:10.1039/DT9940000111

Synthetic, spectroscopic and structural studies on phosphine-stabilised [PPh3, Ph2PCH2PPh2, Ph2P(CH2)4PPh2, (Ph2P)C5H4N] main group element-iron-silicon chain complexes Pierre Braunstein, Michael Knorr, Martin Strampfer, André DeCian and Jean Fischer, pp 117 DOI:10.1039/DT9940000117

Di- and tri-nuclear platinum complexes with double acetylide bridges. Molecular structure of [NBu4]2[Pt3(C6F5)4(µ-CCPh)4]·4thf (thf = tetrahydrofuran) Juan Forniés, Elena Lalinde, Antonio Martín and María Teresa Moreno, pp 135 DOI:10.1039/DT9940000135

Electrochemical and electron-electron exchange interactions in binuclear molybdenum complexes containing the bridging ligand 4-(imidazol-1-yl)phenol John P. Maher, Jon A. McCleverty, Michael D. Ward and A. Wlodarczyk, pp 143 DOI:10.1039/DT9940000143

N-salicylideneamino acidate complexes of oxovanadium(IV). Part 1. Crystal and molecular structures and spectroscopic properties Isabel Cavaco, João Costa Pessoa, Dina Costa, Maria T. Duarte, Robert D. Gillard and Pedro Matias, pp 149 DOI:10.1039/DT9940000149

Binuclear pentamethylcyclopentadienyl dirhodium complexes with pyrazolato and diphenylphosphido bridging ligands Daniel Carmona, M. Pilar Lamata, Montserrat Esteban, Fernando J. Lahoz, Luis A. Oro, M. Carmen Apreda, Concepción Foces-Foces and Félix H. Cano, pp 159 DOI:10.1039/DT9940000159

Nucleophilic displacement of halides from dihalogenoplatinum(II) complexes containing a chelating thioether. Kinetics and equilibria Bruno Pitteri, Giampaolo Marangoni, Lucio Cattalini and Luciano Canovese, pp 169 DOI:10.1039/DT9940000169

Structure and electrochemical properties of the new triply bridged molybdenum(V) complex [NBun4]2[Mo2O2(µ-O)(SCH2CO2)2(µ-SCH2CO2)] Antonio Cervilla, Elisa Llopis, José A. Ramírez, Antonio Doménech, Pedro Palanca, Maria T. Picher, Carlo A. Ghilardi and Annabella Orlandini, pp 175 DOI:10.1039/DT9940000175

Unusual properties of metal complexes involving acyclic polydentate thioether ligands. Copper, nickel and palladium complexes of 3,6,9,12,15-pentathiaheptadecane C. Robert Lucas and Shuang Liu, pp 185 DOI:10.1039/DT9940000185

Kinetics of acid-catalysed dissociation of tetraazamacrocyclic ligand complexes of copper(II) Wei-Jen Lan and Chung-Sun Chung, pp 191 DOI:10.1039/DT9940000191

Reactions of titanium tetrachloride with carboxylic acids. Crystal and molecular structure of the dinuclear titanium oxo compound [{TiCl2(O2CBut)(ButCO2H)}2O] Hazel Barrow, David A. Brown, Nathaniel W. Alcock, Howard J. Clase and Malcolm G. H. Wallbridge, pp 195 DOI:10.1039/DT9940000195

New chemistry of binuclear molybdenocene compounds: unexpected synthesis of the bis(fulvalene) derivative [Mo2(µ- : -C10H8)2H2] Malcolm L. H. Green, Victor S. B. Mtetwa, Andrea Sella and Alexander N. Chernega, pp 201 DOI:10.1039/DT9940000201

Exchange in mixtures of cadmium with bis(benzimidazoles) Mark A. R. Dakers, M. N. Stuart Hill, Joyce C. Lockhart and David J. Rushton, pp 209 DOI:10.1039/DT9940000209

Synthesis and structural characterisation of five-co-ordinate copper(I) and silver(I) 2,2:6,2-terpyridine complexes Eric W. Ainscough, Andrew M. Brodie, Scott L. Ingham and Joyce M. Waters, pp 215 DOI:10.1039/DT9940000215

Conformational isomers of bis(tert-butylphosphine)osmium complexes Thomas Daniel and Helmut Werner, pp 221 DOI:10.1039/DT9940000221

Nine-vertex polyhedral iridamonocarbaborane chemistry. Products of thermolysis of [(CO)(PPh3)2IrCB7H8] and emerging alternative cluster-geometry patterns Bohumil tíbr, John D. Kennedy, Eva Drdáková and Mark Thornton-Pett, pp 229 DOI:10.1039/DT9940000229

Dalton communications. Metal-ion recognition. Donor-set control of silver(I)/lead(II) discrimination using mixed-donor macrocyclic ligands Kenneth R. Adam, Darren S. Baldwin, Alan Bashall, Leonard F. Lindoy, Mary McPartlin and Harold R. Powell, pp 237 DOI:10.1039/DT9940000237

Stereoselective photocatalysis of helical ruthenium(II) complexes in the reduction of racemic tris(acetylacetonato)cobalt(III) Katsutoshi Ohkubo, Taisuke Hamada, Hitoshi Ishida, Mitsuhiro Fukushima, Megumi Watanabe and Hisayoshi Kobayashi, pp 239 DOI:10.1039/DT9940000239

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viib

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX007

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP013

Issue 3

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP015

Reactions of the hexanuclear mixed-metal cluster [Ru5RhC(CO)14(5-C5Me5)] and the synthesis, characterisation and structural analysis of the pentanuclear derivative [Ru4RhC(CO)12(5-C5Me5)] Brian F. G. Johnson, Jack Lewis, Hilary Curtis, Trushar Adatia, Mary McPartlin and Jill Morris, pp 243 DOI:10.1039/DT9940000243

Synthesis, crystal structure and electrical properties of two new palladium complexes of selenium and sulfur ligands: [NMe4][Pd(C3S3Se2)2]2 and [PMe4][Pd(C3S5)2]2 Christophe Faulmann, Jean-Pierre Legros, Patrick Cassoux, Joost Cornelissen, Luc Brossard, Makoto Inokuchi, Hiroyuki Tajima and Madoka Tokumoto, pp 249 DOI:10.1039/DT9940000249

Crown thioether chemistry of tin(IV): formation and crystal and molecular structures of 3SnCl4·2[9]aneS3 and 2SnCl4·[18]aneS6·MeCN ([9]aneS3= 1,4,7-trithiacyclononane; [18]aneS6= 1,4,7,10,13,16-hexathiacyclooctadecane) Gerald R. Willey, Adam Jarvis, Janet Palin and William Errington, pp 255 DOI:10.1039/DT9940000255

Crystal structure and magnetic behaviour of a new kind of one-dimensional nickel(II) thiocyanate compound [{NiL(SCN)(µ-SCN)}n][L = bis(3-aminopropyl)methylamine] Ramon Vicente, Albert Escuer, Joan Ribas and Xavier Solans, pp 259 DOI:10.1039/DT9940000259

Synthesis and proton-coupled redox properties of mononuclear or asymmetric dinuclear complexes of ruthenium, rhodium and/or osmium containing 2,2-bis(2-pyridyl)-6,6-bibenzimidazole Masa-aki Haga, Tomo-aki Ano, Takahisa Ishizaki, Kenji Kano, Koichi Nozaki and Takeshi Ohno, pp 263 DOI:10.1039/DT9940000263

Palladium(II) complexes of N-sulfonylamino acids. Part 1. Solid-state behaviour of binary and ternary 2,2-bipyridine-containing systems Anna Bonamartini Corradi, Eleonora Gozzoli, Ledi Menabue, Monica Saladini, Luigi Pietro Battaglia and Paolo Sgarabotto, pp 273 DOI:10.1039/DT9940000273

Palladium(II) complexes of N-sulfonylamino acids. Part 2. Co-ordination behaviour under strongly acidic conditions Gianantonio Battistuzzi, Giovanna Gavioli, Marco Borsari, Ledi Menabue, Monica Saladini and Marco Sola, pp 279 DOI:10.1039/DT9940000279

Palladium(II) complexes of N-sulfonylamino acids. Part 3. Ternary adducts with 2,2-bipyridine Gianantonio Battistuzzi, Eleonora Gozzoli, Marco Borsari, Ledi Menabue, Monica Saladini and Marco Sola, pp 285 DOI:10.1039/DT9940000285

Diastereoselective nucleophilic additions to imines attached to tricarbonyl(arene)chromium moieties Dorothy M. David, Leon A. P. Kane-Maguire and Stephen G. Pyne, pp 289 DOI:10.1039/DT9940000289

Ligand substitution reactions of aquacobalamin: further evidence for a dissociative interchange mechanism, and factors controlling reaction rates Helder M. Marques, Orde Q. Munro, Bridgette M. Cumming and Caren de Nysschen, pp 297 DOI:10.1039/DT9940000297

Cationic titanium(IV) complexes via halide abstraction from [Ti(C5H5)Cl3]: crystal and molecular structure of [Ti(C5H5)(MeCN)5][SbCl6]3·2MeCN Gerald R. Willey, Mark L. Butcher, Mary McPartlin and Ian J. Scowen, pp 305 DOI:10.1039/DT9940000305

Formation of [Mn(-C5H5)O2] by photooxidation of [Mn(5-C5H5)(CO)3] in low-temperature matrices containing O2 Matthew J. Almond, Richard W. Atkins and Rachel H. Orrin, pp 311 DOI:10.1039/DT9940000311

Chemical reactivities of [Me2Al(µ-NPri2)2MgMe]4 and [Me2Al(µ-NEt2)2MgMe]2: crystal structures of [Me2Al(µ-NPri2)2Mg(µ-I)]2, [Me2Al(µ-OBut)2Mg(µ-OBut)]2, Me2Al(µ-NPri2)(µ-OEt)Mg(µ-NPri2)(µ-OEt)AlMe2 and Me2Al(µ-OBut)2Mg(µ-OBut2)2AlMe2 Chung-Cheng Chang, Wen-Hwa Lee, Tzong-Yih Her, Gene-Hsiang Lee, Shie-Ming Peng and Yu Wang, pp 315 DOI:10.1039/DT9940000315

Novel two-fold-macrocycle-substituted phthalocyanines Makbule Koçak, Ali I. Okur and Özer Bekaroglu, pp 323 DOI:10.1039/DT9940000323

Optical investigation of the intervalence charge-transfer interactions in the three-dimensional gold mixed-valence compounds Cs2Au2X6(X = Cl, Br or I) Norimichi Kojima and Hiroshi Kitagawa, pp 327 DOI:10.1039/DT9940000327

Adducts of trigonal-prismatic and octahedral metal clusters containing interstitial atoms (nitrogen or carbon) with [Au(PPh3)]+ Thierry Blum, Brian T. Heaton, Jonathan A. Iggo, Javad Sabounchei and Anthony K. Smith, pp 333 DOI:10.1039/DT9940000333

Reactivity of the rhenium(V)-oxo complex [AsPh4][ReOCl4] toward bis(diphenylphosphino)amine NH(PPh2)2. Synthesis and crystal structures Roberto Rossi, Lorenza Marvelli, Andrea Marchi, Luciano Magon, Valerio Bertolasi and Valeria Ferretti, pp 339 DOI:10.1039/DT9940000339

Copper(II) and oxovanadium(IV) complexes of 2,3-dihydroxyterephthalic and 2,3,4-trihydroxybenzoic acids Tamas Kiss, Giovanni Micera, Daniele Sanna and Henryk Kozlowski, pp 347 DOI:10.1039/DT9940000347

Chlorometal(III) complexes of a new chiral quinquedentate polyamino acid based on (SS)-trans-cyclohexane-1,2-diamine Trevor W. Hambley, Geoffrey A. Lawrence, Marcel Maeder and Gang Wei, pp 355 DOI:10.1039/DT9940000355

Spin equilibrium in five-co-ordinate Lewis-base adducts of cobalt(II) Schiff-base complexes with a S2N3 ligand environment. Molecular and crystal structure of [CoL4(mim)] at 293 and 103 k [H2L4=N,N-bis(5-mercapto-3-methyl-1-phenylpyrazol-4-ylmethylene)-o-phenylenediamine, mim =N-methylimidazole] Alexander L. Nivorozhkin, Hans Toftlund and Max Nielsen, pp 361 DOI:10.1039/DT9940000361

Electron spin resonance study of the cobalt(II) species formed after room-temperature photolysis of aqua(sec-butyl)bis(dimethylglyoximato)cobalt(III) in the presence of N-donor bases Teresa Arcos, Baltazar de Castro, M. José Ferreira, Maria Rangel and J. Barrie Raynor, pp 369 DOI:10.1039/DT9940000369

Rhenium multihydride heterobimetallic complexes containing bridging and chelating diphosphine ligands Xavier L. R. Fontaine, Timothy P. Layzell and Bernard L. Shaw, pp 379 DOI:10.1039/DT9940000379

Stereoselective oxidative-addition reaction of molecular iodine and mercury(II) halides to rhodium dithiolate compounds. Crystal structure of [Rh2{µ-S(CH2)2S}Cl2(CO)2(PPh3)2] Anabel Elduque, Luis A. Oro, M. Teresa Pinillos, Antonio Tiripicchio and Franco Ugozzoli, pp 385 DOI:10.1039/DT9940000385

Dalton communications. Synthesis, spectroscopy and electrochemistry of luminescent [ReVN{Ph2P(CH2)2PPh2}(MeCN)]2+ Vivian Wing-Wah Yam and Kwok-Kwong Tam, pp 391 DOI:10.1039/DT9940000391

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viic

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX011

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP021

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9940000ixa

Cyclohexadiene and benzene derivatives of [Ru5C(CO)15] Dario Braga, Piera Sabatino, Paul J. Dyson, Alexander J. Blake and Brian F. G. Johnson, pp 393 DOI:10.1039/DT9940000393

Tri- and tetra-nuclear palladium(II) and/or platinum(II) compounds with double thiolato bridges. Crystal structure of [P(CH2Ph)Ph3]2[(C6F5)2Pd(µ-SC6F5)2Pt-(µ-SC6F5)2 Pt(µ-SC6F5)2Pd(C6F5)2] Rafael Usón, Juan Forniés, Miguel A. Usón, Milagros Tomás and Miguel A. Ibáñez, pp 401 DOI:10.1039/DT9940000401

Nucleophilic attack at co-ordinated isocyanides promoted by the 2-pyridyl ligand Bruno Crociani, Francesca Di Bianca, Alberta Fontana, Eleonora Forsellini and Gabriella Bombieri, pp 407 DOI:10.1039/DT9940000407

Unusually labile organoplatinum complexes: a mechanistic study of insertion-deinsertion into platinum-alkyl complexes of pyridine-2-carboxylic acid Hong Jin and Kingsley J. Cavell, pp 415 DOI:10.1039/DT9940000415

Monovalent metal-ion complexation by a bibracchial lariat ether in several solvents Jeremy B. Lucas and Stephen F. Lincoln, pp 423 DOI:10.1039/DT9940000423

Mechanism of the reaction of different phosphates with the iron(II)iron(III) form of purple acid phosphatase from porcine uteri (uteroferrin) Manuel A. S. Aquino, Joo-Sang Lim and Geoffrey Sykes, pp 429 DOI:10.1039/DT9940000429

Proton nuclear magnetic resonance assignments and the electron self-exchange rate constant for pseudoazurin from Achromobacter cycloclastes Christopher Dennison, Takamitsu Kohzuma, William McFarlane, Shinnichiro Suzuki and A. Geoffrey Sykes, pp 437 DOI:10.1039/DT9940000437

1,2-Metallotropic shifts in trimethylplatinum(IV) and tricarbonylrhenium(I) halide complexes of pyridazine and 4-methylpyridazine Edward W. Abel, Elizabeth S. Blackwall, Peter J. Heard, Keith G. Orrell, Vladimir ik, Michael B. Hursthouse, Mohammed A. Mazid and K. M. Abdul Malik, pp 445 DOI:10.1039/DT9940000445

Synthesis, properties and crystal structures of [RuIII2(tacn)2(µ-OH)2(µ-CO3)]Br2·3.75H2O and [Ru3.52(dtne)(µ-O)2(µ-CO3)]PF6·5H2O [tacn = 1,4,7-triazacyclononane, dtne = 1,2-bis(1,4,7-triazacyclononan-1-yl)ethane] Arnd Geilenkirchen, Peter Neubold, Ralf Schneider, Karl Wieghardt, Ulrich Flörke, Hans-Jürgen Haupt and Bernhard Nuber, pp 457 DOI:10.1039/DT9940000457

New piano-stool ruthenium(II) complexes of benzene and bidentate/tridentate nitrogen-donor ligands: synthesis and characterization Zahida Shirin, Rabindranath Mukherjee, John F. Richardson and Robert M. Buchanan, pp 465 DOI:10.1039/DT9940000465

Reactions of the nitridocarbonyl cluster anion [Rh6N(CO)15]- with strong bases: synthesis and crystal structure of the hydridic dianion [Rh6(µ-H)N(CO)14]2- Gianfranco Ciani, Davide M. Proserpio, Angelo Sironi, Secondo Martinengo and Alessandro Fumagalli, pp 471 DOI:10.1039/DT9940000471

Tri- and tetra-nuclear µ-alkyne clusters from [Ru2(µ-CO)(µ-C2R2)(-C5H5)2](R = Ph or CF3) Kerry J. Adams, John J. Barker, Jonathan P. H. Charmant, Christian Ganter, Gunter Klatt, Selby A. R. Knox, A. Guy Orpen and Stefan Ruile, pp 477 DOI:10.1039/DT9940000477

Studies of pendant-arm macrocyclic ligands. Part 8. Synthesis of two pentaazamacrocycles based upon pyridine-containing tetraazamacrocycles with a single pendant co-ordinating 2-pyridylmethyl arm, and characterisation of their nickel(II), copper(II) and zinc(II) complexes. Crystal structure of 7-(2-pyridylmethyl)-3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17),13,15-trienezinc(II) tetrafluoroborate Simon J. Grant, Peter Moore, Hadi A. A. Omar and Nathaniel W. Alcock, pp 485 DOI:10.1039/DT9940000485

-Cation radicals of iron(III) derivatives of deformed porphyrins Mangalampalli Ravikanth, Ashutosh Misra, Damodar Reddy and Tavarekere K. Chandrashekar, pp 491 DOI:10.1039/DT9940000491

Synthesis of tetraalkylthio-substituted phthalocyanines and their complexation with AgI and PdII lke Gürol, Vefa Ahsena and Öuzer Bekarolu, pp 497 DOI:10.1039/DT9940000497

Monocyclooctatetraene uranium thiolate complexes. Crystal structure of [{U(-C8H8)(µ-SPri)2}2] Pascal C. Leverd, Thérèse Arliguie, Monique Lance, Martine Nierlich, Julien Vigner and Michel Ephritikhine, pp 501 DOI:10.1039/DT9940000501

Synthesis and reactivity of palladium(II) complexes with the [C(PPh2)3]- ligand. Crystal structures of [Pd(C6F5){(PPh2)2CPPh2}(PPh3)] and [Pd{(PPh2)2CP(O)Ph2}2]·4.74CHCl3 Juan Forniés, Francisco Martínez, Rafael Navarro, Milagros Tomás and Esteban P. Urriolabeitia, pp 505 DOI:10.1039/DT9940000505

Phosphine-substituted trigonal-prismatic and octahedral clusters Thierry Blum, Michael P. Brown, Brian T. Heaton, Andy S. Hor, Jonathan A. Iggo, Javad S. Z. Sabounchei and Anthony K. Smith, pp 513 DOI:10.1039/DT9940000513

Synthesis and structural characterisation of the osmium cluster dianions [Os17(CO)36]2- and [Os20(CO)40]2- Lutz H. Gade, Brian F. G. Johnson, Jack Lewis, Mary McPartlin, Harold R. Powell, Paul R. Raithby and Wing-Tak Wong, pp 521 DOI:10.1039/DT9940000521

Aggregation of fac-[Ir(aet)3](aet = 2-aminoethanethiolate) around the [CoII4O]6+ core. Structures and some properties of spontaneously resolved S-bridged octanuclear complexes [{Ir(aet)3}4M4O]Br6(M4= CoII4, ZnII4 or ZnII2.8CoII1.2) Ken-ichi Okamoto, Takumi Konno and Jinsai Hidaka, pp 533 DOI:10.1039/DT9940000533

Exchange reactions of acetate ligands and electrophilic rhodium-carbon bond activation in orthometallated rhodium(II) compounds with trifluoroacetic acid. Crystal structure of [Rh2(O2CCF3)3{(C6H4)PPh2]·2CF3CO2H Santiago García-Granda, Pascual Lahuerta, Julio Latorre, Manuel Martinez, Eduardo Peris, Mercedes Sanaú and M. Angeles Ubeda, pp 539 DOI:10.1039/DT9940000539

Mechanism of the acid-catalysed cyclometallation reaction of dirhodium(II) compounds with general formula [Rh2(O2CMe)(µ-O2CMe)2{(C6H4)PPh2}{P(C6H4X)}3}(OH2)] Gabriel González, Pascual Lahuerta, Manuel Martinez, Eduardo Peris and Mercedes Sanaú, pp 545 DOI:10.1039/DT9940000545

Binding geometry of cobalt bleomycin, an empirical force-field analysis Jonathan L. Tueting, Kimberly L. Spence and Marc Zimmer, pp 551 DOI:10.1039/DT9940000551

Synthesis, structure and metal redox of new VO3+ and VO2+ complexes incorporating mixed tridentate-bidentate binding Joydip Chakravarty, Somnath Dutta, Aparna Dey and Animesh Chakravorty, pp 557 DOI:10.1039/DT9940000557

Crystal structures of [Pb(NO3)6]4- and [Ba(NO3)6]4- salts of 24-pyrimidinium crown 6 {5,12,19,26,33,40-hexaamino-3,10,17,24,31,38-hexamethyl [1.6](1,5)pyrimidiniophane} Roger E. Cramer, Kathryn A. Mitchell, Anne Y. Hirazumi and Susan L. Smith, pp 563 DOI:10.1039/DT9940000563

Decomposition of chemically and electrochemically generated nickel(III) complexes with N2O2 Schiff-base ligands Baltazar de Castro, Cristina Freire and Eulália Pereira, pp 571 DOI:10.1039/DT9940000571

Preparation of urethane and urea derivatives of (NPCl2)3. Crystal structure of a spirocyclic phosphazene with a phosphacyanuric loop Adri A. van der Huizen, Pieter L. Buwalda, Theo Wilting, Harm Pol, Andries P. Jekel, Auke Meetsma and Johan C. van de Grampel, pp 577 DOI:10.1039/DT9940000577

Stereoselective photosensitized decomposition of tris(oxalato)cobaltate(III) and tris(acetylacetonato)cobalt(III) by tris(2,2-bipyridine)ruthenium(II) Masako Kato, Tomoko Sasagawa, Yuri Ishihara, Saho Yamada, Satoko Fujitani and Masaru Kimura, pp 583 DOI:10.1039/DT9940000583

Kinetics and mechanism of ruthenium(III) catalysed oxidation of formic acid by cerium(IV) in aqueous sulfuric acid media Asim K. Das and Mahua Das, pp 589 DOI:10.1039/DT9940000589

Crystal and molecular structure and spectra of K4[Ni(NO2)6]·H2O and K3[Ni(NO2)4(O2N)] Ian E. Grey, Michael A. Hitchman, Graham L. Rowbottom, Nicola V. Y. Scarlett and Jenny Wilson, pp 595 DOI:10.1039/DT9940000595

Synthesis and structure of di- and tetra-copper(I) complexes bridged by pyridazine Masahiko Maekawa, Megumu Munakata, Takayoshi Kuroda-Sowa and Youichi Nozaka, pp 603 DOI:10.1039/DT9940000603

The influence of the ring substituent, R, on the substitution of carbonyl groups by phosphine ligands in [Co2{µ-PPh2CHCRC(O)}(µ-PPh2)(CO)4](R = H, Ph or SiMe3) Andrew J. M. Caffyn, Avelino Martín, Martin J. Mays, Paul R. Raithby and Gregory A. Solan, pp 609 DOI:10.1039/DT9940000609

Additions and corrections Guang Quing Li, Charles A. McAuliffe, Anthony G. Mackie, Philomena P. Mac Rory and Peter T. Ndifon, pp 619 DOI:10.1039/DT9940000619

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX015

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP029

Disulfur-bridged complexes of molybdenum. Crystal structure of the dimolbdenum(IV) complex [{MoCl3(C4H8S)}2(µ-S2)(µ-C4H8S)] and of the MoIVMoV complex [(Me2S)2Cl2Mo({µ-S2)(µ-S)MoCl3(SMe2)] David L. Hughes, Janette D. Lane, Raymond L. Richards and Caroline Shortman, pp 621 DOI:10.1039/DT9940000621

Platinum thioether macrocyclic chemistry: synthesis and electrochemistry of [PtL][PF6]2(L =[12]-, [14]- or [16]-aneS4) and [Pt2([28]aneS8)][PF6]4. Crystal structure of [Pt([12]aneS4)][PF6]2·MeCN Alexander J. Blake, Alan J. Holder, Gillian Reid and Martin Schröder, pp 627 DOI:10.1039/DT9940000627

Solid-state structure of sulfur bis(trimethylsilylimide), S(NSiMe3)2, and multinuclear magnetic resonance studies of some sulfur bis(silylimides) in solution Max Herberhold, Silke Gerstmann, Bernd Wrackmeyer and Horst Borrmann, pp 633 DOI:10.1039/DT9940000633

Synthesis, protonation and co-ordination abilities of the open-chain polyamine 4,8,11,15-tetraazaoctadecane-1,18-diamine Juan A. Aguilar, Antonio Bianchi, Enrique García-España, Santiago V. Luis, José M. Llinares, José A. Ramírez and Conxa Soriano, pp 637 DOI:10.1039/DT9940000637

Complexes containing ferrocenyl groups as redox spectators; synthesis, molecular structure and co-ordination behaviour of 4-ferrocenyl-2,2:6,2-terpyridine Edwin C. Constable, Andrew J. Edwards, Ramón Martínez-Máñez, Paul R. Raithby and Alexander M. W. Cargill Thompson, pp 645 DOI:10.1039/DT9940000645

Highly stereospecific carbene insertions into platinum-halide bonds. Crystal structure of [PtCl(S-CHClSiMe3)(S,S-Ph2PCHMeCH2CHMePPh2)] Paola Bergamini, Emiliana Costa, A. Guy Orpen, Christian Ganter and Paul G. Pringle, pp 651 DOI:10.1039/DT9940000651

New ansa-metallocenes of the Group 4 transition metals as homogeneous catalysts for the polymerization of propene and styrene Malcolm L. H. Green and Nobuhide Ishihara, pp 657 DOI:10.1039/DT9940000657

The reaction of nitrogen with dilute solutions of barium in liquid lithium: electrical resistivity, X-ray phase analysis, kinetic and thermal analysis studies Peter Hubberstey and Peter G. Roberts, pp 667 DOI:10.1039/DT9940000667

Rate constants for intramolecular electron-transfer reactions of ruthenium-modified histidine mutants of cytochrome b2 Emma Lloyd, Karen Chapman, Stephen K. Chapman, Zhi-Shen Jia, Meng-Chay Lim, Nicholas P. Tomkinson, G. Arthur Salmon and A. Geoffrey Sykes, pp 675 DOI:10.1039/DT9940000675

Redox reactivity of the binuclear iron active site of porcine purple acid phosphatase (uteroferrin) Manuel A. S. Aquino and A. Geoffrey Sykes, pp 683 DOI:10.1039/DT9940000683

Structures of the yttrium complexes of 1,4,7,10-tetraazacyclododecane-N,N,N,N-tetraacetic acid (H4dota) and N,N-bis(benzylcarbamoylmethyl)diethylenetriamine-N,N,N-triacetic acid and the solution structure of a zirconium complex of H4dota David Parker, Kanthi Pulukkody, Fiona C. Smith, Andrei Batsanov and Judith A. K. Howard, pp 689 DOI:10.1039/DT9940000689

Electrochemical behaviour of cobalt(I) hydrides Salvatore Daniele, Gian Antonio Mazzocchin, Paolo Ugo, Gabriele Albertin, Stefano Antoniutti and Emilio Bordignon, pp 695 DOI:10.1039/DT9940000695

Ligand substitution reactions in new square-planar iridium, rhodium and platinum complexes containing a potentially terdentate C,N,N ligand system; crystal structure of [Ir{C6H4CH2N(Me)CH2CH2NMe2-2-C,N,N}(cod)](cod = cycloocta-1,5-diene) Ingrid C. M. Wehman-Ooyevaar, G. Marc Kapteijn, David M. Grove, Wilberth J. J. Smeets, Anthony L. Spek and Gerard van Koten, pp 703 DOI:10.1039/DT9940000703

Some chemistry with a chiral phosphine generated from fenchone-pinacolone mixed azine: crystal structure of Z,E-Ph2PCH2C(But)N-NC10H16 Sarath D. Perera, Bernard L. Shaw and Mark Thornton-Pett, pp 713 DOI:10.1039/DT9940000713

Conformational study of the macrocycle 1,4,7-trithiacyclononane in metal complexes Joanne Beech, Peter J. Cragg and Michael G. B. Drew, pp 719 DOI:10.1039/DT9940000719

Acid-base equilibria of co-ordinated ligands. Part 1. The effect of basicity of co-ordinated nitrogen donors upon the acidity of chelating 8-aminoquinoline in some dicationic platinum(II) complexes Giuliano Annibale, Lucio Cattalini and Francesca Guidi, pp 731 DOI:10.1039/DT9940000731

Influences of the substituents at the iminic carbon atoms (hydrogen versus methyl) upon the properties of ferrocenylimines and their cyclopalladated derivatives Ramón Bosque, Concepción López, Joaquim Sales, Xavier Solans and Mercè Font-Bardía, pp 735 DOI:10.1039/DT9940000735

Electronic conjugation pathways in ferrocenyl Schiff bases Ramon Bosque, Mercè Font-Bardía, Concepción López, Joaquim Sales, Jack Silver and Xavier Solans, pp 747 DOI:10.1039/DT9940000747

The synthesis and crystal structure of [K(18-crown-6)]+[NCS·SO2]-(18-crown-6 = 1,4,7,10,13,16-hexaoxacyclooctadecane) Anthony J. Downs, Alison J. Edwards, Rupert E. Martin and Simon Parsons, pp 753 DOI:10.1039/DT9940000753

Dicarbadodecaborane rearrangements: an appraisal of rotational mechanisms Yvonne V. Roberts and Brian F. G. Johnson, pp 759 DOI:10.1039/DT9940000759

Preparation and reactions of [MoH(3-C4H7)(Ph2PCH2CH2PPh2-2P)(Ph2PCH2CH2PPh2-P)]: the intramolecular interconversion between 3-2-methylallyl and 4-trimethylenemethane ligands Richard A. Henderson and Kay E. Oglieve, pp 767 DOI:10.1039/DT9940000767

Electrochemical synthesis and structural characterization of bis(triphenylphosphine)copper(I) fluoroacetates Robert D. Hart, Peter C. Healy, Gregory A. Hope, Duncan W. Turner and Allan H. White, pp 773 DOI:10.1039/DT9940000773

Dalton communication. New diiridium(I) and diiridium(I,III) complexes containing thiolate ligands. Crystal structures of [(cod)Cl(SC6F5)Ir(µ-SC6F5)2Ir(cod)] and [{Ir(µ-SC6F5)(CO)2}2](cod = cycloocta-1,5-diene) Isabel Fonseca, Elisa Hernández, Juliana Sanz-Aparicio, Pilar Terreros and Hugo Torrens, pp 781 DOI:10.1039/DT9940000781

Synthesis and crystal structure of trans-bis(N,N-dibutyl-N-naphthoylthioureato) platinum(II). First example of trans chelation of N,N-dialkyl-N-acylthiourea ligands Klaus R. Koch, Judith du Toit, Mino R. Caira and Cheryl Sacht, pp 785 DOI:10.1039/DT9940000785

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viid

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX019

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP035

Rhodium complexes containing substituted hydrazines Craig J. Davies, Ian M. Dodd, Marjorie M. Harding, Brian T. Heaton, Chacko Jacob and Jayakauri Ratnam, pp 787 DOI:10.1039/DT9940000787

Selection of metal ions by geometric isomers of a polyamine macrocycle with pendant donors Peter G. Lye, Geoffrey A. Lawrance, Marcel Maeder, Brian W. Skelton, Huo Wen and Allan H. White, pp 793 DOI:10.1039/DT9940000793

Electrochemical control of bridging ligand conformation in a binuclear complex-A possible basis for a molecular switch Laurent F. Joulié, Erik Schatz, Michael D. Ward, Frank Weber and Lesley J. Yellowlees, pp 799 DOI:10.1039/DT9940000799

On the mechanism of a model quercetinase reaction using a cobalt Schiff-base complex Akira Nishinaga, Tomoyoshi Kuwashige, Toshihiko Tsutsui, Takahiro Mashino and Kazushige Maruyama, pp 805 DOI:10.1039/DT9940000805

Complexes of aminophosphonates. Part 8. Copper(II) complexes of N-(phosphonomethyl)amino acids and related compounds Malgorzata Jezowska-Bojczuk, Tamas Kiss, Henryk Kozowski, Patrick Decock and Jozef Barycki, pp 811 DOI:10.1039/DT9940000811

Reactivity of acetone oxime towards oxomolybdenum(VI) complexes. Part 1. Syntheses and crystal structures of tetranuclear molybdenum(VI) complexes Anna Proust, Pierre Gouzerh and Francis Robert, pp 819 DOI:10.1039/DT9940000819

Reactivity of acetone oxime towards oxomolybdenum(VI) complexes. Part 2. Syntheses, crystal structures and reactivity of molybdenum nitrosyl complexes Anna Proust, Pierre Gouzerh and Francis Robert, pp 825 DOI:10.1039/DT9940000825

Photo-oxidation of [V(CO)6] in low-temperature matrices containing O2: formation of a novel superoxovanadium species Matthew J. Almond and Richard W. Atkins, pp 835 DOI:10.1039/DT9940000835

Oxidation of thioglycolic acid and glutathione by (trans-cyclohexane-1,2-diamine-N,N,N,N-tetraacetato)manganate(III) in aqueous media Sumana Gangopadhyay, Mahammad Ali, Amitava Dutta and Pradyot Banerjee, pp 841 DOI:10.1039/DT9940000841

Reactions of the hexachlorocyclodiphosphazane [MeNPCl3]2 with primary aromatic amines: formation of highly basic bisphosphinimines Ramaswamy Murugavel, Santhanathan S. Kumaravel, Setharampattu S. Krishnamurthy, Munirathinam Nethaji and Jayaraman Chandrasekhar, pp 847 DOI:10.1039/DT9940000847

Synthesis, characterization and structure of the highly sterically congested complex (3,14-dimethyl-14-nitromethyl-2,6,13,17-tetraazatricyclo[16.4.0.07.12]docos-2-ene)nickel diperchlorate and structure of (3,14-dimethyl-2,6,13,17-tetraazatricyclo[16.4.0.07.12]docosa-2,13-diene)nickel diperchlorate Shin-Geol Kang, Mi-Seon Kim, Dongmok Whang and Kimoon Kim, pp 853 DOI:10.1039/DT9940000853

Synthesis, X-ray characterisation and spectroscopic studies of metal complexes of N,N-1,2-xylene-,-diylbis(pyridin-2-one) David M. L. Goodgame, Stuart P. W. Hill, Amanda M. Smith and David J. Williams, pp 859 DOI:10.1039/DT9940000859

-Cyclopentadienyltungsten compounds with vinyl- and allyl-phosphine ligands Xavier Morise, Malcolm L. H. Green, Patrick C. McGowan and Stephen J. Simpson, pp 871 DOI:10.1039/DT9940000871

Influence of the length of the quaternisation group on the cyclometallation of [M(2,4-R-bipy)Cl3](M = PtII or PdII; 2,4-R-bipy = 1-alkyl-2,4-bipyridinium) Smita Wimmer and Franz L. Wimmer, pp 879 DOI:10.1039/DT9940000879

Synthesis and characterization by fast atom bombardment and electrospray mass spectrometry of new copper(I) complexes with substituted 1,4,5,8,9,12-hexaazatriphenylenes and macrocycles Cécile Moucheron, Christiane O. Dietrich-Buchecker, Jean-Pierre Sauvage and Alain van Dorsselaer, pp 885 DOI:10.1039/DT9940000885

Electrochemical oxidation of diaquaruthenium(II) complexes of quaterpyridines and crystal structure of [RuL1(PPh3)2][ClO4]2(L1= 3,5,5,5-tetramethyl-2,2: 6,2: 6,2-quaterpyridine) Chin-Wing Chan, Ting-Fong Lai and Chi-Ming Che, pp 895 DOI:10.1039/DT9940000895

Anisotropic magnetic exchange observed by electron spin resonance in hexaammineruthenium(III) chloride sulfate trihydrate Philip A. Reynolds, Lutz M. Engelhardt and Alexander N. Sobolev, pp 901 DOI:10.1039/DT9940000901

Isodiazene complexes: synthesis and molecular structures of 2,2,6,6-tetramethylpiperid-1-ylisodiazene complexes of tungsten(IV) and of rhenium-(III) and -(II) Andreas A. Danopoulos, Geoffrey Wilkinson and David J. Williams, pp 907 DOI:10.1039/DT9940000907

New multihydride complexes of rhenium containing diphosphine ligands: low-temperature protonation of [ReH7(Ph2PCHCHPPh2-PP)] Xavier L. R. Fontaine, Timothy P. Layzell and Bernard L. Shaw, pp 917 DOI:10.1039/DT9940000917

Ruthenium carbonyl cluster complexes with oxygen ligands. Part 2. Auration of a hexaruthenium raft cluster; crystal structures of [Ru6(µ3-H)(µ-H)(µ-O:µ-C:6-OC6H3OMe-4)(CO)16] and [AuRu6(µ3-H)(µ-O:µ-C:6-OC6H3OMe-4)(CO)16(PPh3)] Marie P. Cifuentes, Tyrone P. Jeynes, Mark G. Humphrey, Brian W. Skelton and Allan H. White, pp 925 DOI:10.1039/DT9940000925

CaM2(PO4)2(HPO4)(M = Fe or V): phosphates containing dimers of edge-sharing MO6 octahedra Kwang-Hwa Lii, pp 931 DOI:10.1039/DT9940000931

Hindered rotation along carbon-nitrogen bonds. The effect of carbonyliron in complexes of 7-azanorbornadiene derivatives Tahsin J. Chow, Jiunn-Jye Hwang, Yuh-Sheng Wen and Su-Ching Lin, pp 937 DOI:10.1039/DT9940000937

Structure and reactivity of aryl(bromo)nickel complexes relevant to nickel(0) complex-promoted dehalogenative polycondensation of organic dihalides Yong-Joo Kim, Rei Sato, Tsukasa Maruyama, Kohtaro Osakada and Takakazu Yamamoto, pp 943 DOI:10.1039/DT9940000943

Dalton communication. Intramolecular nucleophilic addition of the oxygen of a nitro ligand onto the cis olefin in cationic complexes of platinum(II) Francesco P. Fanizzi, Luciana Maresca, Giovanni Natile and Concetta Pacifico, pp 949 DOI:10.1039/DT9940000949

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viie

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX023

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP041

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP043

The kinetics of the reaction of [Ru(Cl)H(PPh3)3] with various olefins Guiseppe Alibrandi and Brian E. Mann, pp 951 DOI:10.1039/DT9940000951

Syntheses and characterization of polynuclear metal complexes related to a chemical precursor system for the YBa2Cu3O7-x superconductor Suning Wang, Zhen Pang, Karen D. L. Smith and Michael J. Wagner, pp 955 DOI:10.1039/DT9940000955

Control of the stereochemistry of four-co-ordinate copper(II) complexes by pyridinecarboxamide ligands: crystal structure, spectral and redox properties Manabendra Ray, Rabindranath Mukherjee, John F. Richardson, Mark S. Mashuta and Robert M. Buchanan, pp 965 DOI:10.1039/DT9940000965

Synthesis and structure of a series of unique cobalt phosphides Peter G. Edwards, Paul W. Read, Michael B. Hursthouse and K. M. Abdul Malik, pp 971 DOI:10.1039/DT9940000971

Synthesis and characterisation of zirconium complexes with the diphosphinophosphide ligands -P(CH2CH2PR2)2(R = Me or Et); crystal structure of bis[bis(2-dimethylphosphinoethyl)phosphido]pentachlorohydridodizirconium(IV) Andreas A. Danopoulos, Peter G. Edwards, Mary Harman, Michael B. Hursthouse and Julian S. Parry, pp 977 DOI:10.1039/DT9940000977

Co-ordination behaviour of potentially tridentate diphosphinoamido ligands: synthesis and crystal structures of the complexes [CrCl{N(CH2CH2PMe2)2}2], [Cr2Cl3{N(CH2CH2PMe2)2}{CH2P(Me)CH2CH2NCH2CH2PMe2}] and [Cr2Cl4{N(CH2CH2PPri2)2}2] Abdul-R. H. Al-Soudani, Andrei S. Batsanov, Peter G. Edwards and Judith A. K. Howard, pp 987 DOI:10.1039/DT9940000987

Simple preparations of new monomeric trihalogenophosphine imides Neil Burford, Jason A. C. Clyburne, Derek P. Gates, Melbourne J. Schriver and John F. Richardson, pp 997 DOI:10.1039/DT9940000997

Crystal and molecular structure of [SnLCl3]. The single-crystal electron paramagnetic resonance spectra of [MoE(L)Cl2] and [MoO(L)(NCS)2] diluted in [SnLCl3][E = O or S; L = tris(3,5-dimethylpyrazolyl)hydroborate] David Collison, David R. Eardley, Frank E. Mabbs, Keith Rigby, Michael A. Bruck, John H. Enemark and Pamela A. Wexler, pp 1003 DOI:10.1039/DT9940001003

Synthesis and characterisation of penta- and hexa-platinum cluster compounds Jane L. Haggitt and D. Michael P. Mingos, pp 1013 DOI:10.1039/DT9940001013

Rate law for the linearisation of the incomplete cuboidal Fe3S4+ active site in aconitase at high pH Hua-Yun Zhuang and A. Geoffrey Sykes, pp 1025 DOI:10.1039/DT9940001025

Clathrate compounds of cadmium cyanide and related hosts with cristobalite-like lattice structures Takafumi Kitazawa, Shin-ichi Nishikiori, Reiko Kuroda and Toschitake Iwamoto, pp 1029 DOI:10.1039/DT9940001029

Non-oxo chemistry of manganese in high oxidation states. Part 1. Mononuclear tert-butylimido compounds of manganese-(VII) and -(VI) Andreas A. Danopoulos, Geoffrey Wilkinson, Tracy K. N. Sweet and Michael B. Hursthouse, pp 1037 DOI:10.1039/DT9940001037

An amphiphilic trinuclear cobalt cluster-containing molecular unit: synthesis, characterization and Langmuir-Blodgett films Robert Deschenaux, Claudio Masoni, Helen Stoeckli-Evans, Sebastien Voucher, Jürgen Ketterer, Rolf Steiger and (the late) Albrecht L. Weisenhorn, pp 1051 DOI:10.1039/DT9940001051

Aqueous molybdotungstates Ingegärd Andersson, Jeremy J. Hastings, Oliver W. Howarth and Lage Pettersson, pp 1061 DOI:10.1039/DT9940001061

Synthesis and characterisation of osmium carbonyl fluorides Stuart A. Brewer, John H. Holloway and Eric G. Hope, pp 1067 DOI:10.1039/DT9940001067

Efficient stereochemical regulation of octahedral cobalt(III) complexes by a chiral bidentate ligand. Part 1. Effect of N-alkyl substitutions Morio Yashiro, Takashi Murata, Sadao Yoshikawa and Shigenobu Yano, pp 1073 DOI:10.1039/DT9940001073

Fluxional rhenium(I) tricarbonyl halide complexes of pyrazolylpyridine ligands. A detailed nuclear magnetic resonance investigation Edward W. Abel, Kevin A. Hylands, Matthew D. Olsen, Keith G. Orrell, Anthony G. Osborne, Vladimir ik and Gary N. Ward, pp 1079 DOI:10.1039/DT9940001079

Co-ordination of solvent molecules to square-planar mixed-ligand nickel(II) complexes: a thermodynamic and quantum-mechanical study Wolfgang Linert and Ali Taha, pp 1091 DOI:10.1039/DT9940001091

Dinuclear manganese(II) complexes of unsymmetric phenol-based dinucleating ligands with amino and imino chelating arms: synthesis, structure and catalase-like activity Chikako Higuchi, Hiroshi Sakiyama, Hisashi kawa, Ryuichi Isobe and David E. Fenton, pp 1097 DOI:10.1039/DT9940001097

Bis(cyclopentadienyl) clusters of ruthenium: the synthesis, characterisation and molecular structures of [Ru5C(CO)10(5-C5H5)2] and [Ru6C(CO)12(5-C5H5)2] Alexander J. Blake, Paul J. Dyson, Rosslyn C. Gash, Brian F. G. Johnson and Peter Trickey, pp 1105 DOI:10.1039/DT9940001105

Reactions of the pentanuclear mixed-metal cluster compound [Ru4RhC(CO)12(5-C5Me5)]. Synthesis, characterisation and crystal structure of the pentanuclear derivative [Ru4RhC(CO)11H(5-C5Me5)I] Trushar Adatia, Hilary Curtis, Brian F. G. Johnson, Jack Lewis, Mary McPartlin and Jill Morris, pp 1109 DOI:10.1039/DT9940001109

4,6-Dimethylpyrimidine-2-thionato (dmpymt-) complexes of nickel(II) and cadmium(II). Crystal structure of [Cd(dmpymt)2]: a compound with a calixarene-like structure Rosa Castro, Jose A. García-Vázquez, Jaime Romero, Antonio Sousa, Robin Pritchard and Charles A. McAuliffe, pp 1115 DOI:10.1039/DT9940001115

Single-crystal low-temperature magnetisation studies of Cs2K[Mn(CN)6] Antony B. Blake, Brian N. Figgis, Philip A. Reynolds, Lutz M. Engelhardt, Boujemaa Moubaraki and Keith S. Murray, pp 1121 DOI:10.1039/DT9940001121

Influence of alkali- and alkaline-earth-metal cations on the salt-induced peptide formation reaction Artur H. Eder and Bernd M. Rode, pp 1125 DOI:10.1039/DT9940001125

Reactions of diphosphazane-bridged derivatives of diruthenium nonacarbonyl with metal-containing electrophiles: formation of solvento species [Ru2(CO)5(solv){µ-(RO)2PN(Et)P(OR)2}2]2+(R = Me or Pri) and their reactivity towards various nucleophiles Dennis W. Engel, John S. Field, Raymond J. Haines, Ute Honrath, Edgar C. Horsfield, Jörg Sundermeyer and Stephen F. Woollam, pp 1131 DOI:10.1039/DT9940001131

Mechanism of nucleophilic attack by diethylamine on cationic palladium(II) allyl complexes containing -diimine ligands Bruno Crociani, Simonetta Antonaroli, Francesca Di Bianca, Luciano Canovese, Fabiano Visentin and Paolo Uguagliati, pp 1145 DOI:10.1039/DT9940001145

From synthesis to chemical reactivity of supported d0 complexes. Part 1. An in situ infrared spectroscopic study of silica-anchored zirconium hydrides Françoise Quignard, Christine Lécuyer, Agnès Choplin and Jean-Marie Basset, pp 1153 DOI:10.1039/DT9940001153

Dalton communications. The crystal structure of NaBa, an interpenetrating network of sodium tetrahedra and barium octahedra G. Jeffrey Snyder and Arndt Simon, pp 1159 DOI:10.1039/DT9940001159

Arenediazonium ion insertion into an iron-phosphine bond; synthesis and crystal structure of [Fe(NO)2{PPh2CH2CH2P(Ph)2NN(C6H4F-p)}][PF6]·OC4H8 Francis L. Atkinson, Neil G. Connelly, John G. Crossley and A. Guy Orpen, pp 1161 DOI:10.1039/DT9940001161

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viif

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX027

Issue 8

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP049

Syntheses of dinuclear gold(I) ring complexes containing two different bridging ligands. Crystal structure of [Au2{µ-(CH2)2PPh2}(µ-S2CNEt2)] Manuel Bardají, Neil G. Connelly, M. Concepción Gimeno, Josefina Jiménez, Peter G. Jones, Antonio Laguna and Mariano Laguna, pp 1163 DOI:10.1039/DT9940001163

Isolation and crystal structure of a dimeric oxomolybdenum(V) complex containing two ethoxy bridges and one ethanol bridge Christian Limberg, Simon Parsons, Anthony J. Downs and David J. Watkin, pp 1169 DOI:10.1039/DT9940001169

2,2-Bipyrimidine (bipym)-bridged dinuclear complexes. Part 4. Synthesis, crystal structure and magnetic properties of [CO2(H2O)8(bipym)][NO3]4, [CO2(H2O)8(bipym)][SO4]2·2H2O and [CO2(bipym)3(NCS)4] Giovanni De Munno, Miguel Julve, Francesc Lloret, Juan Faus and Andréa Caneschi, pp 1175 DOI:10.1039/DT9940001175

Complexes of lanthanide ions with a Schiff-base macrocyclic ligand derived from 2,6-diformylpyridine Raquel Bandín, Rufina Bastida, Andrés de Blas, Pilar Castro, David E. Fenton, Alejandro Macías, Adolfo Rodríguez and Teresa Rodríguez, pp 1185 DOI:10.1039/DT9940001185

Iron(III) complexes of lactobionic acid: equilibrium and structural studies in aqueous solution Graciela M. Escandar, Alejandro C. Olivieri, Manuel González-Sierra and Luis F. Sala, pp 1189 DOI:10.1039/DT9940001189

Alkene complexes of ruthenium(0): crystal structures, isomerism and fluxionality Madeleine Helliwell, Jonathan D. Vessey and Roger J. Mawby, pp 1193 DOI:10.1039/DT9940001193

Synthesis and characterization of methylplatinum(II)O,O-dialkyl dithiophosphates. Crystal structure of [PtMe{S2P(OPri)2}(AsPh3)] Vimal K. Jain, Satyajeet Chaudhury, Anima Vyas and Rakesh Bohra, pp 1207 DOI:10.1039/DT9940001207

Synthesis, properties and crystal structures of benzene-1,2-dithiolato complexes of antimony-(III) and -(V) Joachim Wegener, Kristin Kirschbaum and Dean M. Giolando, pp 1213 DOI:10.1039/DT9940001213

Copper(II) complexes of novel tripodal ligands containing phenolate and benzimidazole/pyridine pendants: synthesis, structure, spectra and electrochemical behaviour Rajendran Uma, Rathinam Viswanathan, Mallayan Palaniandavar and M. Lakshminarayanan, pp 1219 DOI:10.1039/DT9940001219

Co-ordination properties of cyclopeptides. Formation and stability of zinc(II) and copper(II) complexes of histidine-containing cyclopeptides, or imidazole Giuseppe Arena, Giuseppe Impellizzeri, Giuseppe Maccarrone, Giuseppe Pappalardo and Enrico Rizzarelli, pp 1227 DOI:10.1039/DT9940001227

Electrochemical, electron spin resonance and nuclear magnetic resonance investigations of tertiary phosphine complexes of nickel. Part 2. [NiIL4]+, [NiI(L-L)2]+ and their precursors (L = monodentate phosphine, L-L = bidentate diphosphine) Graham A. Bowmaker and Julian P. Williams, pp 1231 DOI:10.1039/DT9940001231

Different co-ordination behaviour of 1,2-diaminoethane (en) and tetracyanonickelate(II) upon accommodation of polar guest molecules in their metal complex hosts: crystal structures of [M(en)2Ni(CN)4]·2PhNH2(M = Ni, Cu, Zn or Cd) and [{Cd(en)}2(en){Ni(CN)4}2]·4PhOH Hidetaka Yuge and Toschitake Iwamoto, pp 1237 DOI:10.1039/DT9940001237

Transition metal-carbohydrate chemistry. Part 2. Homoleptic diacetoneglucose complexes of aluminium and Group 4 metals David N. Williams, Umberto Piarulli, Carlo Floriani, Angiola Chiesi-Villa and Corrado Rizzoli, pp 1243 DOI:10.1039/DT9940001243

Technetium diazenido-complexes. Part 2. Substitution chemistry of [TcCl(NNC6H4Cl-4)2(PPh3)2] and the synthesis of technetium diazenido-complexes directly from [NH4][TcO4] Jonathan R. Dilworth, Panna Jobanputra, Russell M. Thompson, David C. Povey, Colin M. Archer and J. Duncan Kelly, pp 1251 DOI:10.1039/DT9940001251

To what extent can the Pt-C bond of a metallacycle labilize the trans position? A temperature- and pressure-dependent mechanistic study Michael Schmülling, Alexander D. Ryabov and Rudi van Eldik, pp 1257 DOI:10.1039/DT9940001257

A mechanism for the rearrangement of unsymmetrical tetradentate (N2O2) ligands bound to manganese(III): the isolation and crystal structure of a manganese(III) complex containing a ten-membered cis-chelated ring Manuel R. Bermejo, Ana Garcia Deibe, Manuel Rey, Jesus Sanmartin, Antonio Sousa, Nadeem Aurangzeb, Charlotte E. Hulme, Charles A. McAuliffe, Robin G. Pritchard, Michael Watkinson and Madeleine Helliwell, pp 1265 DOI:10.1039/DT9940001265

Electron-gain and -loss centres in oxyanions containing S-S bonds: an electron spin resonance study Shuddhodan P. Mishra and Martyn C. R. Symons, pp 1271 DOI:10.1039/DT9940001271

Preparation and properties of the heterometallic cuboidal complex [Mo3CrS4(H2O)12]4+: comparisons with [Mo4S4(H2O)12]4+ Carol A. Routledge, Madalene Humanes, Yue-Jin Li and A. Geoffrey Sykes, pp 1275 DOI:10.1039/DT9940001275

Cleavage and reassembly of trinuclear palladium clusters in reactions with an isocyanide ligand Mehdi Rashidi, Jagadese J. Vittal and Richard J. Puddephatt, pp 1283 DOI:10.1039/DT9940001283

Synthesis of homo- and hetero-dinuclear complexes containing alkynyl bridges. Molecular structure of cis,trans-[(OC)(C6F5)2Pt(µ-2-CCPh)Pt(CCPh)(PPh3)2] Jesús R. Berenguer, Juan Forniés, Elena Lalinde, Fransisco Martínez, Esteban Urriolabeitia and Alan J. Welch, pp 1291 DOI:10.1039/DT9940001291

Synthesis and characterization of mononuclear nickel(II) and cobalt(II) complexes of 2,2,4,4-tetrakis(3,5-dimethylpyrazolyl)-6,6-diphenyl-25,45,65-cyclotriphosphaza-1,3,5-triene L: crystal structure of [NiLCl2] K. Rajapandian Justin Thomas, Paulmony Tharmaraj, Vadapalli Chandrasekhar and Edward R. T. Tiekink, pp 1301 DOI:10.1039/DT9940001301

New ruthenium(II) complexes of ,-diimines. Synthesis, electrochemical and optical spectral properties of mononuclear complexes containing aryl(2-pyridylmethylene)amine and 2,2-bipyridine ligands Subrata Choudhury, Alok K. Deb and Sreebrata Goswami, pp 1305 DOI:10.1039/DT9940001305

Acidification of [WS4]2-. Synthesis and structures of di-µ-sulfido-bis[(2,2-bipyridine)chlorooxotungsten(V)] and di-µ-sulfido-bis[(2,2-bipyridine)bromooxotungsten(V)] Corine Simonnet-Jegat, Ruben Alfredo Toscano, Francis Robert, Jean-Claude Daran and Francis Sécheresse, pp 1311 DOI:10.1039/DT9940001311

Polyhedral carbathiaborane chemistry. Ten-vertex nido and arachno, eleven-vertex nido, and eight-vertex hypho families of carbathiaboranes Josef Holub, John D. Kennedy, Tomá Jelínek and Bohumil tíbr, pp 1317 DOI:10.1039/DT9940001317

Dalton communications. New co-ordination mode of 4,5-dimercapto-1,3-dithiole-2-thionate(2-) in polynuclear gold(I) complexes. Crystal structures of [Au3(µ3-C3S5)(PPh3)3] ClO4 and [Au4(µ-C3S5)2(µ-Ph2PCH2PPh2)2] Elena Cerrada, Antonio Laguna, Mariano Laguna and Peter G. Jones, pp 1325 DOI:10.1039/DT9940001325

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viig

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX031

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP055

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9940000ixb

Synthetic and structural studies on bismuth(III) thiocyanate and selenocyanate complexes Alessandra Crispini, R. John Errington, George A. Fisher, Frank J. Funke, Nicholas C. Norman, A. Guy Orpen, Susan E. Stratford and Oliver Struve, pp 1327 DOI:10.1039/DT9940001327

Highly active homogeneous nickel catalysts for alkene dimerisation: crystal structure of [Ni(3-C3H5)(PPh3)Br] and in situ characterisation of AlEt3-activated [Ni(3-C3H5)(PPh3)Br] by nuclear magnetic resonance and extended X-ray absorption fine structure spectroscopy Paul Andrews, Judith M. Corker, John Evans and Michael Webster, pp 1337 DOI:10.1039/DT9940001337

Kinetics and mechanism of oxidation of nitrogen(III) by [ethylenebis(biguanide)]silver(III) cation and its conjugate bases in aqueous perchlorate media Subrata Mukhopadhyay and Rupendranath Banerjee, pp 1349 DOI:10.1039/DT9940001349

Kinetics and mechanism of complex-formation reactions of ammonia and methylamine with copper(II) complexes in aqueous solution István Fábián, pp 1355 DOI:10.1039/DT9940001355

Cyclic voltammetry and spectroelectrochemistry of rhodium phthalocyanines Tebello Nyokong, pp 1359 DOI:10.1039/DT9940001359

Hemes and hemoproteins. Part 10. Co-ordination of imidazole and other azoles by the iron(III) porphyrin microperoxidase-8 Mohamed S. A. Hamza and J. M. Pratt, pp 1367 DOI:10.1039/DT9940001367

The chemistry of vitamin B12. Part 29. Co-ordination of imidazoles and 1,2,4-triazole by aquacyanocobinamide Mohamed S. A. Hamza and John M. Pratt, pp 1373 DOI:10.1039/DT9940001373

The chemistry of vitamin B12. Part 30. Co-ordination of amines, pyridines and diazines by aquacyanocobinamide; nitrogen-containing bases as probes for basicity and other effects in metal-ligand bonding Mohamed S. A. Hamza and John M. Pratt, pp 1377 DOI:10.1039/DT9940001377

Interaction of environmentally important metal ions with nitrogen-sulfur-donor macrocycles. The crystal structures of seven-co-ordinate lead(II) and mercury(II) complexes of an 18-membered N4S2 macrocycle Alan Bashall, Mary McPartlin, Brian P. Murphy, Harry R. Powell and Smruti Waikar, pp 1383 DOI:10.1039/DT9940001383

A theoretical investigation of the bonding of early transition metals to tellurium Nikolas Kaltsoyannis, pp 1391 DOI:10.1039/DT9940001391

Six- and seven-co-ordinate complexes of molybdenum(II) and tungsten(II) with thioether ligands. Crystal structures of [WI2(CO)3{4-MeC6H4S(CH2)2SC6H4Me-4}] and [WI2(CO)2{MeS(CH2)2S(CH2)2SMe-S,S,S}] Paul K. Baker, Sharman D. Harris, Marcus C. Durrant, David L. Hughes and Raymond L. Richards, pp 1401 DOI:10.1039/DT9940001401

Pendant-functionalised ligands for metallosupramolecular assemblies; ruthenium(II) and osmium(II) complexes of 4-(4-pyridy1)-2,2 : 6,2-terpyridine Edwin C. Constable and Alexander M. W. Cargill Thompson, pp 1409 DOI:10.1039/DT9940001409

Octakis(alkylthio)-substituted phthalocyanines and their interactions with silver(I) and palladium(II) ions AyE Gül Gürek and Özer Bekarolu, pp 1419 DOI:10.1039/DT9940001419

Crystal structures and magnetic behaviour of the two forms of tetra-n-butylammonium tetraisothiocyanatochromate(II) Leslie F. Larkworthy, Gordon A. Leonard, David C. Povey, Santokh S. Tandon, B. Joly Tucker and Gallienus W. Smith, pp 1425 DOI:10.1039/DT9940001425

Charge density in [Ru(ND3)6][SCN]3 by X-ray diffraction at 92 K Brian N. Figgis, Philip A. Reynolds and Alexander N. Sobolev, pp 1429 DOI:10.1039/DT9940001429

Kinetics and mechanism for the redox reaction between hexaaquathallium(III) and sulfur dioxide in acidic aqueous solution Johan Berglund, Pia Werndrup and Lars I. Elding, pp 1435 DOI:10.1039/DT9940001435

Raman spectra and isomerism of some bromophenylphosphoranes PhnPBr5-n(1 ?n? 3) and their salts Mohammad A. H. A. Al-Juboori, Peter N. Gates and Alan S. Muir, pp 1441 DOI:10.1039/DT9940001441

Chiral cyclopentadienyl catalysts. Part 3. Synthesis and reactions of (S)-1-(1-dimethylaminoethyl)-2-(2,3,4,5-tetramethylcyclopenta-1,3-dienyl)benzene; crystal structure of [Rh{5-C5Me4C6H4CH(Me)NMe2}Cl2] Harry Adams, Neil A. Bailey, Martin Colley, Peter A. Schofield and Colin White, pp 1445 DOI:10.1039/DT9940001445

Synthesis and characterization of neutral technetium(III) complexes with mixed S,P-bidentate phosphine-thiolate ligands. Crystal structure of [Tc(SCH2CH2PPh2)2(SCH2CH2PPh2O)] Franceso Tisato, Fiorenzo Refosco, Giuliano Bandoli, Cristina Bolzati and Anna Moresco, pp 1453 DOI:10.1039/DT9940001453

Nickel thioether chemistry: syntheses and crystal structures of [Ni2L2(µ-Cl)2][BF4]2(l = 1,4,7,10-tetrathiacyclododecane, 1,4,8,11-tetrathiacyclotetradecane or 1,5,9,13-tetrathiacyclohexadecane) Alexander J. Blake, Malcolm A. Halcrow and Martin Schröder, pp 1463 DOI:10.1039/DT9940001463

Dicopper cryptates with 1,1 and 1,3 bridging ligands: spectroscopic, magnetic and electrochemical properties Qin Lu, Jean-Marc Latour, Charles J. Harding, Noreen Martin, Debbie J. Marrs, Vickie McKee and Jane Nelson, pp 1471 DOI:10.1039/DT9940001471

Dimeric antimony complexes capturing dimethylamine as a neutral donor; syntheses and structural characterisation of [SbCl2(NHMe2)(µ-OEt)]2 and [SbCl(NHMe2)(µ-NBut)]2 Andrew J. Edwards, Nicholas E. Leadbeater, Michael A. Paver, Paul R. Raithby, Christopher A. Russell and Dominic S. Wright, pp 1479 DOI:10.1039/DT9940001479

Synthesis, spectroscopic and structural studies of alkali metal-nickel periodates MNilO6(M = Na, K, Rb, Cs or NH4) David B. Currie, William Levason, Richard D. Oldroyd and Mark T. Weller, pp 1483 DOI:10.1039/DT9940001483

[Mo2(MeCN)8][BF4]4 supported on silica: an efficient heterogeneous catalyst for the ring-opening metathesis polymerization of norbornene Malachy McCann, Eoghan Mac Giolla Coda and Kenneth Maddock, pp 1489 DOI:10.1039/DT9940001489

Structure of copper complexes adsorbed on a silica gel surface chemically modified with benzimidazole Newton L. Dias Filho, Yoshitaka Gushikem, Edson Rodrigues, José C. Moreira and Wagner L. Polito, pp 1493 DOI:10.1039/DT9940001493

Delton communication. Facile isolation and crystal structure determination of trans-[PtCl(OH)(NH3)2]·H2O Jorma Arpalahti, Reijo Sillanpää and Marjaana Mikola, pp 1499 DOI:10.1039/DT9940001499

Synthesis, characterization and crystal structures of [Ir9H(CO)19]4- and [Ir10(CO)21]2- Roberto Della Pergola, Francesco Cea, Luigi Garlaschelli, Norberto Masciocchi and Mirella Sansoni, pp 1501 DOI:10.1039/DT9940001501

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX035

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX037

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP063

Aerobic photooxidation and C-C bond cleavage of the acetylacetonate ligand in (2-arylazo)arylpalladium(II) complexes induced by visible light José Vicente, Aurelia Arcas, Delia Bautista and Georgiy B. Shul'Pin, pp 1505 DOI:10.1039/DT9940001505

Efficient stereochemical regulation of octahedral cobalt(III) complexes by a chiral bidentate ligand. Part 2. Remarkable effect of the chelate-ring size in the stereoselective formation of sym-cis-(ethylenediamine-N,N-diacetato)(pentane-2,4-diamine)cobalt(III) Morio Yashiro, Takashi Murata, Mitsunobu Sato, Masao Kosaka, Kimiko Kobayashi, Tosio Sakurai, Sadao Yoshikawa, Makoto Komiyama and Shigenobu Yano, pp 1511 DOI:10.1039/DT9940001511

Dirhodium(II) complexes with bi- and tri-dentate nitrogen-containing ligands Sandra Lo Schiavo, Maria S. Sinicropi, Giuseppe Tresoldi, Carmela G. Arena and Pasquale Piraino, pp 1517 DOI:10.1039/DT9940001517

Spin-state equilibria in non-aqueous solution and quantum-mechanical investigations of iron(II) and nickel(II) complexes with 4-substituted 2,6-bis(benzimidazol-2-yl)pyridines Wolfgang Linert, Michael Konecny and Franz Renz, pp 1523 DOI:10.1039/DT9940001523

Synthesis, structure and electrochemistry of Ph2PCH2PPh2-bridged, heterometallic complexes containing a (-C5H4Me)Mn(CO)2 fragment Pierre Braunstein, Michael Knorr, Martin Strampfer, Yves Dusausoy, Daniel Bayeul, André DeCian, Jean Fischer and Piero Zanello, pp 1533 DOI:10.1039/DT9940001533

Synthesis and crystal structures of complexes of MnII, CuII and ZnII with the new bis(tridentate) chelate 2,3,5,6-tetrakis(aminomethyl)pyrazine Michel Ferigo, Pierre Bonhôte, (the late) Werner Marty and Helen Stoeckli-Evans, pp 1549 DOI:10.1039/DT9940001549

Syntheses and electrochemistry of [Mo(NO){HB(mppz)3}Cl(ER)](mppz = 3-p-methoxyphenylpyrazol-1-yl; E = O or NH; R = Ph or C6H4Me-2) and the crystal structures of [Mo(NO){HB(mppz)3}Cl(OPh)] and [Mo(NO){HB(mppz)3}Cl(NHC6H4Me-2)] Mercedes Cano, Jose V. Heras, Angeles Monge, Elena Pinilla, Christopher J. Jones and Jon A. McCleverty, pp 1555 DOI:10.1039/DT9940001555

Molecular structure of tetrakis(tert-butylimido)osmium(VIII), determined in the gas phase by electron diffraction David W. H. Rankin, Heather E. Robertson, Andreas A. Danopoulos, Paul D. Lyne, D. Michael P. Mingos and Geoffrey Wilkinson, pp 1563 DOI:10.1039/DT9940001563

Synthesis, structure and relative hydrolytic stability of cis-[PtCl2L] and cis-[W(CO)4L] where L is the bidentate triaminophosphine ligand [MeNCH2CH2N(Me)PN(Me)CH2]2 John Powell, Alan Lough and Michael Raso, pp 1571 DOI:10.1039/DT9940001571

RbFe(HPO4)2: an iron(III) phosphate with an intersecting tunnel structure Kwang-Hwa Lii and Liang-Shen Wu, pp 1577 DOI:10.1039/DT9940001577

Reaction of methylhydrazine with dimethyl chlorothiophosphate Przemyslaw Lusiak, Prahlad R. Singh and Kattesh V. Katti, pp 1581 DOI:10.1039/DT9940001581

Metallosupramolecular complexes containing ferrocenyl groups as redox spectators; synthesis and co-ordination behaviour of the helicand 4,4-bis(ferrocenyl)2,2 : 6,2 : 6,2 : 6,2?-quinquepyridine Edwin C. Constable, Ramón Martínez-Máñez, Alexander M. W. Cargill Thompson and Juliet V. Walker, pp 1585 DOI:10.1039/DT9940001585

Synthesis, electrochemical and magnetic properties of a series of new unsymmetrical macrocyclic binuclear copper(II) complexes Sambandhan Karunakaran and Muthuswamy Kandaswamy, pp 1595 DOI:10.1039/DT9940001595

Studies on organolanthanide complexes. Part 55. Synthesis of furan-bridged bis(cyclopentadienyl) lanthanide and yttrium chlorides, and ligand and metal tuning of reactivity of organolanthanide hydrides (in situ) Changtao Qian and Dunming Zhu, pp 1599 DOI:10.1039/DT9940001599

Delton communications. Synthesis and characterization of a palladium-osmium mixed-metal cluster; crystal structure of [Os6Pd(CO)18(bipy)]·CHCl3(bipy = 2,2-bipyridine) Suzanna Chan and Wing-Tak Wong, pp 1605 DOI:10.1039/DT9940001605

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viih

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX039

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX041

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP069

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400000va

Dalton perspectives. Structural and bonding patterns in tetrahedral and pseudo-tetrahedral transition-metal complexes containing -donor ligands Vernon C. Gibson, pp 1607 DOI:10.1039/DT9940001607

1,4,7-Triazacyclononane-1,4,7-triyltrimethylenetris-(phenylphosphinate) enforces octahedral geometry: crystal and solution structures of its metal complexes and comparative biodistribution studies of radiolabelled indium and gallium complexes Eleanor Cole, Royston C. B. Copley, Judith A. K. Howard, David Parker, George Ferguson, John F. Gallagher, Branko Kaitner, Alice Harrison and Louise Royle, pp 1619 DOI:10.1039/DT9940001619

Organometallic macrocyclic chemistry: synthesis of cationic half-sandwich iridium(I) complexes of 1,4,7-trithiacyclononane ([9]aneS3). Crystal structures of [Ir([9]aneS3)(C2H4)2]PF6, [Ir([9]aneS3)(C8H12)]PF6 and [Ir([9]aneS3)(C4H6)]PF6·0.5Et2O Alexander J. Blake, Malcolm A. Halcrow and Martin Schröder, pp 1631 DOI:10.1039/DT9940001631

Syntheses, crystal structures and properties of [PPh4]2[SbFe3H(CO)12] and [PPh4]2[AsFe3H(CO)12] Peter Henderson, Monica Rossignoli, Robert C. Burns, Marcia L. Scudder and Donald C. Craig, pp 1641 DOI:10.1039/DT9940001641

Spectral sensitization of large-band-gap semiconductors (thin films and ceramics) by a carboxylated bis(1,10-phenanthroline)copper(I) complex Nicolás Alonso-Vante, Jean-François Nierengarten and Jean-Pierre Sauvage, pp 1649 DOI:10.1039/DT9940001649

Chiral induction in the reduction of [Co(glyO)(ox)2]2- by [Co(phen)3]2+(glyO = glycinate, ox = oxalate, phen = 1,10-phenanthroline) Robert M. L. Warren, Akira Tatehata and A. Graham Lappin, pp 1655 DOI:10.1039/DT9940001655

Syntheses and electrochemistry of imidochromium(V) compounds. Crystal structure of [PPh4][Cr(NBut)Cl4(OH2)] Wa-Hung Leung, Man-Ching Wu, Kwok-Yin Wong and Yu Wang, pp 1659 DOI:10.1039/DT9940001659

Synthesis, fluxional behaviour in solution and crystal structure of the organolanthanide complexes [Ln(C5H4CH2CH2OMe)2(thf)][Co(CO)4](Ln = Sm or Yb, thf = tetrahydrofuran) Daoli Deng, Xiaofan Zheng, Changtao Qian, Jie Sun, Alain Dormond, Denise Baudry and Marc Visseaux, pp 1665 DOI:10.1039/DT9940001665

Alkyl, aryl, vinyl, alkynyl and carbene derivatives of cycloheptatrienylmolybdenum complexes Richard W. Grime and Mark W. Whiteley, pp 1671 DOI:10.1039/DT9940001671

Hydrothermal synthesis and structural characterization of the molybdenum(VI) arsenate (C5H5NH)2(Mo2O5)-(HAsO4)2·H2O Sue-Lein Wang, Kuei-Fang Hsu and Yeu-Perng Nieh, pp 1681 DOI:10.1039/DT9940001681

Mono- and bi-dentate phosphaalkene ligands: structures of their copper(I) chloride complexes Abdelaziz Jouaiti, Michel Geoffroy and Gérald Bernardinelli, pp 1685 DOI:10.1039/DT9940001685

Metal binding of polyalcohols. Part 2. (all-cis-1,3,5-Triaminocyclohexane)cobalt(III), a facially co-ordinating, diamagnetic probe exemplified by its complex formation with cis-inositol Lorenza Hausherr-Primo, Kaspar Hegetschweiler, Heinz Rüegger, Léon Odier, Robert D. Hancock, Helmut W. Schmalle and Volker Gramlich, pp 1689 DOI:10.1039/DT9940001689

Mössbauer spectroscopic investigations of metal incorporation within nasicon-related NbTiP3O12 Frank J. Berry, Ramon Gancedo, José F. Marco and Robert C. Thied, pp 1703 DOI:10.1039/DT9940001703

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX043

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX045

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP073

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400000vb

Photoelectrochemical dehalogenation: bis(cyclopentadienyl)-vanadium dichloride and -molybdenum dichloride Richard G. Compton, Jonathan Booth and John C. Eklund, pp 1711 DOI:10.1039/DT9940001711

Kinetics of substitution reactions of trans-[Mo(N2)2(PPh2Me)4] with tripodal phosphines M. Angeles Máñez, M. Jesús Fernández-Trujillo and Manuel G. Basallote, pp 1717 DOI:10.1039/DT9940001717

Molecular heterogeneous metathesis catalysts: an attempted synthesis of surface-anchored alkylidenetungsten complexes Regina Buffon, Michel Leconte, Agnès Choplin and Jean-Marie Basset, pp 1723 DOI:10.1039/DT9940001723

Synthesis and chemistry of 1,1-bis(3-indenyl)ethane; crystal structure of [{Ru(CO)2}2{5:5-CH3CH(C9H6)2}] Sandra Lo Schiavo, Corinne Renouard, Michael C. Simpson, Harry Adams, Neil A. Bailey and Colin White, pp 1731 DOI:10.1039/DT9940001731

Synthesis and structure of a charge-compensated ferracarborane, commo-[3,3-Fe{4-(Me2S)-1,2-C2B9H10}2], and its charge-transfer salt with 2,3-dichloro-5,6-dicyano-p-benzoquinone Yaw-Kai Yan, D. Michael P. Mingos, Thomas E. Müller, David J. Williams and Mohamedally Kurmoo, pp 1735 DOI:10.1039/DT9940001735

Neutral phosphine complexes of antimony(III) and bismuth(III) halides William Clegg, Mark R. J. Elsegood, Victoria Graham, Nicholas C. Norman, Nigel L. Pickett and Kayumars Tavakkoli, pp 1743 DOI:10.1039/DT9940001743

Anionic phosphine complexes of antimony(III) and bismuth(III) halogenoanions William Clegg, Mark R. J. Elsegood, Nicholas C. Norman and Nigel L. Pickett, pp 1753 DOI:10.1039/DT9940001753

Solid-state structures of triarylantimony dihalides; the isolation of some mixed-halide species and crystal structures of Ph3SbI2 and [Ph4Sb]I3 Neil Bricklebank, Stephen M. Godfrey, Helen P. Lane, Charles A. McAuliffe and Robin G. Pritchard, pp 1759 DOI:10.1039/DT9940001759

Synthesis and crystal structure of tris(diethyldithiocarbamato-S,S)(disulfido-S,S)niobium(V) Xue F. Yan, Bronwyn L. Fox, Edward R. T. Tiekink and Charles G. Young, pp 1765 DOI:10.1039/DT9940001765

Preparation of dithioformato, thioformamido and formamido derivatives of lron(II) Gabriele Albertin, Stefano Antoniutti, Elena Del Ministro and Emilio Bordignon, pp 1769 DOI:10.1039/DT9940001769

Reversible skeletal rearrangement in a carbido carbonyl cluster induced by ligand substitution. Synthesis and crystal structure of the anion [Rh12C2(CO)23(AuPPh3)]- Vincenzo G. Albano, Alessandro Fumagalli, Fabrizia Grepioni, Secondo Martinengo and Magda Monari, pp 1777 DOI:10.1039/DT9940001777

Diphenylacetylene complexes of tungsten containing -acceptor ligands George R. Clark, Alastair J. Nielson, A. David Rae and Clifton E. F. Rickard, pp 1783 DOI:10.1039/DT9940001783

Sterically hindered diphosphines (Ph2P)2CCHR (R = Me or Ph) and their derivatives Jonathan L. Bookham, Fosca Conti, H. Christina E. McFarlane, William McFlane and Mark Thornton-Pett, pp 1791 DOI:10.1039/DT9940001791

Controlled hydrolysis reactions of solvated [TiCln](4-n)+ species. Crystal and molecular structures of [Mg(MeCN)6][{TiCl4(MeCN)}2(µ-O)]·4MeCN and [{TiCl2(MeCN)2(µ-O)}4]·2MeCN Gerald R. Willey, Janet Palin and Michael G. B. Drew, pp 1799 DOI:10.1039/DT9940001799

Reactivity of neutral nitrogen donors in planar d8 metal complexes. Part 1. The system [1,2-bis(phenylsulfanyl)-ethane]dichloroplatinum(II) with pyridines in methanol. Effect of basicity and steric hindrance Marcello Bellicini, Lucio Cattalini, Giampaolo Marangoni and Bruno Pitteri, pp 1805 DOI:10.1039/DT9940001805

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX047

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP077

Issue 13

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX049

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP079

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9940000ixc

Preparation, crystal structure and magnetochemistry of [NEt4][V2Cl7(thf)2]·CH2Cl2(thf = tetrahydrofuran) Joe R. Rambo, Stuart L. Bartley, William E. Streib and George Christou, pp 1813 DOI:10.1039/DT9940001813

Thiolate complexes of osmium(IV): preparation of [Os(SR)4(PR3)](R = C6F5, C6F4H-4, C6H4F-4 or Ph, R= Ph; R = C6F5 or C6F4H-4, R3= Me2Ph) and [OsCl(SC6F5)2(SC6H4X-3)(PMe2Ph)](X = F or CF3): crystal structures of [Os(SC6F4H-4)4(PPh3)] and [OsCl(SC6F5)2(SC6H4CF3-3)(PMe2Ph)] Maribel Arroyo, Jose A. Chamizo, David L. Hughes, Raymond L. Richards, Patricia Roman, Plinio Sosa and Hugo Torrens, pp 1819 DOI:10.1039/DT9940001819

M2As2O7(H2O)2(M = Co or Ni): hydrous diarsenates with an intersecting tunnel structure Sue-Lein Wang, Jia-Cherng Horng and Yan-Huang Lee, pp 1825 DOI:10.1039/DT9940001825

Facile synthesis of four-membered ring platinalactam complexes and the single-crystal structure of [Pt{CH(CN)C(O)N(CO2Et)}(cod)](cod = cycloocta-1,5-diene) William Henderson, Brian K. Nicholson and Allen G. Oliver, pp 1831 DOI:10.1039/DT9940001831

Crystal structures of a tetranucleating macrocycle and its dimanganese(III) derivative, and magnetism of the latter Alison J. Edwards, Bernard F. Hoskins, Richard Robson, Jenny C. Wilson, Boujemaa Moubaraki and Keith S. Murray, pp 1837 DOI:10.1039/DT9940001837

An unexpected explanation for the unsymmetrically bridging alkyne ligand in [W2(-C5H4Pri)2Br4(µ-C2Ph2)] Philip Mountford, pp 1843 DOI:10.1039/DT9940001843

New aspects of rhodium(III)-dimethyl sulfoxide chemistry: synthesis and molecular structure of [NEt4][cis-RhCl4{(CH3)2SO}2] and chemical behaviour in aqueous solution of [RhCln{(CH3)2SO}6-n]3-n(n= 3 or 4) complexes Enzo Alessio, Andrea Sessanta o Santi, Paolo Faleschini, Mario Calligaris and Giovanni Mestroni, pp 1849 DOI:10.1039/DT9940001849

Kinetics of ligand exchange in rhodium-(I) and -(III) complexes from magnetisation-transfer measurements; the crystal structure of [Rh(NH3)(PPh3)3]ClO4 Lars A. Bengtsson, Brian T. Heaton, Jonathan A. Iggo, Chacko Jacob, Gary L. Monks, Jayakauri Ratnam and Anthony K. Smith, pp 1857 DOI:10.1039/DT9940001857

Luminescent organometallic gold(I) complexes. Structure and photophysical properties of alkyl-, aryl- and µ-ethynylene gold(I) complexes Xiao Hong, Kung-Kai Cheung, Chun-Xiao Guo and Chi-Ming Che, pp 1867 DOI:10.1039/DT9940001867

Studies on a dioxotetraamine macrocyclic ligand, its copper(II) and nickel(II) complexes and solution equilibria Qin-Hui Luo, Shou-Rong Zhu, Meng-Chang Shen, Shu-Yan Yu, Zheng Zhang, Xiao-Yun Huang and Qiang-Jin Wu, pp 1873 DOI:10.1039/DT9940001873

Synthesis, crystal structure and magnetic properties of the alternating chain [VO(H2O)5][Cu2(bipym)2(H2O)(SO4)3]·7H2O (bipym = 2,2-bipyrimidine) Giovanni De Munno, Carla Bazzicalupi, Juan Faus, Francesc Lloret and Miguel Julve, pp 1879 DOI:10.1039/DT9940001879

Structure and reactions of the thioether half-sandwich ruthenium(II) complexes [Ru(MeCN)3([9]aneS3)][CF3SO3]2 and [Ru(MeCN)2(PPh3)([9]aneS3)][CF3SO3]2([9]aneS3= 1,4,7-trithiacyclononane) Claudia Landgrafe and William S. Sheldrick, pp 1885 DOI:10.1039/DT9940001885

Activation of carbon-sulfur and carbon-chlorine bonds by the electrophilic ruthenium fragment Ru(-C5Me5)+ Deyanira Rondon, Josianne Delbeau, Xiao-Dong He, Sylviane Sabo-Etienne and Bruno Chaudret, pp 1895 DOI:10.1039/DT9940001895

Synthesis and characterization of monochelated carboxylatopalladium(II) complexes with nitrogen-donor chelating ligands. Crystal structures of diacetato(1,10-phenanthroline)- and diacetato(2,9-dimethyl-1,10-phenanthroline)-palladium(II) Barbara Milani, Enzo Alessio, Giovanni Mestroni, Anna Sommazzi, Fabio Garbassi, Ennio Zangrando, Nevenka Bresciani-Pahor and Lucio Randaccio, pp 1903 DOI:10.1039/DT9940001903

Template synthesis, structure and properties of a bis(macrocyclic) dinickel(II) complex based on a 14-membered hexaaza unit Vladimir B. Arion, Nicolai V. Gerbeleu, Veaceslav G. Levitsky, Yuri A. Simonov, Alexandr A. Dvorkin and Polina N. Bourosh, pp 1913 DOI:10.1039/DT9940001913

Crystal structure and magnetic properties of two two-dimensional sheet-like polynuclear copper complexes with bridging trans-oxamidate and 4,4-bipyridine or pyrimidine Zhong Ning Chen, De Gang Fu, Kai Bei Yu and Wen Xia Tang, pp 1917 DOI:10.1039/DT9940001917

Crystal structure and magnetic properties of a two-dimensional sheet-like copper(II) complex with bridging trans-oxamidate and azide Zhong Ning Chen, Jun Qiu, Zhong Kui Wu, De Gang Fu, Kai Bei Yu and Wen Xia Tang, pp 1923 DOI:10.1039/DT9940001923

Binding of divalent metal ions to synthetic double-stranded polyribonucleotides Günther Strunk and Hartmut Diebler, pp 1929 DOI:10.1039/DT9940001929

Three- and four-co-ordinate copper(I) complexes: 1:1 and 1:2 1-cyanoguanidine-copper(I) halide adducts Michael J. Begley, Odile Eisenstein, Peter Hubberstey, Sarah Jackson, Claire E. Russell and Paul H. Walton, pp 1935 DOI:10.1039/DT9940001935

A computational study of metal-dinitrogen co-ordination Robert J. Deeth and Christian N. Field, pp 1943 DOI:10.1039/DT9940001943

Organometallic thiol and thiolato complexes of ruthenium(IV) Gary Belchem, Jonathan W. Steed and Derek A. Tocher, pp 1949 DOI:10.1039/DT9940001949

Preparation and reactivity of iodomethyl complexes of rhodium(III); crystal and molecular structure of carbonylchloroiodo(iodomethyl)bis(triethylphosphine)rhodium(III) Rosslyn C. Gash, David J. Cole-Hamilton, Robin Whyman, John C. Barnes and Michael C. Simpson, pp 1963 DOI:10.1039/DT9940001963

Hydrogen-bonded adducts of ferrocene-1,1-diylbis(diphenylmethanol): crystal and molecular structures of 1 : 1 adducts with 4,4-bipyridyl, piperazine and dimethylformamide, the 2 : 1 : 1 hydrated adduct with morpholine, and two adducts with 1,4-dioxane, 1 : 1 at 150 K and 1 : 2 at 298 K Christopher Glidewell, George Ferguson, Alan J. Lough and Choudhury M. Zakaria, pp 1971 DOI:10.1039/DT9940001971

Reaction of methanol with diphenylantimony(V) trihalides: crystal structure of [SbPh2Br2(OMe)·MeOH]2 T. Tunde Bamgboye, Michael J. Begley, I. Gary Southerington and D. Bryan Sowerby, pp 1983 DOI:10.1039/DT9940001983

Synthesis and characterisation of cyanide-bridged heterobinuclear mixed-valence compounds based on cyclopentadienylorganophosphine-ruthenium(II) and -osmium(II) cyano and pentaammine-ruthenium(III) and -osmium(III) moieties William M. Laidlaw and Robert G. Denning, pp 1987 DOI:10.1039/DT9940001987

Preparation, crystal structures, conductivities and electronic structures of [et]3[NiCl4]·H2O and [et]3[AuBr4][et = bis(ethylenedithio)tetrathiafulvalene] James D. Martin, Enric Canadell, Jonathan C. Fitzmaurice, Alexandra M. Z. Slawin, David J. Williams and J. Derek Woollins, pp 1995 DOI:10.1039/DT9940001995

Novel monomeric and dimeric copper(II) pyridone complexes containing the 2,2-bipyridyl ligand Alexander J. Blake, Robert O. Gould, Jeremy M. Rawson and Richard E. P. Winpenny, pp 2005 DOI:10.1039/DT9940002005

Preparation and structure of a non-carbide-stabilized octahedral rhenium cluster: [NEt4][Re6H7(CO)18] Chung Shinn Yang and Cheu Pyeng Cheng, pp 2011 DOI:10.1039/DT9940002011

Dalton communications. Functionalizable 5,5,10,10,15,15,20,20-octaethylporphyrinogen complexes of early transition metals: synthesis and crystal structure of titanium-, vanadium- and chromium-(III) derivatives and a two-electron oxidation of the porphyrinogen skeleton Euro Solari, Fabrizio Musso, Carlo Floriani, Angiola Chiesi-Villa and Corrado Rizzoli, pp 2015 DOI:10.1039/DT9940002015

Bimetallic aluminium and gallium derivatives of 1,1,1,5,5,5-hexafluoropentane-2,4-dione via selective metallation/hydrometallation Jerry L. Atwood, Fu Chin Lee, Colin L. Raston and Kerry D. Robinson, pp 2019 DOI:10.1039/DT9940002019

Additions and corrections Makbule Koçak, Ali I. Okur, Özer Bekaroglu, Carol A. Routledge, Madalene Humanes, Yue-Jin Li and A. Geoffrey Sykes, pp 2023 DOI:10.1039/DT9940002023

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX051

Issue 14

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX053

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP087

New synthetic routes to face-to-face and open-book triazenide-bridged dirhodium bipyridyl complexes with the [Rh2]4+ core Neil G. Connelly, Till Einig, Gabriel Garcia Herbosa, Philippa M. Hopkins, Carlo Mealli, A. Guy Orpen, Georgina M. Rosair and Fernando Viguri, pp 2025 DOI:10.1039/DT9940002025

Unusual solid-state reaction of [{CrL(acac)}2(µ-H3O2)][PF6]3. Isolation and crystal structures of [CrL(acac)F]PF6 and [CrL(acac)(O2PF2)]PF6(L = 1,4,7-trimethyl-1,4,7-triazacyclononane, acac = pentane-2,4-dionate) Ursula Bossek, Gabriele Haselhorst, Sylvia Ross, Karl Wieghardt and Bernhard Nuber, pp 2041 DOI:10.1039/DT9940002041

Binary and ternary copper(II) complexes of N- and N-methyl-L-histidine in aqueous solution Maurizio Remelli, Chiara Munerato and Fernando Pulidori, pp 2049 DOI:10.1039/DT9940002049

Synthesis, characterization and photophysics of luminescent organogold(I) phosphines Vivian Wing-Wah Yam and Sam Wing-Kin Choi, pp 2057 DOI:10.1039/DT9940002057

Tetrahedral gold-phosphine clusters: a relativistic molecular orbital study Roman Boa, pp 2061 DOI:10.1039/DT9940002061

Crystal structures and single-crystal electron spin resonance spectra of - type molecular complexes of bis(1-methyliminomethyl-2-naphtholato)copper(II) Michito Shiotsuka, Yoshihiro Okaue, Naohide Matsumoto, Hisashi kawa and Toshiyuki Isobe, pp 2065 DOI:10.1039/DT9940002065

Synthesis and crystal structure of nickel(II) complexes of macrobicyclic ligands: identification and electron-transfer reactions of the corresponding nickel(III) complexes in solution Alexander McAuley, Denis G. Fortier, Donal H. Macartney, Todd W. Whitcombe and Chao Xu, pp 2071 DOI:10.1039/DT9940002071

µ-Oxo-bridged diiron(III) complexes and H2O2: monooxygenase- and catalase-like activities Stéphane Ménage, Jean Marc Vincent, Claude Lambeaux and Marc Fontecave, pp 2081 DOI:10.1039/DT9940002081

Formation of optically active [Ru(bipy)2Cl2](bipy = 2,2-bipyridyl) by photodissociation of [Ru(bipy)3]Cl2 in dichloromethane Akihiko Yamagishi, Kyaw Naing, Yasutomo Goto, Masahiro Taniguchi and Masayuki Takahashi, pp 2085 DOI:10.1039/DT9940002085

Formation and characterization of neutral and cationic amino(thio)carbene complexes of gold(I) from thiazolyl precursors Helgard G. Raubenheimer, Fred Scott, Gert J. Kruger, James G. Toerien, Ronald Otte, Werner van Zyl, Itha Taljaard, Pierre Olivier and Lorna Linford, pp 2091 DOI:10.1039/DT9940002091

Synthesis, mechanism of formation and characterization of a new class of octanuclear mixed-metal clusters Na2M2[M3O4(O2CEt)8]2(M= Cr or V; M = Mo or W) Li Xu, Huang Liu, Duangcao Yan, Jinshun Huang and Qianer Zhang, pp 2099 DOI:10.1039/DT9940002099

Studies on organolanthanide complexes. Part 56. Formation of ion-pair complexes [Na·3phen]+[Ln(C5H5)3Cl]-·phen (Ln = La, Pr or Nd; phen = 1,10-phenanthroline) and crystal structure for Ln = Pr Changtao Qian, Bing Wang, Yin Xin and Yonghua Lin, pp 2109 DOI:10.1039/DT9940002109

Evidence for bonding in the boron-thiolate compounds (2,4,6-Me3C6H2)2B(SPh) and (2,4,6-Pri3C6H2)B(SPh)2 Rudolf Wehmschulte, Karin Ruhlandt-Senge, Marilyn M. Olmstead, Mark A. Petrie and Philip P. Power, pp 2113 DOI:10.1039/DT9940002113

Synthesis and crystal structures of dinuclear oxotungsten(VI) diolato complexes Ari Lehtonen and Reijo Sillanpää, pp 2119 DOI:10.1039/DT9940002119

Synthetic and structural study of tetra-µ-3-aminopropanolato-tricopper(II)catena-pentaiodo-tricuprate(I) and -argentate(I) Sari Myllyviita and Reijo Sillanpää, pp 2125 DOI:10.1039/DT9940002125

Synthesis, structure, magnetism and electrochemistry of binuclear nickel(II) and copper(II) complexes of an unsymmetrical pentadentate Schiff-base ligand Paul E. Kruger, Boujemaa Moubaraki, Keith S. Murray and Edward R. T. Tiekink, pp 2129 DOI:10.1039/DT9940002129

C-, N- and C,N-organostannyl tetrazoles: synthesis, characterisation and reactivity Stephen J. Blunden, Mary F. Mahon, Kieran C. Molloy and Philip C. Waterfield, pp 2135 DOI:10.1039/DT9940002135

Novel modifications of the structure of the layered vanadyl hydrogenphosphate VO(HPO4)·0.5H2O Arunabha Datta, Ravindra Y. Kelkar and Ashok R. Saple, pp 2145 DOI:10.1039/DT9940002145

High-temperature spectrophotometric and electron spin resonance spectroscopic investigations of vanadium complexes in the molten salt-gas system V2O5-K2S2O7/SO2-SO3-N2 Dimitris A. Karydis, Kim M. Eriksen, Rasmus Fehrmann and Soghomon Boghosian, pp 2151 DOI:10.1039/DT9940002151

Cluster build-up using the [Os(6-C6H6)(MeCN)3]2+ cation; synthesis and structural characterisation of some hexa- and hepta-nuclear arene-substituted clusters Jack Lewis, Chi-Keung Li, Catherine A. Morewood, M. Carmen Ramirez de Arellano, Paul R. Raithby and Wing-Tak Wong, pp 2159 DOI:10.1039/DT9940002159

Sequential synthesis of some tetraosmium-arene clusters Brian F. G. Johnson, Alexander J. Blake, Caroline M. Martin, Dario Braga, Emilio Parisini and Hong Chen, pp 2167 DOI:10.1039/DT9940002167

Chemical hardness of metal ions in the gas phase: a thermochemical approach Sanchita Hati and Dipankar Datta, pp 2177 DOI:10.1039/DT9940002177

Bioinorganic reaction centres on electrodes. Modified electrodes possessing amino acid, peptide and ferredoxin-type groups on a poly(pyrrole) backbone Christopher J. Pickett and Karl S. Ryder, pp 2181 DOI:10.1039/DT9940002181

Synthesis and characterization of phenoxarsin-10-yl diorganodithiophosphinates. A folded phenoxarsine system in the first dimeric organoarsenic(III) 1,1-dithiolate associated through As S secondary bonding Raymundo Cea-Olivares, José-Guadalupe Alvarado, Georgina Espinosa-Pérez, Cristian Silvestru and Ionel Haiduc, pp 2191 DOI:10.1039/DT9940002191

Synthesis of cationic half-sandwich rhodium(I) complexes of 1,4,7-trithiacyclononane ([9]aneS3). The single-crystal structures of [Rh([9]aneS3)(C2H4)2]PF6, [Rh([9]aneS3)(C8H12)]BF4 and [Rh([9]aneS3)(C4H6)]PF6·0.25OEt2 Alexander J. Blake, Robert O. Gould, Malcolm A. Halcrow and Martin Schröder, pp 2197 DOI:10.1039/DT9940002197

A chemical model of the solvent extraction systen: water-uranyl nitrate-nitric acid-tri-n-butyl phosphate-diluent Miroslav M. Kopeni and Djordje M. Petkovi, pp 2209 DOI:10.1039/DT9940002209

Dalton communications. Partial hydrolysis of a Schiff-base tripodal ligand induced by copper(II) salts: crystal structure of the product from reaction with copper(II) perchlorate David E. Fenton, Gary P. Westwood, Alan Bashall, Mary McPartlin and Ian J. Scowen, pp 2213 DOI:10.1039/DT9940002213

Synthetic and structural characterisation of metal complexes of ferrocenylacetylene: novel donor-acceptor heterobimetallic materials Michael C. B. Colbert, Scott L. Ingham, Jack Lewis, Nicholas J. Long and Paul R. Raithby, pp 2215 DOI:10.1039/DT9940002215

Electron distribution in the excited state of [(OC)5W(4,4-bipy)W(CO)5](4,4-bipy = 4,4-bipyridyl) determined by time-resolved infrared spectroscopy Michael W. George, James J. Turner and Jeremy R. Westwell, pp 2217 DOI:10.1039/DT9940002217

Additions and corrections Eleanor Cole, Royston C. B. Copley, Judith A. K. Howard, David Parker, George Ferguson, John F. Gallagher, Branko Kaitner, Alice Harrison and Louise Royle, pp 2221 DOI:10.1039/DT9940002221

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viij

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX055

Issue 15

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX057

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP093

Reduction of nitric oxide by tetramesityliridium(IV) and cobaltocene. Reactions of hyponitrite complexes and of the ether [Co(5-C5H5)(4-C5H5)](µ-O-exo) with nitroalkanes, acids and amines Robyn S. Hay-Motherwell, Geoffrey Wilkinson, Tracy K. N. Sweet and Michael B. Hursthouse, pp 2223 DOI:10.1039/DT9940002223

Synthesis, structure, spectroscopic and magnetic properties of two copper(II) dimers containing pyridine-2-carbaldehyde thiosemicarbazonate (L), [{CuL(X)}2](X = Cl or Br) Javier García-Tojal, M. Karmele Urtiaga, Roberto Cortés, Luis Lezama, M. Isabel Arriortua and Teófilo Rojo, pp 2233 DOI:10.1039/DT9940002233

Retardation effect of trimethyl phosphite on chelate ring closure of 2,2-bipyridine (bipy) in cis-[W(CO)4{P(OMe)3}(bipy)] Ceyhan Kayran, Saim Özkar and Wadei I. M. Sultan, pp 2239 DOI:10.1039/DT9940002239

Criteria to judge preorganisation in the study of known and the design of mew thiocrown ethers George A. Forsyth and Joyce C. Lockhart, pp 2243 DOI:10.1039/DT9940002243

Synthesis of new 4-hexafluorobenzene complexes of ruthenium and osmium from atoms of the metals: crystal structure of [Ru(6-C6H3Me3-1,3,5)(4-C6F6)] Antonio Martín, A. Guy Orpen, Andrew J. Seeley and Peter L. Timms, pp 2251 DOI:10.1039/DT9940002251

Osmium(II) complexes with the hybrid ligand 1-(diphenylphosphino)-2-(2-pyridyl)ethane Alessandro Del Zotto, Antonio Mezzetti and Pierluigi Rigo, pp 2257 DOI:10.1039/DT9940002257

Catalytic reaction of methanol with a series of ruthenium(II) complexes and the mechanism of the formation of acetic acid from methanol alone Tetsu Yamakawa, Masayuki Hiroi and Sumio Shinoda, pp 2265 DOI:10.1039/DT9940002265

Bis(pentafluorophenyl)nickel(II) thio-molybdates and -tungstates. Crystal structure of [NBu4]2[Ni2(C6F5)4(µ-WS4)] Gregorio Sánchez, Francisca Momblona, Gabriel García, Gregorio López, Elena Pinilla and Angeles Monge, pp 2271 DOI:10.1039/DT9940002271

Influence of chelate-ring size and number of sulfur-donor atoms on spectra and redox behaviour of copper(II) bis(benzimidazolyl) tetra- and penta-thloether complexes Usha Sivagnanam and Mallayan Palaniandavar, pp 2277 DOI:10.1039/DT9940002277

Effect of metal dilution on the thermal and light-induced spin transition in [FexZn1 -x(mtz)6][ClO4]2(mtz = 1-methyl-1H-tetrazole) Thomas Buchen, Peter Poganiuch and Philipp Gütlich, pp 2285 DOI:10.1039/DT9940002285

Synthesis and structure of Cs3Ti3As5O20 Kwang-Hwa Lii, pp 2289 DOI:10.1039/DT9940002289

Carbon-hydrogen and C-X (X = Cl or SiMe3) bond activation. 1-Cyclopalladation and oxidation of some derivatives of 2-[(dimethylamino)methyl]naphthalene Jean-Marc Valk, Ruud van Belzen, Jaap Boersma, Anthony L. Spek and Gerard van Koten, pp 2293 DOI:10.1039/DT9940002293

53 Hapticity interconversion in cycloheptadienyl molybdenum complexes Roy L. Beddoes, Jonathan R. Hinchliffe, Ana-Lucia A. B. de Souza and Mark W. Whiteley, pp 2303 DOI:10.1039/DT9940002303

A novel tetranuclear [CrIII2MnIII2(µ3-O)2]8+ core with an ST= 0 spin ground state Phalguni Chaudhuri, Frank Birkelbach, Manuela Winter, Volker Staemmler, Peter Fleischhauer, Wolfgang Haase, Ulrich Flörke and Hans-Jürgen Haupt, pp 2313 DOI:10.1039/DT9940002313

Solvation structures for bromide ion in various solvents by extended X-ray absorption fine structure Hajime Tanida, Hideto Sakane and Iwao Watanabe, pp 2321 DOI:10.1039/DT9940002321

Reactivity of the tri-µ-hydroxo-bis[triamminecobalt(III)] ion in halide media Kamaluddin Abdur-Rashid, Tara P. Dasgupta and John Burgess, pp 2327 DOI:10.1039/DT9940002327

Dalton communications. A model complex for the carboxylate-histidine-zinc system in zinc enzymes. Crystal structure of [Zn(Him)2(MeCO2)2](Him = imidazole) Xiao-Ming Chen, Zhi-Tao Xu and Xiao-Chun Huang, pp 2331 DOI:10.1039/DT9940002331

Benzenehexathiol as a template rim for a golden wheel: synthesis and structure of [{CSAu(PPh3)}6] Hon Kay Yip, Annette Schier, Jürgen Riede and Hubert Schmidbaur, pp 2333 DOI:10.1039/DT9940002333

Synthesis of the first lanthanide complexes of dialkyl -hydroxyiminophosphonates; ambivalent ligand bonding in the PrIII and NdIII complexes of diisopropyl -hydroxyiminopropylphosphonate (L1), [PrL13Cl3] and [NdL12(NO3)3(H2O)] S. W. Annie Bligh, Nick Choi, Harry R. Hudson, Catherine M. McGrath and Mary McPartlin, pp 2335 DOI:10.1039/DT9940002335

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viik

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX059

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP099

Issue 16

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX061

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP101

Ligand-field control in the self-assembly of polymeric metal complexes: copper(II) complexes with quadridentate Schiff-base ligands involving an imidazole moiety Takeshi Nozaki, Hiroyuki Ushio, Genjin Mago, Naohide Matsumoto, Hisashi kawa, Yukiko Yamakawa, Tomoyuki Anno and Toshio Nakashima, pp 2339 DOI:10.1039/DT9940002339

Acetazolamide binding to zinc(II), cobalt(II) and copper(II) model complexes of carbonic anhydrase Gloria Alzuet, Luigi Casella, Angelo Perotti and Joaquín Borrás, pp 2347 DOI:10.1039/DT9940002347

Synthesis and structural study of [{Pd(CH2C9H6N)}2(µ-O2CR)(µ-X)] complexes (R = Me or CF3; X = hydroxide, amide or thiolate) José Ruiz, Natalia Cutillas, Josefina Torregrosa, Gabriel García, Gregorio López, Penny A. Chaloner, Peter B. Hitchcock and Robin M. Harrison, pp 2353 DOI:10.1039/DT9940002353

Syntheses and molecular structures of two boride cluster anions: octahedral [Rh2Ru4(CO)16B]- and double-prismatic [Rh3Ru6(CO)23B2]- Jane R. Galsworthy, Catherine E. Housecroft and Arnold L. Rheingold, pp 2359 DOI:10.1039/DT9940002359

Isomerism in bis(diethylenetriamine)nickel(II) thiocyanate: synthesis, solid-state interconversion and X-ray crystallographic study of sym-fac and mer isomers Alok K. Mukherjee, Subratanath Koner, Ashutosh Ghosh, Nirmalendu Ray Chaudhuri, Monika Mukherjee and Alan J. Welch, pp 2367 DOI:10.1039/DT9940002367

Influence of mixed sulfur-nitrogen oxides on the redox kinetics of manganese ions in aqueous solution Frans F. Prinsloo, Jakobus J. Pienaar, Rudi van Eldik and Heinz Gutberlet, pp 2373 DOI:10.1039/DT9940002373

Synthesis, chiroptical and electrochemical studies of dioxouranium(VI) complexes of aldimine derivatives of L-/D-histidine and crystal structure of (2,2-bipyridyl)dioxo(N-o-vanillylidene-L-histidinato)uranium(VI)-water-methanol(1/1/1) Subrata Panchanan, Reijo Hämäläinen and Parag S. Roy, pp 2381 DOI:10.1039/DT9940002381

Molecular structure and linkage isomerism of cis-[Ru(bipy)2{trans-Cr(cyclam)(CN)2}2]4+(bipy = 2,2-bipyridine, cyclam = 1,4,8,11-tetraazacyclotetradecane) Carlo A. Bignozzi, Claudio Chiorboli, M. Teresa Indelli, Franco Scandola, Valerio Bertolasi and Gastone Gilli, pp 2391 DOI:10.1039/DT9940002391

Reactions of copper(II) nitrate with pyridazine (pydz) and crystal structures of catena-[Cu(µ-2-pydz)(µ-OH)(µ-O2NO)]·H2O and [Cu3(µ-2-pydz)4(pydz)2(µ-NO3)2(NO3)4] Lucia Carlucci, Gianfranco Ciani, Massimo Moret and Angelo Sironi, pp 2397 DOI:10.1039/DT9940002397

Electronic structure of a stable silylene: photoelectron spectra and theoretical calculations of Si(NRCHCHNR), Si(NRCH2CH2NR) and SiH2(NRCHCHNR) Michael Denk, Jennifer C. Green, Nils Metzler and Matthias Wagner, pp 2405 DOI:10.1039/DT9940002405

From synthesis to chemical reactivity of supported d0 complexes. Part 2. Reactivity of silica-anchored alkylzirconium complexes. An attempt toward functionaltzation of alkanes Françoise Quignard, Agnès Choplin and Jean-Marie Basset, pp 2411 DOI:10.1039/DT9940002411

Synthesis and properties of polynuclear complexes containing {Mo(NO)[HB(dmpz)3]Cl} metal centres axially bound to a Ru(tpp) core (dmpz = 3,5-dimethylpyrazol-1-yl; tpp =meso-5,10,15,20-tetraphenylporphyrinate) Jon A. McCleverty, Jon A. Navas Badiola and Michael D. Ward, pp 2415 DOI:10.1039/DT9940002415

Reversible co-ordination of alkali metals to sulfur-based organometallic ligands [M(SC6F5)4(cp)]-(M = Mo or W, cp =5-C5H5) Jack L. Davidson, Calum H. McIntosh, Pascal C. Leverd, W. Edward Lindsell and Nigel J. Simpson, pp 2423 DOI:10.1039/DT9940002423

Synthesis of trans-[Mo(N2)2(dippe)2][dippe = 1,2-bis(diisopropylphosphino)ethane] and related derivatives, protonation of co-ordinated dinitrogen and crystal structures of trans-[MoF(NNH2)(dippe)2][BF4] and trans-[MoCl2(dippe)2][BF4] Manuel Jiménez-Tenorio, M. Carmen Puerta, Pedro Valerga and David L. Hughes, pp 2431 DOI:10.1039/DT9940002431

Synthesis and characterization of five-co-ordinate rhenium(III) complexes with 2-(diphenylphosphino)ethanethiolate and monothiolate liqands. Crystal structure of [Re(Ph2PCH2CH2S)2(PhCH2S)] Theodosia Maina, Andrea Pecorale, Alessandro Dolmella, Giuliano Bandoli and Ulderico Mazzi, pp 2437 DOI:10.1039/DT9940002437

Photoelectrochemical and quenching studies of tris(2,2-bipyridine)ruthenium(II) bound to Nafion- and clay-coated electrodes K. Vengatajalabathy Gobi and Ramasamy Ramaraj, pp 2445 DOI:10.1039/DT9940002445

Synthesis and crystal structure of a new layered zirconium phosphate compound, Zr(PO4)F(OSMe2) Damodara M. Poojary, Baolong Zhang and Abraham Clearfield, pp 2453 DOI:10.1039/DT9940002453

New polymeric compounds containing vanadium-oxygen chains David L. Hughes, Uwe Kleinkes, G. Jeffery Leigh, Michael Maiwald, J. Roger Sanders and Claas Sudbrake, pp 2457 DOI:10.1039/DT9940002457

Dalton communications. Solvent-dependent forms of lithiated 5,5,10,10,15,15,20,20-octaethylporphyrinogen in solution and in the solid state and reaction with tetrahydrofuran Stefania De Angelis, Euro Solari, Carlo Floriani, Angiola Chiesi-Villa and Corrado Rizzoli, pp 2467 DOI:10.1039/DT9940002467

Stabilization of copper(I) by phosphinoamines Francesco Tisato, Fiorenzo Refosco, Giuliano Bandoli, Giuseppe Pilloni and Benedetto Corain, pp 2471 DOI:10.1039/DT9940002471

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viil

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX063

Issue 17

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX065

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP107

Transition-metal Schiff-base complexes as ligands in tin chemistry. Part 5. Structural studies of intimate ion-paired heterobimetallic complexes of tin(IV) and nickel, copper or zinc with 3-methoxysalicylaldimine ligands Brenda Clarke, Demond Cunningham, John F. Gallagher, Tim Higgins, Patrick McArdle, John McGinley, Máire Ní Cholchúin and David Sheerin, pp 2473 DOI:10.1039/DT9940002473

Bis(µ-pyridazine)-bis[(2-cyanoguanidine)copper(I)] cation: a molecule containing two co-ordinatively unsaturated copper(I) centres Michael J. Begley, Peter Hubberstey, Claire E. Russell and Paul H. Walton, pp 2483 DOI:10.1039/DT9940002483

Reactions of the cyclic platinum(II) thiolate complex [Pt{SCH2C(O)CH2}(PPh3)2] with electrophiles, and the single-crystal structure of [{Pt[SCH2C(O)CH2](PPh3)2·HgBr2}2] William Henderson, Brian K. Nicholson and Raymond D. W. Kemmitt, pp 2489 DOI:10.1039/DT9940002489

Mechanistic information on ligand-substitution reactions of gadolinium(III) in aqueous solution from high-pressure stopped-flow experiments Kedika B. Reddy, Shibai Cao, Edward C. Orr, István Fábián, Rudi van Eldik and Edward M. Eyring, pp 2497 DOI:10.1039/DT9940002497

Methylsilylhydroxylamines: preparative, spectroscopic and ab initio studies Norbert W. Mitzel, Matthias Hofmann, Eckhard Waterstradt, Paul von Ragué Schleyer and Hubert Schmidbaur, pp 2503 DOI:10.1039/DT9940002503

Synthesis and vibrational spectra of new bis(alkoxysulfane)-dichloropalladium(II) complexes and X-ray structural analysis of [PdCl2{S(OPri)2}2] Ralf Steudel, Monika Kustos, Heinar Schmidt, Eberhard Wenschuh, Mathias Kersten and Andrea Wloszczynski, pp 2509 DOI:10.1039/DT9940002509

Mesitylgold complexes: synthesis and reactivity; crystal structure of [{(Ph3P)Au(µ-mes)Ag(tht)}2][SO3CF3]2(mes = mesityl, tht = tetrahydrothiophene) María Contel, Josefina Jiménez, Peter G. Jones, Antonio Laguna and Mariano Laguna, pp 2515 DOI:10.1039/DT9940002515

Synthesis, photophysical properties and crystal structure of tetra-n-butylammonium bis(maleonitriledithiolato)-nitridoosmate(VI) Wa-Hung Leung, Man-Ching Wu, Chi-Ming Che, Wing-Tak Wong and Kwok-Fai Chin, pp 2519 DOI:10.1039/DT9940002519

Crystal structures and luminescence spectra of ten-co-ordinate lanthanide(III) complexes (Ln = Ce, Sm, Eu or Tb) with 2,6-bis(benzimidazol-2-yl)pyridine Shuangxi Wang, Ying Zhu, Yuxin Cui, Liufang Wang and Qinhui Luo, pp 2523 DOI:10.1039/DT9940002523

Synthesis, characterization and reactivity of Claus' blue, a superoxodirhodium(III,III) species long said to contain RhVI Ian J. Ellison, Robert D. Gillard, Monika Moszner, Michal Wilgocki and Jozef J. Ziolkowski, pp 2531 DOI:10.1039/DT9940002531

Synthesis and crystal structure of an indium(III) complex with a bicyclic phthalocyanine at 300 K Jan Janczak and Ryszard Kubiak, pp 2539 DOI:10.1039/DT9940002539

Cation-anion interactions involving hydrogen bonds. Syntheses, Structures and spectroscopic studies of [H2dam][BiIIIPh(O2CCF3)4], [Hpy]2[BiIIIPh(O2CCF3)4] and [H2dam][BiIII(O2CCF3)5](dam = diamine, py = pyridine) Steven R. Breeze, Liqin Chen and Suning Wang, pp 2545 DOI:10.1039/DT9940002545

Syntheses of 4-benzyl-3,5-dimethylpyrazolylborato complexes of molybdenum and tungsten nitrosyls: molecular structure of [Mo(CO)2(NO){HB(3,5-Me2-4-PhCH2C3N2)3}], a complex with an inverted bowl-like structure John C. Jeffery, Stefan S. Kurek, Jon A. McCleverty, Elefteria Psillakis, Rob M. Richardson, Michael D. Ward and Andrzej Wlodarczyk, pp 2559 DOI:10.1039/DT9940002559

Photochemical and photophysical properties of fac-[Re(CO)3(L)2Cl](L = quinoline or isoquinoline) Neyde Murakami Iha and Guillermo Ferraudi, pp 2565 DOI:10.1039/DT9940002565

Crystal structure, spectroscopic and magnetic properties of two unusual compounds: [Cu(terpy)(N3)Cl] and [{Cu0.75Ni0.25(terpy)(N3)2}2]·2H2O (terpy = 2,2 : 6,2-terpyridine) Roberto Cortés, Luis Lezama, José I. R. Larramendi, Maite Insausti, José V. Folgado, Gotzon Madariaga and Teófilo Rojo, pp 2573 DOI:10.1039/DT9940002573

Hydrolysis of tin(II) fluoride and crystal structure of Sn4OF6 Isaac Abrahams, Stephen J. Clark, John D. Donaldson, Zahida I. Khan and Jeffrey T. Southern, pp 2581 DOI:10.1039/DT9940002581

Dalton communication. Solid-state nuclear magnetic resonance studies on the co-ordination geometry of boron in polyoxotungstates Alexandra R. Couto, Cristina N. Trovão, João Rocha, Ana M. V. Cavaleiro and Júlio D. Pedrosa de Jesus, pp 2585 DOI:10.1039/DT9940002585

Synthesis, photophysics and electrochemistry of a novel luminescent platinum(II) sulfido complex. Crystal structure of [Pt2(µ-S)(µ-dppm)(dppm)2]2+(dppm = Ph2PCH2PPh2) Vivian Wing-Wah Yam, Phyllis Kok-Yan Yeung and Kung-Kai Cheung, pp 2587 DOI:10.1039/DT9940002587

Synthesis of novel donor-acceptor manganese(I) complexes of ferrocenylacetylene: crystal structure of [(C5H5)Fe(C5H4)CCMn(CO)3{Ph2PCH(Me)CH2PPh2}] which has potential for second-order non-linear optics Michael C. B. Colbert, Andrew J. Edwards, Jack Lewis, Nicholas J. Long, Nicola A. Page, David G. Parker and Paul R. Raithby, pp 2589 DOI:10.1039/DT9940002589

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viim

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX067

Issue 18

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX069

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP113

Novel binuclear vanadium(V)-Schiff base cations containing single fluorine bridges and the structure of difluorodioxovanadate(1-) Shirley A. Fairhurst, David L. Hughes, G. Jeffery Leigh, J. Roger Sanders and Jan Weisner, pp 2591 DOI:10.1039/DT9940002591

Photochemistry of polyoxovanadates. Part 1. Formation of the anion-encapsulated polyoxovanadate [V15O36(CO3)]7- and electron-spin polarization of -hydroxyalkyl radicals in the presence of alcohols Toshihiro Yamase and Kawori Ohtaka, pp 2599 DOI:10.1039/DT9940002599

Spectroscopic studies of a square-pyramidal nitridochromium(V) complex Nagao Azuma, Takehiro Ozawa and Sei Tsuboyama, pp 2609 DOI:10.1039/DT9940002609

Syntheses, structures and fluxional behaviour of 4-1,4-di-tert-butylbuta-1,3-diene complexes of iron and ruthenium Kanwaljit S. Claire, Oliver W. Howarth and Andrew McCamley, pp 2615 DOI:10.1039/DT9940002615

Structural and solid-state 31P nuclear magnetic resonance studies on 1 : 1 : 1 mixed nitrogen and phosphine base complexes with copper(I) halides Graham A. Bowmaker, John V. Hanna, Robert D. Hart, Peter C. Healy and Allan H. White, pp 2621 DOI:10.1039/DT9940002621

Preparation and characterisation of organocobalt(III) complexes of tetraaza macrocyclic ligands. Crystal structures of ethyl- and propyl-cobalt(III) complexes of 3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17),13,15-triene Hadi A. A. Omar, Peter Moore and Nathaniel W. Alcock, pp 2631 DOI:10.1039/DT9940002631

Synthetic, dynamic nuclear magnetic resonance and crystallographic studies of platinum complexes containing silyl-substituted dialkenyl-thioether and -selenoether ligands Edward W. Abel, Julian R. Koe, Michael B. Hursthouse, K. M. Abdul Malik and Mohammed A. Mazid, pp 2637 DOI:10.1039/DT9940002637

Platinum and rhodium complexes of dialkenyl telluroether ligands: synthesis, dynamic nuclear magnetic resonance and crystal structure of cis-dibromo(3,3,7,7-tetramethyl-5-tellura-3,7-disilanona-1,8-diene)platinum(II) Edward W. Abel, Julian R. Koe, Michael B. Hursthouse, K. M. Abdul Malik and Mohammed A. Mazid, pp 2645 DOI:10.1039/DT9940002645

A convenient method for the preparation of 3-(2-pyridyl)triazolo[1,5-a]pyridine (L). Crystal structures of L and [CuL2(OH2)2][NO3]2 Luigi P. Battaglia, Mauro Carcelli, Fabrizio Ferraro, Luigi Mavilla, Corrado Pelizzi and Giancarlo Pelizzi, pp 2651 DOI:10.1039/DT9940002651

Synthesis, structure and properties of [Hpy]2[{M(mnt)2}2](M = Co or Fe, Hpy = pyridinium, mnt = maleonitriledithiolate) J. Vasco Rodrigues, Isabel C. Santos, Vasco Gama, Rui T. Henriques, João C. Waerenborgh, M. Teresa Duarte and Manuel Almeida, pp 2655 DOI:10.1039/DT9940002655

Organometallics of diphosphazanes. Part 10. Dinuclear group 6 metal carbonyl complexes bridged by a cyclodiphosphazane in its cis or trans form Venkata S. Reddy, Setharampattu S. Krishnamurthy and Munirathinam Nethaji, pp 2661 DOI:10.1039/DT9940002661

Metallosupramolecular assembly of dinuclear double helicates incorporating a biphenyl-3,3-diyl spacer; molecular structure of bis{3,3-bis[4-(methylsulfanyl)-2,2-bipyridin-6-yl]biphenyl-2N,N : 2N,N]}dicopper(I) hexafluorophosphate Edwin C. Constable, Michael J. Hannon, Andrew J. Edwards and Paul R. Raithby, pp 2669 DOI:10.1039/DT9940002669

Design of ligands containing the o-hydroxybenzyl group. Metal-complexing properties of N,N-bis(2-hydroxybenzyl)diethylenetriamine-N,N,N-triacetic acid Robert D. Hancock, Ignacy Cukrowski, Ewa Cukrowska, Gladys D. Hosken, Vimal Iccharam, Martin W. Brechbiel and Otto A. Gansow, pp 2679 DOI:10.1039/DT9940002679

Uranium-ligand bond-dissociation enthalpies of uranium(IV) poly(pyrazolyl)borate complexes João Paulo Leal and José A. Martinho Simões, pp 2687 DOI:10.1039/DT9940002687

Direct synthesis of anhydrous alkali-metal tetrafluorodioxouranates(VI), A2[UO2F4], and the first synthesis of alkali-metal diaquatetrafluorodioxouranate(VI) monohydrates, A2[UO2F4(H2O)2]·H2O (A = Na, K or NH4) Manish Bhattacharjee, Mihir. K. Chaudhuri, Gagan C. Mandal and Pendyala Srinivas, pp 2693 DOI:10.1039/DT9940002693

Carbon-tellurium bond cleavage in tellurolatochromium complexes. Synthesis and single-crystal structures of [Cr4(cp)4TenO4-n](cp =5-C5H5, n= 1-3) Lai Yoong Goh and Wei Chen, pp 2697 DOI:10.1039/DT9940002697

Preparation of N(SeCl)2+X-(X = SbCl6 or FeCl4), F3CCSeNSeCCF3+SbCl6-, F3CCSeNSeCCF3, F3CCSeNSeCCF3 and F3CCSeSeC(CF3)C(CF3)SeSeCCF3. Electron diffraction study of F3CCSeSeCCF3 and crystal structure of the eight-membered heterocycle F3CCSeSeC(CF3)C(CF3)SeSeCCF3 Konstantin B. Borisenko, Matthias Broschag, István Hargittai, Thomas M. Klapötke, Detlef Schröder, Axel Schulz, Helmut Schwarz, Inis C. Tornieporth-Oetting and Peter S. White, pp 2705 DOI:10.1039/DT9940002705

Synthesis and electrochemistry of dialkylosmium-(IV) and -(V) porphyrins. Crystal structure of [Os(ttp)(CH2SiMe3)2][H2ttp = 5,10,15,20-tetra(p-tolyl)porphyrin] Wa-Hung Leung, Tom S. M. Hun, Kwok-Yin Wong and Wing-Tak Wong, pp 2713 DOI:10.1039/DT9940002713

Synthesis, crystal structures and thermal decomposition studies of a series of copper-lanthanoid complexes of 6-methyl-2-pyridone Alexander J. Blake, Vladimir A. Cherepanov, Alister A. Dunlop, Craig M. Grant, Paul E. Y. Milne, Jeremy M. Rawson and Richard E. P. Winpenny, pp 2719 DOI:10.1039/DT9940002719

Potentiometric study of the protonation equilibria of tartaric acid in aqueous sodium perchlorate solutions at 25 °C. Construction of a thermodynamic model Rosario Castaño, Nestor Etxebarria and Juan M. Madariaga, pp 2729 DOI:10.1039/DT9940002729

Dalton communications. Neutral PtAg2 clusters containing unsymmetrical µ3- and µ-2, alkynyl groups. Crystal structure of [PtAg2(C6F5)2(µ-2,-CCPh)(µ3--CCPh)(PPh3)2]·0.25CH2Cl2 Irene Ara, Juan Forniés, Elena Lalinde, M. Teresa Moreno and Milagros Tomás, pp 2735 DOI:10.1039/DT9940002735

Two different terminal nitrate bonding modes in [Fe2O(NO3)4(C7H7N3)4] John C. Plakatouras, Thomas Bakas, Carolyn J. Huffman, John C. Huffman, Vasilios Papaefthymiou and Spyros P. Perlepes, pp 2737 DOI:10.1039/DT9940002737

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viin

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX071

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP119

Issue 19

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX073

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP121

Dalton perspectives. Metals in the nitrogenases Robert R. Eady and G. Jeffery Leigh, pp 2739 DOI:10.1039/DT9940002739

Hydrolysis, polymerisation, and structure of dimethyltin (IV) in aqueous solution. Molecular structure of the polymer [(SnMe2)2(OH)3]ClO4 Takayuki Natsume, Sen-ichi Aizawa, Keiichiro Hatano and Shigenobu Funahashi, pp 2749 DOI:10.1039/DT9940002749

Synthesis and evaluation of the bonding properties of a potentially tridentate ligand: 1-(diphenylphosphino)-2-ethoxy-1-(2-pyridyl)ethane Marie Alvarez, Noël Lugan and René Mathieu, pp 2755 DOI:10.1039/DT9940002755

Reactivity of nickel (II) diphosphine complexes towards alkoxides: a new route to the synthesis of nickel(0) compounds through nickel(II) alkoxides Adriano Sacco and Pietro Mastrorilli, pp 2761 DOI:10.1039/DT9940002761

Syntheses of square-planar nickel-(II) and -(I) complexes of an octaaza macrohexacyclic ligand and crystal structure of the nickel(II) complex Myunghyun Paik Suh, Il Soon Kim, Seung-Je Cho and Whanchul Shin, pp 2765 DOI:10.1039/DT9940002765

Building a two-dimensional co-ordination polymer having a multilayered arrangement. A molecular assembly comprising hanging phenazine molecules between polymeric stair frameworks of copper(I) halides Megumu Munakata, Takayoshi Kuroda-Sowa, Masahiko Maekawa, Akihiro Honda and Susumu Kitagawa, pp 2771 DOI:10.1039/DT9940002771

Syntheses, crystal structures and electronic properties of [Cu(bipym)(C5O5)(H2O2]·H2O and [Cu2(bipym)(C5O5)2(H2O)2·4H2O (bipym = 2,2-bipyrimidine) Isabel Castro, Jorunn Sletten, Lisbeth K. Glærum, Francesc Lloret, Juan Faus and Miguel Julve, pp 2777 DOI:10.1039/DT9940002777

Factors affecting the assembly of helical and non-helical zinc(II) bipyridyl metallomacrocycles Alexander Bilyk, Margaret M. Harding, Peter Turner and Trevor W. Hambley, pp 2783 DOI:10.1039/DT9940002783

Interaction of transition and post-transition metal ions with oxygen-nitrogen donor macrocycles incorporating pendant hydroxyethyl and carbarnoylethyl groups Kenneth R. Adam, Christopher Clarkson, Anthony J. Leong, Leonard F. Lindoy, Mary McPartlin, Harold R. Powell and Suzanne V. Smith, pp 2791 DOI:10.1039/DT9940002791

Ligand control on the synthesis and redox potency of mononuclear manganese-(III) and -(IV) complexes with tridentate ONS co-ordination Rina Mukhopadhyay, Samiran Bhattacharjee and Ramgopal Bhattacharyya, pp 2799 DOI:10.1039/DT9940002799

Chemical mechanism of dioxygen activation by trans-[FeCl2(cyclam)]+(cyclam = 1,4,8,11-tetraazacyclotetradecane) in the presence of reducing agents such as aliphatic aldehydes or linolenic acid Yuzo Nishida and Noriko Tanaka, pp 2805 DOI:10.1039/DT9940002805

Preparation and aqueous solution properties of the heterometallic cuboidal complex [W3CuS4(H2O)10]5+ Mohamed Nasreldin, Carol A. Routledge and A. Geoffrey Sykes, pp 2809 DOI:10.1039/DT9940002809

Synthesis and reactivity of [NEt4]2[ReBr3(CO)3]. Formation and structural characterization of the clusters [NEt4][Re3(µ3-OH)(µ-OH)3(CO)9] and [NEt4][Re2(µ-OH)3(CO)6] by alkaline titration Roger Alberto, André Egli, Ulrich Abram, Kaspar Hegetschweiler, Volker Gramlich and P. August Schubiger, pp 2815 DOI:10.1039/DT9940002815

Water-soluble Co3C and Co2C2 clusters; redox chemistry and electrochemical reactions in water Noel W. Duffy, Brian H. Robinson, Katie Robinson and Jim Simpson, pp 2821 DOI:10.1039/DT9940002821

Crystal structures of [W(CO)5(PPh3)], [M(CO)5(AsPh3)] and [M(CO)5(SbPh3)](M = Mo or W): a comparative study of structure and bonding in [M(CO)5(EPh3)] complexes (E = P, as or Sb; M = Cr, Mo or W) Manuel J. Aroney, Irmi E. Buys, Murray S. Davies and Trevor W. Hambley, pp 2827 DOI:10.1039/DT9940002827

Synthesis and spectroscopic studies of palladium and platinum complexes of methylene-backboned dithio-, diseleno- and ditelluro-ether ligands, RECH2ER (R = Me or Ph; E = S, Se or Te) Andrew F. Chiffey, John Evans, William Levason and Michael Webster, pp 2835 DOI:10.1039/DT9940002835

Synthesis and characterization of Lewis-base adducts of 1,1,1,5,5,5-hexafluoroacetylacetonatosilver(I) Chongying Xu, Thomas S. Corbitt, Mark J. Hampden-Smith, Toivo T. Kodas and Eileen N. Duesler, pp 2841 DOI:10.1039/DT9940002841

(-Cyclopentadienyl)imido derivatives of molybdenum and tungsten Malcolm L. H. Green, Peter C. Konidaris and Philip Mountford, pp 2851 DOI:10.1039/DT9940002851

Iridium-platinum perfluorobenzenethiolato trinuclear complexes: crystal structures of [Ir2Pt(C5Me5)2(µ-SRF)4Cl2](RF= C6F5 or C6F4H-p), syntheses and solution behaviour Aida Castellanos, Juventino J. García, Hugo Torrens, Neil Bailey, Cecilia O. Rodríguez de Barbarin, Atilano Gutierrez and Federico del Río, pp 2861 DOI:10.1039/DT9940002861

Molecular and electronic structures of bis[1,4-bis(trimethylsilyl)cyclooctatetraene] sandwich complexes of titanium and zirconium F. Geoffrey N. Cloke, Jennifer C. Green, Peter B. Hitchcock, Stephen C. P. Joseph, Philip Mountford, Nikolas Kaltsoyannis and Andrew McCamley, pp 2867 DOI:10.1039/DT9940002867

Reactions of Wilkinson's catalyst with pyridine; observation of rhodium complexes containing both pyridine and phosphine ligandst Brian T. Heaton, Jonathan A. Iggo, Chacko Jacob, Jeyagowry Nadarajah, Marc A. Fontaine, Rino Messere and Alfred F. Noels, pp 2875 DOI:10.1039/DT9940002875

Low-temperature syntheses of a 1,4-diazabicyclo[2.2.2]-octane-intercalated phosphatoantimonic acid Anne Galarneau, Bruno Bujoli, Francis Taulelle, Yves Piffard and Michel Tournoux, pp 2881 DOI:10.1039/DT9940002881

Molecular structure of gaseous 1,7-dichloro-1,7-dicarba-closo-dodecaborane(12), 1,7-Cl2-1,7-C2B10H10, as studied by electron diffraction and ab lnitio calculations Drahomír Hnyk, Paul T. Brain, Heather E. Robertson, David W. H. Rankin, Matthias Hofmann, Paul von R. Schleyer and Michael Bühl, pp 2885 DOI:10.1039/DT9940002885

Synthesis of heterometallic species with (Ph2P)3CH or (Ph2P)3C-. Crystal structures of [Mo(CO)4{(PPh2)2CHPPh2AuCl}], [Mo(CO)4{(PPh2)2 CHPPh2Au(C6F5)}] and [NBu]4[Mo(CO)4{(PPh2)2CPPh2Au(C6F5)}] Eduardo J. Fernández, M. Concepción Gimeno, Peter G. Jones, Antonio Laguna, Mariano Laguna and Elena Olmos, pp 2891 DOI:10.1039/DT9940002891

Dalton communications. Carbonylation of organic halides catalysed by rhodium triethylphosphine complexes Michael C. Simpson, Marc J. Payne and David J . Cole-Hamilton, pp 2899 DOI:10.1039/DT9940002899

The first structurally characterised sodium primary amide complex; synthesis and crystal structure of 2-PhOC6H4NHNa·NMe[(CH2)2NMe2]2 Ian Cragg-Hine, Matthew G. Davidson, Andrew J. Edwards, Paul R. Raithby and Ronald Snaith, pp 2901 DOI:10.1039/DT9940002901

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viio

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX075

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BP127

Issue 20

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX077

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP129

Dithiolenes revisited: an electron spin resonance study of some five-co-ordinate cobalt complexes and the crystal structures of [Co{S2C2(CF3)2}2{P(OPh)3] and [Co{S2C2(CF3)}2(PPh3)] Gene B. Carpenter, Gregory S. Clark, Anne L. Rieger, Philip H. Rieger and Dwight A. Sweigart, pp 2903 DOI:10.1039/DT9940002903

Effect of temperature on the solid-state molecular structure of [Fe3(CO)12] Dario Braga, Fabrizia Grepioni, Louis J. Farrugia and Brian F. G. Johnson, pp 2911 DOI:10.1039/DT9940002911

Structures, energies and vibrational spectra of four isomers of hydrogendioxothiosulfate(IV) anion (HS2O2-) and of the related anion ClSO2-: an ab-initio molecular-orbital study Karol Miaskiewicz and Ralf Steudel, pp 2919 DOI:10.1039/DT9940002919

Synthesis and characterization of new phosphanylium and phosphanetriylammonium salts. Molecular structures of [(Me2N)PN(AlCl3)R] and [P(NPri2)(NHR)]+[CF3SO3]-(R = C6H2But3-2,4,6) Andrei B. Drapailo, Alexander N. Chernega, Vadim D. Romanenko, Rachid Madhouni, Jean-Marc Sotiropoulos, Lydia Lamandé and Michel Sanchez, pp 2925 DOI:10.1039/DT9940002925

Cadmium cyanide-ether clathrates: crystal structures of Cd8(CN)16(H2O)6·6G (G = Et2O or Pri2O) and Cd3(CN)6(H2O)2·2Prn2O Takafumi Kitazawa, Takao Kikuyama, Masashi Takahashi and Masuo Takeda, pp 2933 DOI:10.1039/DT9940002933

Potentiometric and spectroscopic studies on copper(II) and zinc(II) complexes of peptides containing bis(imidazolyl) ligands Katalin Várnagy, Imre Sóvágó, Károly Ágoston, Zsuzsanna Likó, Helga Süli-Vargha, Daniele Sanna and Giovanni Micera, pp 2939 DOI:10.1039/DT9940002939

Linkage lsomerism in bis[hydrotris(1,2,4-triazolyl)borato]zinc from a molecular chelate complex to a three-dimensional co-ordination polymer Christoph Janiak and Holger Hemling, pp 2947 DOI:10.1039/DT9940002947

Intercalation of the oxo-transfer molybdenum(VI) complex [MoO2{O2CC(S) Ph2}2]2- into a zinc(II)-aluminium(III) layered double hydroxide host. Catalysis of the air oxidalton of thiols Antonio Cervilla, Elisa Llopis, Antonio Ribera, Avelino Corma, Vicente Fornés and Fernando Rey, pp 2953 DOI:10.1039/DT9940002953

Synthesis, characterization and aquation kinetics of a new trans diastereoisomer of dichloro(meso-5,12-dimethyl-1,4,8,11-tetraazacyclotetradecane)cobalt(III) perchlorate Bor-Hann Chen, Chung-Yu Lai, Yizhong Yuan and Chung-Sun Chung, pp 2959 DOI:10.1039/DT9940002959

Intramolecular versus intermolecular bonding in amidoantimony dimers; syntheses and structures of {Sb(NMe2)[µ-N(mpy)]}2(mpy = 4-methylpyridin-2-yl) and [Sb(NMe2){µ-N[C6H2(OMe)3-3,4,5]}]2 Andrew J. Edwards, Michael A. Paver, Moira-Ann Rennie, Paul R. Raithby, Christopher A. Russell and Dominic S. Wright, pp 2963 DOI:10.1039/DT9940002963

Ultrafine palladium particles supported on chelate resin-metal complexes: promotion effect of lanthanide ions on catalytic activity Toshiharu Teranishi and Naoki Toshima, pp 2967 DOI:10.1039/DT9940002967

-Cyclopentadienylimido molybdenum chemistry: hydrido, alkyl and -alkyl derivatives Malcolm L. H. Green, Peter C. Konidaris and Philip Mountford, pp 2975 DOI:10.1039/DT9940002975

Extended X-ray absorption fine structure studies of transition-metal periodate and tellurate complexes. Crystal structure of Rb2Na4[OsO2(H2TeO6)2]·16H2O William Levason, Richard D. Oldroyd and Michael Webster, pp 2983 DOI:10.1039/DT9940002983

Structure and magnetic studies of a two-dimensional sheet-like copper(II) complex with bridging pyridine-4-carboxylate and trans-oxamidate ligands Zhong Ning Chen, Shi Xiong Liu, Jun Qiu, Zhe Ming Wang, Jin Ling Huang and Wen Xia Tang, pp 2989 DOI:10.1039/DT9940002989

Mono- and bi-nuclear copper(II) complexes of azaparacyclophanes with a single aromatic spacer. Crystal structure of [Cu2L2Cl4]·1.5H2O (L2= 2,5,8, 11-tetraaza[12]paracyclophane) Antonio Andrés, Carla Bazzicaluppi, Antonio Bianchi, Enrique García-España, Santiago V. Luis, Juan F. Miravet and José A. Ramírez, pp 2995 DOI:10.1039/DT9940002995

Synthesis and crystal structure determination of a one-dimensional end-to-end cyanate-bridged copper(II) compoun Ramon Vicente, Albert Escuer, Evaristo Peñalba, Xavier Solans and Mercè Font-Bardía, pp 3005 DOI:10.1039/DT9940003005

Structural characterization of pyridazine (pydz) adducts of MX2(M = Mn, Fe, Co, Ni, Cu or Zn; X = Cl or Br). Ab-initio X-ray powder diffraction determination of polymeric [NiX2(pydz) complexes Norberto Masciocchi, Paolo Cairati, Lucia Carlucci, Gianfranco Ciani, Gianni Mezza and Angelo Sironi, pp 3009 DOI:10.1039/DT9940003009

Redox reactivity of the type 1 (blue) copper protein amicyanin from Thiobacillus versutus with inorganic complexes Panayotis Kyritsis, Christopher Dennison, Arnout P. Kalverda, Gerard W. Canters and A. Geoffrey Sykes, pp 3017 DOI:10.1039/DT9940003017

Bismuth(III) complexes with sulfur and selenium donor ligands: synthesis and crystal structures of BiCl3·Prn2P(S)P(S)Prn2 and [(Me2N)3PSeSeP(NMe2)3]2+[(BiCl4)2]n2n- Gerald R. Willey, James R. Barras, Martin D. Rudd and Michael G. B. Drew, pp 3025 DOI:10.1039/DT9940003025

Mixed phosphathia macrocyclic chemistry: synthesis and characterisation of [M(Ph2[14]ane P2S2)]2+(M = Pd or Pt) and [RhCl2(Ph2[14]ane P2S2)]+(Ph2[14]ane P2S2= 8, 12-diphenyl-1, 5-dithia-8, 12-diphosphacyclotetradecane) Neil R. Champness, Christopher S. Frampton, Gillian Reid and Derek A. Tocher, pp 3031 DOI:10.1039/DT9940003031

Effects of the nature of the nitrogen donor atom (sp2versus sp3) upon the properties and chemistry of palladated complexes with (Pd-Csp2, ferrocene) bonds Concepción López, Ramón Bosque, Xavier Solans, Mercè Font-Bardía, David Tramuns, George Fern and Jack Silver, pp 3039 DOI:10.1039/DT9940003039

An ab initio molecular-orbital study of insertion of CO2 into a RhI-H bond Shigeyoshi Sakaki and Yasuo Musashi, pp 3047 DOI:10.1039/DT9940003047

On the hydrolysis of niobium(V) and tantalum(V) in 3 mol dm-3 KCl at 25 °C. Part 1. Construction of a thermodynamic model for NbV Nestor Etxebarria, Luis A. Fernández and Juan M. Madariaga, pp 3055 DOI:10.1039/DT9940003055

Comparison of carbon-13 nuclear magnetic resonance methods for the analysis of multiple partially deuteriated products from catalytic reactions: heptan-1-ol and 2-methylpropanol Joanna K. MacDougall, Michael C. Simpson and David J. Cole-Hamilton, pp 3061 DOI:10.1039/DT9940003061

Dalton communications. Synthesis and crystal structure of a luminescent one-dimensional phenylacetylide-gold(I) polymer with 2, 6-bis(diphenylphosphino)pyridine as ligand Shen-Jye Shieh, Xiao Hong, Shie-Ming Peng and Chi-Ming Che, pp 3067 DOI:10.1039/DT9940003067

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viip

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX079

Issue 21

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX081

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP135

Synthesis of the mixed-metal clusters [Ru5RhC(CO)14(cod)Y][Y = H, Au(PEt3) or Au(PPh3); cod = cycloocta-1,5-diene]; reactions of [Ru5RhC(CO)14(cod){Au(PR3)}](R = Ph or Et) and crystal structure of [Ru5RhC(CO)14(cod){µ3-Au(PPh3)}] Trushar Adatia, Hilary Curtis, Brian F. G. Johnson, Jack Lewis, Mary McPartlin and Jill Morris, pp 3069 DOI:10.1039/DT9940003069

Preparation of four-membered phosphonickelocycles. Unusual facile stabilization of five-co-ordinate complexes Mercè Font-Bardía, Javier González-Platas, Guillermo Muller, David Panyella, Mercè Rocamora and Xavier Solans, pp 3075 DOI:10.1039/DT9940003075

Chemistry of acetoacetanilide and derivatives with zero-and di-valent platinum and palladium complexes; crystal structure of the four-membered ring palladalactam complex [Pd{CH(COMe)C(O)NPh}(bipy)](bipy = 2,2-bipyridyl) William Henderson, John Fawcett, Raymond D. W. Kemmitt, Clive Proctor and David R. Russell, pp 3085 DOI:10.1039/DT9940003085

Kinetics and mechanism of the oxidation of iodide by trans-dioxoruthenium (VI) Tai-Chu Lau, Kent W. C. Lau and Keung Lau, pp 3091 DOI:10.1039/DT9940003091

A binuclear ruthenium(II) complex of 2,2:3,2:6,2-quaterpyridine containing RuN5Cl and cyclometallated RuN5C fragments linked by a bridging (N,C-donor) pyridyl residue Michael D. Ward, pp 3095 DOI:10.1039/DT9940003095

Electron spin resonance studies and crystal structures of copper(II) complexes of some 12-, 13- and 14-membered oxatriaza macrocycles Vitor Félix, Rita Delgado, M. Teresa S. Amorim, Sílvia Chaves, Adelino M. Galvão, M. Teresa Duarte, Maria A. A. F. de C. T. Carrondo, Isabel Moura and João J. R. Fraústo da Silva, pp 3099 DOI:10.1039/DT9940003099

Metal-directed synthesis of aminobenzyl polyaza macrecycles: candidates for attachment to polymers and biomolecules Anne Bayada, Geoffrey A. Lawrance, Marcel Maeder and Margaret A. O'Leary, pp 3107 DOI:10.1039/DT9940003107

Equilibrium studies of -diimine displacement in cationic allylpalladium(II) complexes by monodentate N-donors and the mechanism of allyl amination by triethylamine and pyridine Luciano Canovese, Fabiano Visentin, Paolo Uguagliati, Francesca Di Bianca, Simonetta Antonaroli and Bruno Crociani, pp 3113 DOI:10.1039/DT9940003113

Crystal and molecular structure of anhydrous copper(II) perchlorate Frederic Favier, Stephane Barguès, Jean Louis Pascal, Claude Belin and Monique Tillard-Charbonnel, pp 3119 DOI:10.1039/DT9940003119

Structural and vibrational properties of the octanuclear silasesquioxane C6H13(H7Si8O12) Gion Calzaferri, Roman Imhof and Karl W. Törnroos, pp 3123 DOI:10.1039/DT9940003123

Steric effects in heteroboranes. Part 9. Cycloocta-1,5-diene palladium and platinum complexes of mono- and di-phenyl C2B9 ligands: metal-mediated polyhedral rearrangement Gwenda O. Kyd, Lesley J. Yellowlees and Alan J. Welch, pp 3129 DOI:10.1039/DT9940003129

Palladium(II) and platinum(II) dihalogeno-complexes containing the polyfunctional phosphine 7-diphenylphosphino-2,4-dimethyl-1,8-naphthyridine (dpnapy). Crystal structure of the metallocycle trans,trans-[{Pd(µ-dpnapy)Cl2}2]·2H2O Sandra Lo Schiavo, Giovanni De Munno, Francesco Nicolò and Giuseppe Tresoldi, pp 3135 DOI:10.1039/DT9940003135

Synthesis, molecular structure and reactivity of cis-[Pd(C6F5)2(C6H5CH2NMe2-C1, N)] a compound displaying an unusual 1 arene-palladium interaction Larry R. Falvello, Juan Forniés, Rafael Navarro, Violeta Sicilia and Milagros Tomás, pp 3143 DOI:10.1039/DT9940003143

Proton transfer in a phenol-based compartmental cryptate; solution and solid-state structural studies Michael G. B. Drew, Oliver W. Howarth, Grace G. Morgan and Jane Nelson, pp 3149 DOI:10.1039/DT9940003149

Outer-sphere redox reactions in sterically hindered pentaam(m)inecobalt(III) complexes. A temperature and pressure dependence kinetic study Manuel Martinez, Mari-Angel Pitarque and Rudi van Eldik, pp 3159 DOI:10.1039/DT9940003159

Carbon-functionalized 1,4,7-trithiacyclononanes: synthesis, molecular mechanics and co-ordination chemistry Raymond J. Smith, Spencer N. Salek, Michael J. Went, Philip J. Blower and Neil J. Barnard, pp 3165 DOI:10.1039/DT9940003165

Synthesis and co-ordination chemistry of dicobalt-complexed acetylenic crown ethers Stephen C. Bennett, John C. Jeffery and Michael J. Went, pp 3171 DOI:10.1039/DT9940003171

X-Ray photoelectron spectroscopic characterization of [{Pt(PPh3)2(µ3-S)}2PtCl2], [{Pt2(PPh3)4(µ3-S)2Cu}2(µ-dppf)][PF6]2[dppf = Fe (C5H4PPh2)2] and other heterometallic aggregates derived from [{Pt(PPh3)2(µ-S)}2] Beng Hwee Aw, Kok Kheong Looh, Hardy S. O. Chan, Kuang Lee Tan and T. S. Andy Hor, pp 3177 DOI:10.1039/DT9940003177

Complexes with S-donor ligands. Part 2. Synthesis of anionic bis(thiolato)gold(I) complexes. Crystal structure of [N(PPh3)2][Au(SR)2](R = benzoxazol-2-yl) José Vicente, María-Teresa Chicote, Pablo González-Herrero and Peter G. Jones, pp 3183 DOI:10.1039/DT9940003183

Intramolecular hydrogen-bonding stabilisation of tetrafluoroborate co-ordination to copper(II): crystal structure of (2,2-bipyridine)bis(2-cyanoguanidine)bis-(tetrafluoroborato)copper(II) Andrei S. Batsanov, Peter Hubberstey and Claire E. Russell, pp 3189 DOI:10.1039/DT9940003189

Preparation of 1,1-bis[(diphenylphosphino)methyl]ferrocene and its transition-metal complexes Yasuhiro Yamamoto, Tomoaki Tanase, Idumi Mori and Yasuho Nakamura, pp 3191 DOI:10.1039/DT9940003191

Solid-state 13C nuclear magnetic resonance investigations of molecular dynamics in crystalline benzenetricarbonyl-chromium Abil E. Aliev, Kenneth D. M. Harris, François Guillaume and Patrick J. Barrie, pp 3193 DOI:10.1039/DT9940003193

The true identity of the bare-carbon cluster, closo-C3B5H7 Mark A. Fox and Robert Greatrex, pp 3197 DOI:10.1039/DT9940003197

Hindered rotation about carbon-nitrogen bonds in 7-azanorbornadienes and their carbonyliron complexes Michael J. Taylor, pp 3199 DOI:10.1039/DT9940003199

Additions and corrections Dipankar Datta, S. Nabakishwar Singh and Sanchita Hati, pp 3201 DOI:10.1039/DT9940003201

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viiq

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX083

Issue 22

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX085

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP141

Cytochrome c oxidase models: synthesis and reactivity of iron(III)-copper(II) complexes of deuterohaemin-polybenzimidazole dinucleating ligands Luigi Casella, Enrico Monzani, Michele Gullotti, Francesca Gliubich and Luca De Gioia, pp 3203 DOI:10.1039/DT9940003203

Synthesis, crystal structure and non-linear optical properties of [NEt4]4[Cu6Mo2S6O2Br2I4] Hong-Wei Hou, Xin-quan Xin, Jie Liu, Ming-qin Chen and Shi Shu, pp 3211 DOI:10.1039/DT9940003211

Hydrogen activation by arene ruthenium complexes in aqueous solution. Part 2. Build-up of cationic tri- and tetra-nuclear ruthenium clusters with hydrido ligands Götz Meister, Gerd Rheinwald, Helen Stoeckli-Evans and Georg Süss-Fink, pp 3215 DOI:10.1039/DT9940003215

Synthesis and solution multinuclear magnetic resonance studies of homoleptic copper(I) complexes of sulfur, selenium and tellurium donor ligands Jane R. Black and William Levason, pp 3225 DOI:10.1039/DT9940003225

Platinum(II) and palladium(II) complexes with 2-amino-4-methylsulfanylbutanol and 2-(ethylsulfanyl)ethylamine Zijian Guo, Umberto Casellato, Giuseppina Faraglia, Rodolfo Graziani and Sergio Sitran, pp 3231 DOI:10.1039/DT9940003231

Synthesis and solid-state structure of [Pd6Ru6(CO)24]2-. Electrochemistry and 13C nuclear magnetic resonance spectra of [Fe6Pd6H(CO)24]3- and [Pd6Ru6(CO)24]2- Elisa Brivio, Alessandro Ceriotti, Roberto Della Pergola, Luigi Garlaschelli, Francesco Demartin, Mario Manassero, Mirella Sansoni, Piero Zanello, Franco Laschi and Brian T. Heaton, pp 3237 DOI:10.1039/DT9940003237

Rhodium(III) complexes with cyanide and sulfur-donor ligands: rhodium-103 nuclear magnetic resonance chemical shift correlations Michael C. Read, Julius Glaser, Ingmar Persson and Magnus Sandström, pp 3243 DOI:10.1039/DT9940003243

Reactions of dihalogenotriorgano-phosphorus, -arsenic and -antimony compounds with [Fe2(CO)9]. Single-crystal structures of the iron(III) complexes [(Ph3PO)2H][FeBr4] and [Ph4Sb][Fel4]·Ph3Sbl2 and of [Fe(CO)3(Ph3P)2] Helen P. Lane, Stephen M. Godfrey, Charles A. McAuliffe and Robin G. Pritchard, pp 3249 DOI:10.1039/DT9940003249

Mean magnetic susceptibility and its solvent dependence for several substituted ferrocenes, ruthenocene and di(6-benzene)chromium Leonidas Phillips, pp 3257 DOI:10.1039/DT9940003257

Electronic structure of rhodium(II) dimers of formula [Rh2X2(µ-O2CH)2(HNCHCHNH)2](X = halide) Leszek Natkaniec and Florian P. Pruchnik, pp 3261 DOI:10.1039/DT9940003261

Thermodynamics of complexation of manganese(II) and zinc(II) ions with pyridine, 3-methyl- and 4-methyl-pyridine in cyanomethane Makoto Kurihara, Kazuhiko Ozutsumi and Takuji Kawashima, pp 3267 DOI:10.1039/DT9940003267

Boron-nitrogen coupling in a ruthenium-rich ruthenaborane cluster: synthesis, and molecular and electronic structures of [Ru4H(CO)12BH(µ-NCHMe)] Jane R. Galsworthy, Catherine E. Housecroft, James S. Humphrey, Xuejing Song, Andrew J. Edwards and Arnold L. Rheingold, pp 3273 DOI:10.1039/DT9940003273

Influence of secondary bonding on the intradimer distance of trichloro(ethane-1,2-diolato-O,O)tellurate(IV) Markku R. Sundberg, Rolf Uggla, Tarja Laitalainen and Jan Bergman, pp 3279 DOI:10.1039/DT9940003279

Formation of cationic monocyclopentadienyl metal(IV) compounds following halide abstraction from [M(5-C5H5)Cl3(MeCN)2](M = Zr or Hf): crystal and molecular structure of [Hf(5-C5H5)(MeCN)6][SbCl6]3·CH2Cl2 Gerald R. Willey, Mark L. Butcher and Michael G. B. Drew, pp 3285 DOI:10.1039/DT9940003285

Synthesis and electrochemistry of nickel and cobalt complexes of mixed thia-aza crown ethers: single-crystal structures of [Ni([18]aneN2S4)][PF6]2·0.33H2O and [CO([18]aneN2S4)][PF6]3·3H2O ([18]aneN2S4= 1,4,10,13-tetrathia-7,16-diazacyclooctadecane) Alexander J. Blake, Gillian Reid and Martin Schröder, pp 3291 DOI:10.1039/DT9940003291

Synthesis and redox properties of cis-[ReCl(NCR)(Ph2PCH2CH2PPh2)2](R = alkyl or aryl) complexes with a cis-phosphine rhenium(I) centre M. Fátima C. Guedes da Silva, João J. R. Fraústo da Silva and Armando J. L. Pombeiro, pp 3299 DOI:10.1039/DT9940003299

Aquation of the anticancer complex trans-[RuCl4(Him)2]-(Him = imidazole) Orla M. Ni Dhubhghaill, Wilfred R. Hagen, Bernhard K. Keppler, Karl-Georg Lipponer and Peter J. Sadler, pp 3305 DOI:10.1039/DT9940003305

Deprotonation, deuteriation and substitution of the backbone of some azine diphosphine complexes of palladium and platinum: crystal structures of [Ptl(PPh2CHCButN-NCButCH2PPh2)] and [PtCl(PPh2CH2CButN-NCButCH2PPh2)][OC6H2(NO2)3-2,4,6] Sarath D. Perera, Bernard L. Shaw and Mark Thornton-Pett, pp 3311 DOI:10.1039/DT9940003311

The first binuclear copper(II) complex of a bibracchial lariat ether: synthesis, magnetic susceptibility and crystal structure Defen Wang, Hai Xiang, Guoxiong Wang, Zhijian Han, Xingshue Yang, Hongwen Hu and Kaibei Yu, pp 3325 DOI:10.1039/DT9940003325

Dalton communications. A new route to organometallic selenolate complexes of tungsten(II) and molybdenum(II). Crystal structure of [W(5-C5H5)(CO)3(SeCH2Ph)] Wolfgang Eikens, Carsten Kienitz, Peter G. Jones and Carsten Thöne, pp 3329 DOI:10.1039/DT9940003329

Reaction of [Os4(µ-Cl)(CO)13]- with the [Au(PPh3)]+ cation involving insertion of an Os(CO)4 fragment into the gold-phosphorus bond Christopher Cathey, Jack Lewis, Paul R. Raithby and M. Carmen Ramírez de Arellano, pp 3331 DOI:10.1039/DT9940003331

First structural characterisation of an amino phosphonate monoester metal complex S. W. Annie Bligh, Nick Choi, Salvatore Failla, Paolo Finocchiaro, Akhat Il'yasov, Manuela Libertini, Catherine M. McGrath, Mary McPartlin and Thomas M. Woodroffe, pp 3333 DOI:10.1039/DT9940003333

Additions and corrections Lars A. Bengtsson, Brian T. Heaton, Jonathan A. Iggo, Chacko Jacob, Gary L. Monks, Jayakauri Ratnam and Anthony K. Smith, pp 3335 DOI:10.1039/DT9940003335

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viir

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX087

Issue 23

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX089

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP147

Reactivity of nido-[2-{Fe(-C5H5)}B5H10] with some transition-metal hydride complexes H. Janet Bullick, Peter D. Grebenik, Malcolm L. H. Green, Andrew K. Hughes, John B. Leach and Philip Mountford, pp 3337 DOI:10.1039/DT9940003337

Synthesis and characterization of bis(2-alkyne)dihalogeno-mercury(II) compounds: crystal structure of [NBu4]2-[{cis-Pt(C6F5)2(CCSiMe3)2}HgBr2]·CH2Cl2 Jesús R. Berenguer, Juan Forniés, Elena Lalinde, Antonio Martín and M. Teresa Moreno, pp 3343 DOI:10.1039/DT9940003343

Dithiolene-like palladium complexes of methyl 3-phenyldithio-carbazate and related derivatives. Crystal structure of [Pd{N[C6H3(OMe-4)NC6H4(OMe-4)]NC(S)SMe}(SCN)]·0.5C6H6 Mario Bonamico, Vincenzo Fares, Lucantonio Petrilli, Franco Tarli, Gianni Chiozzini and Cristina Riccucci, pp 3349 DOI:10.1039/DT9940003349

Influence of electronic conjugation and steric effects on the crystal structures of imino- and hydrazido-derivatives of ferrocenecarbaldehyde Jack Silver, John R. Miller, Andrew Houlton and Mustafa T. Ahmet, pp 3355 DOI:10.1039/DT9940003355

Interaction of transition- and post-transition-metal ions with O2N2-donor macrocycles incorporating pendant pyridylmethyl groups Kenneth R. Adam, Leonard F. Lindoy, Brian W. Skelton, Suzanne V. Smith and Allan H. White, pp 3361 DOI:10.1039/DT9940003361

Yttrium(III) and lanthanide(III) metal complexes of an 18-membered hexaaza tetraimine macrocycle. Crystal structure of the gadolinium(III) complex S. W. Annie Bligh, Nick Choi, W. Jon Cummins, Evagors G. Evagorou, J. Duncan Kelly and Mary McPartlin, pp 3369 DOI:10.1039/DT9940003369

Synthesis and redox studies on ruthenium and osmium complexes with primary and secondary phosphines. Single-crystal structures of trans-[RuCl2(PPhH2)4] and trans-[OsCl2(PPh2H)4]·CH2Cl2 Alexander J. Blake, Neil R. Champness, Robin J. Forder, Christopher S. Frampton, Carole A. Frost, Gillian Reid and Rachel H. Simpson, pp 3377 DOI:10.1039/DT9940003377

Cyclopentadiene-, furan- and thiophene-derived 1,2-dioxolene complexes of platinum(II) and the crystal structure of [Pt{OCC(CO2Me)CH2C(CO2Me)CO}(PPh3)2] Julia A. Daldy, John Fawcett, William Henderson, Raymond D. W. Kemmitt and David R. Russell, pp 3383 DOI:10.1039/DT9940003383

Stereoselective alkyne insertion into a bridging hydride at a diiron centre: cis-trans isomerisation and metallacycle formation Graeme Hogarth and Mark H. Lavender, pp 3389 DOI:10.1039/DT9940003389

Carbonylation of the alkyl compounds [U(-C5H4R)3R] and rearrangement of the acyl derivatives [U(-C5H4R)3-(2-COR)] into C6H4RR. Influence of R and R(Me, Pri or But) and role of the solvent (benzene or totrahydrofuran) Claude Villiers and Michel Ephritikhine, pp 3397 DOI:10.1039/DT9940003397

Evidence for hydrogen bonding in solutions of 1-ethyl-3-methylimidazolium halides, and its implications for room-temperature halogenoaluminate(III) ionic liquids Anthony G. Avent, Penelope A. Chaloner, Martin P. Day, Kenneth R. Seddon and Thomas Welton, pp 3405 DOI:10.1039/DT9940003405

A series of rhodium(I) complexes, including carbene, vinylidene and allenylidene derivatives, with the bifunctional arsine Pri2AsCH2CH2OMe as ligand Peter Schwab and Helmut Werner, pp 3415 DOI:10.1039/DT9940003415

Non-linear optical materials containing molybdenum or tungsten mononitrosyl redox centres: diaromatic azo derivatives Benjamin J. Coe, Jean-Dominic Foulon, Thomas A. Hamor, Christopher J. Jones, Jon A. McCleverty, David Bloor, Graham H. Cross and Tony L. Axon, pp 3427 DOI:10.1039/DT9940003427

2,2:6,2-Terpyridine (terpy) acting as a fluxional bidentate ligand. Part 4. cis-[M(C6F5)2(terpy)](M = Pd or Pt): nuclear magnetic resonance studies of their solution dynamics and crystal structure of cis-[Pd(C6F5)2(terpy)] Edward W. Abel, Keith G. Orrell, Anthony G. Osborne, Helen M. Pain, Vladimir ik, Michael B. Hursthouse and K. M. Abdul Malik, pp 3441 DOI:10.1039/DT9940003441

Promotion of tetrahedral copper(I) dimers by chelation of 1,1-bis(diphenylphosphino)ferrocene (dppf). Crystal structures of [{CU(µ-X)(dppf-P,P)}2](X = O2CH, I or NO3) Soh Ping Neo, Zhong-Yuan Zhou, Thomas C. W. Mak and T. S. Andy Hor, pp 3451 DOI:10.1039/DT9940003451

Syntheses and crystal structures of nickel(II) complexes with thiolate or/and phosphine ligands Rong Cao, Maochun Hong, Feilong Jiang, Xiulan Xie and Hanqin Liu, pp 3459 DOI:10.1039/DT9940003459

Significant antiferromagnetic coupling in a terephthalate (ta)-bridged manganese(II) compound: preparation, crystal structure and magnetic properties of the chain [Mn2(bipy)4(ta)][ClO4]2(bipy = 2,2-bipyridine) Juan Cano, Giovanni De Munno, José Sanz, Rafael Ruiz, Francesc Lloret, Juan Faus and Miguel Julve, pp 3465 DOI:10.1039/DT9940003465

Dinitrogenvanadates(-I): synthesis, reactions and conditions for their stability Hartmut Gailus, Glaus Woitha and Dieter Rehder, pp 3471 DOI:10.1039/DT9940003471

Structures of potassium encapsulated within the 1,3-alternate conformation of calix[4]arenes Paul D. Beer, Michael G. B. Drew, Philip A. Gale, Philip B. Leeson and Mark I. Ogden, pp 3479 DOI:10.1039/DT9940003479

Tris(diphenylphosphino)methanide gold(III) complexes. Crystal structures of [Au(C6F5)2{(Ph2P)2CPPh2}] and [(F5C6)2Au{(Ph2P)2CPPh2}AuCl] Eduardo J. Fernández, M. Concepción Gimeno, Peter G. Jones, Birte Ahrens, Antonio Laguna, Mariano Laguna and José M. López de Luzuriaga, pp 3487 DOI:10.1039/DT9940003487

Seven-co-ordinate dibromo complexes of molybdenum(II) and tungsten(II) derived from [MBr2(CO)3(NCMe)2]. Crystal structures of the isostructural complexes [WX2(CO)3(NCMe)(SBPh3)]·Ch2Cl2(X = Br or I) Paul K. Baker, Michael B. Hursthouse, Alexander I. Karaulov, Aidan J. Lavery, K. M. Abdul Malik, David J. Muldoon and Andrew Shawcross, pp 3493 DOI:10.1039/DT9940003493

Synthesis and co-ordination chemistry of a new tripodal phosphine alcohol Tung-Ying Hsieh, Ming-Chu Cheng, Shie-Ming Peng and Shiuh-Tzung Liu, pp 3499 DOI:10.1039/DT9940003499

Synthesis, molecular structure and solution dynamics of dimeric benzamidinates containing a double diazaallyl lithium bridge. A rapid interconversion of and bonds Moris S. Eisen and Moshe Kapon, pp 3507 DOI:10.1039/DT9940003507

Dalton communication. Crystal structure and oxo-transfer properties of [NH4]2[WVIO2{O2CC(S)Ph2}2] Antonio Cervilla, Elisa Llopis, Antonio Ribera, Antonio Doménech and Ekkehard Sinn, pp 3511 DOI:10.1039/DT9940003511

Charge-transfer interactions between sulfur dioxide and group 8 half-sandwich complexes Chris Hall, Jeremy L. Harris, Adelle Killey, Tania P. Maddox, Stephen Palmer, Robin N. Perutz, A. Denise Rooney, Simon E. J. Goff, Sergei G. Kazarian and Martyn Poliakoff, pp 3515 DOI:10.1039/DT9940003515

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT994000viis

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX091

Issue 24

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FX093

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400FP153

Conference diary J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9940000ixd

Photochemical generation of 16-electron [Rh(5)-C5H5)-(PMe3)] and [Ir(5-C5H5)(PMe3)] in low-temperature matrices: evidence for methane activation Martin G. Partridge, Andrew McCamley and Robin N. Perutz, pp 3519 DOI:10.1039/DT9940003519

Reactions of monocyclopentadienyl complexes of molybdenum and tungsten with derivatives of phenols and pentafluorobenzeneselenol Jack L. Davidson, Birgit Holz, Pascal C. Leverd, W. Edward Lindsell and Nigel J. Simpson, pp 3527 DOI:10.1039/DT9940003527

Titanium oxo carboxylate compounds. Crystal and molecular structures of [{TiCl2(O2CEt)(ETCo2H)}2O] and [Ti3Cl3O2(O2CEt)5] and an unusual quantitative conversion of a Ti2O to a Ti3O2 oxo derivative Hazel Barrow, David A. Brown, Nathaniel W. Alcock, William Errington and Malcolm G. H. Wallbridge, pp 3533 DOI:10.1039/DT9940003533

Reactivity of neutral nitrogen donors in planar d8 metal complexes. Part 2. The system [2,6-bis(methylsulfanyl-methyl)pyridine]chloroplatinum(II) with pyridines and amines in methanol. Effect of basicity, -acceptor capacity and steric hindrance Bruno Pitteri, Giampaolo Marangoni and Lucio Cattalini, pp 3539 DOI:10.1039/DT9940003539

Rhenium(I) tricarbonyl halide complexes of pyrazolyl-bipyridine ligands. Part 1. Nuclear magnetic resonance studies of solution fluxionality Andrew Gelling, Keith G. Orrell, Anthony G. Osborne and Vladimir ik, pp 3545 DOI:10.1039/DT9940003545

Complexes of functionalised phosphine ligands. Part 1. Complexes of FeIII, CoIII, NiII and ReV with tridentate Schiff bases having PNO, NNO and NNS donor sets. Crystal structures of 2-(Ph2PC6H4NCH)C6H4OH and [Co{2-(Ph2PC6H4CHN)C6H4O}2][PF6] Jonathan R. Dilworth, Stuart D. Howe, Antony J. Hutson, John R. Miller, Jack Silver, Russell M. Thompson, Mary Harman and Michael B. Hursthouse, pp 3553 DOI:10.1039/DT9940003553

Synthesis and crystal structure of homoleptic uranium hexathiolates: [NEt2H2]2[U(SPh)6] and [(Ph3P)Cu(µ-SPh)3-U(µ-SPh)3Cu(PPh3)] Pascal C. Leverd, Monique Lance, Martine Nierlich, Julien Vigner and Michel Ephritikhine, pp 3563 DOI:10.1039/DT9940003563

Reactions of co-ordinated ligands. Part 58. The reaction of dimolybdenum µ-:2-(4e)-vinylidene complexes with proton sources and diazomethane; synthesis and crystal structure of the MoMo bonded complex [Mo2{µ-:2-CH2C(Ph)CH2}(CO)3(-C5H5)2][CF3SO3] Michael Bamber, Grainne C. Conole, Robert J. Deeth, Simon F. T. Froom and Michael Green, pp 3569 DOI:10.1039/DT9940003569

Co-ordination tendencies of two novel compartimental oxa-aza macrobicycles. Crystal structure of a CuII(H2O) inclusion complex Carla Bazzicalupi, Andrea Bencini, Antonio Bianchi, Vieri Fusi, Claudia Giorgi, Piero Paoletti and Barbara Valtancoli, pp 3581 DOI:10.1039/DT9940003581

Terdentate (P-N-O) complexes formed from Z,E-PPh2CH2C-(But)N-NCH(C6H4OH-2) or Z,E-PPh2CH2C(But)N-NCH-[C6H2(OH-2)(OMe)2-4,6] and nickel, palladium, platinum, rhodium or iridium King Kuok Hii, Sarath D. Perera and Bernard L. Shaw, pp 3589 DOI:10.1039/DT9940003589

Preparation of -diazines and -2-pyridylazines containing (1R)-(+)-camphor or (1R)-(-)-fenchone residues and their complexes with Group 6 metal carbonyls Bernard L. Shaw, Mark Thornton-Pett and Jonathan D. Vessey, pp 3597 DOI:10.1039/DT9940003597

Phosphorus-sulfur bond cleavage at a mixed-metal centre; reaction of [(OC)3Co(µ-PHCCH)Mo(CO)2(5-C5H5)] with PPh2(SPh) Scott L. Ingham, Martin J. Mays, Paul R. Raithby, Gregory A. Solan, Bharat V. Sundavadra, Gráainne Conole and Margarlith Kessler, pp 3607 DOI:10.1039/DT9940003607

Complexes of the platinum metals. Part 46. 1,1,1,5,5,5-Hexafluoro-3-azapentane-2,4-diiminato derivatives of ruthenium, osmium and iridium. Crystal structure of [Ru{NHC(CF3)NC(CF3)NH}H(CO)(PPh3)2] Michael B. Hursthouse, Muhammed A. Mazid, Stephen D. Robinson and Arvind Sahajpal, pp 3615 DOI:10.1039/DT9940003615

Bonding interaction between Group 10 and 11 metals. Synthesis, structure and properties of [M3(S2CNR2)6M2]2+(M = Pt or Pd; M= Ag or Cu; R = Et, Pri, Prn, Bun or C6H11) Masahiro Ebihara, Kenji Tokoro, Minobu Maeda, Masaki Ogami, Kaori Imaeda, Kenji Sakurai, Hideki Masuda and Takashi Kawamura, pp 3621 DOI:10.1039/DT9940003621

Design and synthesis of ionophores with multiple receptor sites: solution nuclear magnetic resonance studies of their interaction with chloride, sodium and potassium ions Kenneth I. Kinnear, David P. Mousley, Ezzidin Arafa and Joyce C. Lockhart, pp 3637 DOI:10.1039/DT9940003637

Kinetics of ternary complex formation between cobalt(II) species and 5-nitrosalicylic acid: the effect of charge David N. Hague and Andrew R. White, pp 3645 DOI:10.1039/DT9940003645

Spectroelectrochemical and flash photochemical reduction of 1,4,5,8-tetraazaphenanthrene and 1,4,5,8,9,12-hexaaza-triphenylene mono- and bi-metallic ruthenium(II) complexes Lise Tan-Sien-Hee and Andrée Kirsch-De Mesmaeker, pp 3651 DOI:10.1039/DT9940003651

Stereochemistry in tris(bidentate ligand)ruthenium(II) complexes containing unsymmetrical polypyridyl ligands Todd J. Rutherford, David A. Reitsma and F. Richard Keene, pp 3659 DOI:10.1039/DT9940003659

Conversion of acetonitrile into acetamide in the co-ordination spheres of cis- and trans-MII(amine)2(M = Pt or Pd). Solution and crystal structural studies Andrea Erxleben, Iipo Mutikainen and Bernhard Lippert, pp 3667 DOI:10.1039/DT9940003667

A luminescent heterometallic AuI CuI complex. Spectroscopic properties and crystal structures of [Au(PPh3)(C7H5N2)] and [(Au(PPh3)(µ-C7H5N2)Cu-(µ-C7H5N2)}2](C7H5N2= 7-azaindolate) Chi-Keung Chan, Chun-Xiao Guo, Kung-Kai Cheung, Dan Li and Chi-Ming Che, pp 3677 DOI:10.1039/DT9940003677

Preparation of new vanadium(II) iodides and crystal structure of hexakis(acetonitrile)vanadium(II)(tetraiodide) Peter B. Hitchcock, David L. Hughes, G. Jeffery Leigh, J. Roger Sanders, Jaisa De Souza, Celine J. McGarry and Leslie F. Larkworthy, pp 3683 DOI:10.1039/DT9940003683

Anthracycline anticancer drugs as effective ligands for terbium(III) ions Hayet Bel Haj-Tayeb, Marina M. L. Fialio, Arlette Garnier-Suillerot, Tamas Kiss and Henryk Kozlowski, pp 3689 DOI:10.1039/DT9940003689

Three-dimensional framework structures built of heptacyanotricadmate(II) units providing polyhedral cavities for guests: classification of the zeolite-like structures Takafumi Kitazawa, Shin-Ichi Nishikiori and Toschitake Iwamoto, pp 3695 DOI:10.1039/DT9940003695

Multinuclear magnetic resonance studies on aluminium chelates. Part i. Chelates with catechol and disodium 4,5-dihydroxybenzene-1,3-disulfonate Sunanda N. Mhatre, Sheshu B. Karweer, Padmanava Pradhan, Ramaswamy K. Iyer and Pervaje N. Moorthy, pp 3711 DOI:10.1039/DT9940003711

Rotational energy barrier in PtII-N7(purine) bonds by one- and two-dimensional nuclear magnetic resonance spectroscopy Dawei Li and Rathindra N. Bose, pp 3717 DOI:10.1039/DT9940003717

Kinetics of carbon monoxide exchange in chloro and bromo carbonyl complexes of palladium(II) and platinum(II) Anders Olsson, Andreas Roodt, Maria Bojczuk, Brian T. Heaton and Lars I. Elding, pp 3723 DOI:10.1039/DT9940003723

Binary and ternary complexes of nickel(II) with 2-aminomethylbenzimidazole and salicylaldehyde: kinetic and equilibrium studies Anadi C. Dash, Achyuta N. Acharya and Rama K. Sahoo, pp 3727 DOI:10.1039/DT9940003727

Kinetic studies on the oxidation of sulfur(IV) by nickel(IV) oxime-lmine complexes Santanu Bhattacharya, Mahammad Ali, Sumana Gangopadhyay and Pradyot Banerjee, pp 3733 DOI:10.1039/DT9940003733

Co-ordination of 1,4,7-tris(pyrazol-3-ylmethyl)-1,4,7-triazacyclononane with iron(III), nickel(II) and zinc(II). Crystal and molecular structures of [ML][ClO4]2·nH2O (M = Ni, n= 0.5; M = Zn, n= 1) Massimo Di Vaira, Fabrizio Mani and Piero Stoppioni, pp 3739 DOI:10.1039/DT9940003739

Radical intermediates in the reductive isomerisation of octahedral manganese carbonyl bipyridyl complexes; electrochemistry, electron spin resonance spectroscopy and molecular-orbital calculations Nathan C. Brown, Gabino A. Carriedo, Neil G. Connelly, Francisco J. García Alonso, Ian C. Quarmby, Anne L. Rieger, Philip H. Rieger, Victor Riera and Marilin Vivanco, pp 3745 DOI:10.1039/DT9940003745

Synthesis and crystal structure of the first trinuclear chloride-bridged platinum(II) complex with mutually perpendicular co-ordination planes: cyclo-tri-µ,-chloro-tris[chloro(1-hydroxy-1-imino-2,2-dimethylpropane)platinum(II)]-dichloromethane (0.5/1) Renzo Cini, Francesco P. Intini, Giovanni Natile and Concetta Pacifico, pp 3753 DOI:10.1039/DT9940003753

Interpretation of the electronic spectra of the confacial bioctahedral nonahalides [Ru2Cl9]3- and [Ru2Br9]3- using the SCF-X-SW method: location of the * transition Graham A. Heath and John E. McGrady, pp 3759 DOI:10.1039/DT9940003759

An alternating copper(II) chain with bridging azide and oxamidate ligands: crystal structure and magnetic properties of [Cu2(dmaeoxd)(N3)2(H2O)2] and [{Cu2(dmaeoxd)(N3)2}N]{H2dmaeoxd =N,N-bis[2-(dimethylamino)ethyl]oxamide} José Antonio Real, Rafael Ruiz, Juan Faus, Francese Lloret, Miguel Julve, Yves Journaux, Michèle Philoche-Levisalles and Claudette Bois, pp 3769 DOI:10.1039/DT9940003769

Additions and corrections Drahomír Hnyk, Paul T. Brain, Heather E. Robertson, David W. H. Rankin, Matthias Hofmann, Paul Von Ragué Schleyer and Michael Bühl, pp 3775 DOI:10.1039/DT9940003775

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT99400BX095