1988 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP001

Instructions for authors (1988) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT988000000v

Refereeing procedure and policy (1988) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9880000xxv

Synthesis and characterization of Ti5Te4-type molybdenum cluster compounds, AxMo5As4(A = Cu, Al, or Ga) Kirakodu Seetharama Nanjundaswamy and Jagannatha Gopalakrishnan, pp 1 DOI:10.1039/DT9880000001

Synthesis and thermal properties of adducts of trimethylindium with nitrogen-containing Lewis bases Douglas F. Foster, Simon A. Rushworth, David J. Cole-Hamilton, Rhoda Cafferty, Jane Harrison and Peter Parkes, pp 7 DOI:10.1039/DT9880000007

f-Element-crown ether complexes. Part 9. The role of solvent hydrogen bonding: synthesis and crystal structure of aquatetrachlorotris(ethanol)thorium(IV)-1,4,7,10,13,16-hexaoxacyclo-octadecane-water (1/1/1) Robin D. Rogers, Lynn K. Kurihara and Matthew M. Benning, pp 13 DOI:10.1039/DT9880000013

Reactions of acetylenes with noble metal carbonyl halides. Part 10. Synthesis and X-ray structural characterization of a new substituted diplatina-dioxapentalene complex [Cl(CO)Pt{CMeC(COOMe)C(O)}PtCl(PPh3)] Claudio Allevi, Roberto Della Pergola, Luigi Garlaschelli, Maria Carlotta Malatesta, Alberto Albinati and Fabio Ganazzoli, pp 17 DOI:10.1039/DT9880000017

197Au Mössbauer spectra of complexes of bis(diphenylphosphino)amine containing gold(I), gold(II), and gold(III) Laila S. Moore, R. V. (Dick) Parish, Rafael Usón, Antonio Laguna, Mariano Laguna and M. Nieves Fraile, pp 23 DOI:10.1039/DT9880000023

Cyclo-oligomerisation reactions of bis(alkyne) and 2-vinyl complexes of molybdenum and tungsten with t-butyl isocyanide leading to iminocyclopentadiene derivatives Jack L. Davidson and William F. Wilson, pp 27 DOI:10.1039/DT9880000027

Synthesis and structural studies of dimethylindium(III) complexes with polydentate nitrogen donor ligands, and of monomethylindium(III) complexes containing alkoxide-bridged binuclear cations Allan J. Canty, Louise A. Titcombe, Brian W. Skelton and Allan H. White, pp 35 DOI:10.1039/DT9880000035

The pH and temperature-dependent hydrolyses of [N,N-bis(2-aminoethyl)-1,2-ethanediamine]bis(solvent)cobalt(III) and bis(dimethylformamide)(1,4,7,10-tetra-azacyclododecane)cobalt(III) complexes Neville J. Curtis, Philip Hendry and Geoffrey A. Lawrance, pp 47 DOI:10.1039/DT9880000047

Synthesis and reactions of do imido aryl derivatives of chromium, molybdenum, and tungsten. Crystal structures of Cr(NBut)2(C6H2Me3-2,4,6)2, Mo(NBut)2(C6H3Me2-2,6)2, and Cr(NBut)2[C(C6H2Me3-2,4,6)NBut](C6H2Me3-2,4,6) Alice C. Sullivan, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 53 DOI:10.1039/DT9880000053

Spectroscopic studies on matrix isolated osmium pentafluoride oxide, osmium tetrafluoride oxide, and osmium difluoride trioxide Eric G. Hope, William Levason and J. Steven Ogden, pp 61 DOI:10.1039/DT9880000061

Binary and ternary metal complexes of guanosine: stability and thermodynamic parameters Badar T. Khan, Madhusudhan Raju and S. M. Zakeeruddin, pp 67 DOI:10.1039/DT9880000067

Neutral chain bromide- and iodide-bridged platinum(II,IV) complexes of 1,2-diaminoethane and thiocyanate: synthesis, electronic, infrared, Raman, and resonance-Raman studies Robin J. H. Clark and Vincent B. Croud, pp 73 DOI:10.1039/DT9880000073

Effect of geometrical isomerism on metal nuclear magnetic resonance chemical shifts in octahedral d6 transition-metal complexes Nenad Jurani, pp 79 DOI:10.1039/DT9880000079

An investigation of non-stoicheiometry in the systems SrFeO3 -y and SrCoO3 -y by iron and cobalt K-edge extended X-ray absorption fine structure spectroscopy Peter D. Battle, Terence C. Gibb and Andrew T. Steel, pp 83 DOI:10.1039/DT9880000083

Conjugate addition of acetylides to complexes of type [M(CO)4{(Ph2P)2CCH2}](M = Cr, Mo, or W): crystal structure of [M(CO)4{(Ph2P)2CCHCHCHPh}] formed by the base-catalysed isomerization of [M(CO)4{(Ph2P)2CHCH2CCPh}] Fatma S. M. Hassan, Bernard L. Shaw and Mark Thornton-Pett, pp 89 DOI:10.1039/DT9880000089

Crown thioether chemistry. Synthesis and structural investigation of 1,5,9-trithiacyclododecane (trithia-12-crown-3) and its copper(II) chloride adduct Simon C. Rawle, Gary A. Admans and Stephen R. Cooper, pp 93 DOI:10.1039/DT9880000093

Synthesis, crystal and molecular structure of tetraphenylarsonium bis(maleonitriledithiolato)tellurate(II), [AsPh4]2[Te(mnt)2], and single-crystal electron spin resonance spectra of the system [AsPh4]2[Cu/Te(mnt)2] Ljubo Goli, Wolfgang Dietzsch, Klaus Köhler, Joachim Stach and Reinhard Kirmse, pp 97 DOI:10.1039/DT9880000097

Low-spin six-co-ordinate cobalt(II) complexes. A solution study of tris(violurato)cobaltate(II) ions Enrique Garcia-España, Maria-Jesus Ballester, Francisco Lloret, José M. Moratal, Juan Faus and Antonio Bianchi, pp 101 DOI:10.1039/DT9880000101

Bonding in clusters. Part 9. The closo-nido relationship; an MNDO computational study Paul Brint and Benchang Sangchakr, pp 105 DOI:10.1039/DT9880000105

Polarised neutron diffraction study of spin localisation in Nb6I11 P. Jane Brown, Kurt R. A. Ziebeck, Arndt Simon and Michael Sägebarth, pp 111 DOI:10.1039/DT9880000111

Covalent bonding and spin density in cis-[Fe(bipy)2Cl2][FeCl4](bipy = 2,2-bipyridyl) studied by polarised neutron diffraction Brian N. Figgis, Philip A. Reynolds and J. Bruce Forsyth, pp 117 DOI:10.1039/DT9880000117

Substituent effects on rhenium and phosphorus hyperfine coupling constants of organometallic rhenium(0) radicals spin trapped by 9,10-phenanthroquinone and its derivatives Tong-Ing Ho, Cheu-Ming Chang, Sen Ren Wang and Cheu Pyeng Cheng, pp 123 DOI:10.1039/DT9880000123

Structural study of a new type of B12 model involving a non-symmetrical equatorial ligand; aquaethyl[N,N-ethylene(acetylacetonylideneiminato)-(salicylideneiminato)]cobalt(III) Marie-Hélène Darbieu, Françoise Dahan, Jean-Pierre Costes, Jean-Pierre Laurent and Gérard Cros, pp 129 DOI:10.1039/DT9880000129

Synthesis and thermal decomposition of palladacyclopentane derivatives of the type [Pd(CH2CHRCHRCH2)L2](R = H or Me). X-Ray crystal structure of [Pd(CH2CH2CH2CH2)(bipy)] Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, Tito Lumini, Fabio Marchetti, Victor Adovasio and Mario Nardelli, pp 133 DOI:10.1039/DT9880000133

o-Nitrophenylpalladium(II) complexes. Crystal and molecular structures of cis-[Pd{o-C6H4N(O)O}2] and cis-[Pd{o-C6H4N(O)O}(o-C6H4NO2)(py)] José Vicente, María T. Chicote, José Martín, Manuel Artigao, Xavier Solans, Manuel Font-Altaba and Magdalena Aguiló, pp 141 DOI:10.1039/DT9880000141

Iron-xanthate complexes [Fe(CO)2(-C5R5){SC(S)OEt}] and [Fe(CO)(-C5R5)(S2COEt)](R = H or Me). Synthesis and electrochemistry Moisés Morán, Isabel Cuadrado, Cristina Muñoz-Reja, José R. Masaguer and J. Losada, pp 149 DOI:10.1039/DT9880000149

Synthesis of benzyl- or pentafluorobenzyl-diphenylphosphonio(diphenylphosphino)methanide complexes of gold(I) and gold(III) and their use as C-donor ligands Rafael Usón, Antonio Laguna, Mariano Laguna, Isabel Lázaro and M. Teresa Tartón, pp 155 DOI:10.1039/DT9880000155

Synthesis and spectral characterization of cobalt(III) complexes of N-(o-carboxyphenyl)iminodiacetic acid Chinmay Chatterjee, Rajendrasen S. Singh, Alka Phulambrikar and Subroto Das, pp 159 DOI:10.1039/DT9880000159

A case of solid-state isomerism for a rhodium carbonyl cluster anion. Synthesis, characterization in solution and X-ray crystallographic structures of the salts [NMe4]3[Rh11(CO)23]·Me2CO and [NMe4]3[Rh11(CO)23]·C6H5Me Alessandro Fumagalli, Secondo Martinengo, Gianfranco Ciani, Angelo Sironi and Brian T. Heaton, pp 163 DOI:10.1039/DT9880000163

Stepwise construction of [Os6(CO)18(µ6-P)]-, a hexanuclear osmium cluster monoanion with trigonal-prismatic co-ordination for phosphorus: X-ray crystal structures of [Os6(µ-H)2(CO)20(MeCN)(µ3-PH)] and [PPh3Me][Os6(CO)18(µ6-P)] Stephen B. Colbran, Fernando J. Lahoz, Paul R. Raithby, Jack Lewis, Brian F. G. Johnson and Christine J. Cardin, pp 173 DOI:10.1039/DT9880000173

Photocatalytic dimerization of olefins by decatungstate(VI), [W10O32]4-, in acetonitrile and magnetic resonance studies of photoreduced species Toshihiro Yamase and Takashi Usami, pp 183 DOI:10.1039/DT9880000183

Synthesis and structural characterization of the molecular complex between bismuth trichloride and pyrene Ida Maria Vezzosi, Aline Franca Zanoli, Luigi Pietro Battaglia and Anna Bonamartini Corradi, pp 191 DOI:10.1039/DT9880000191

Ionization energies and thermal fragmentation patterns of gaseous cyclopolyarsanes and -phosphanes EnRn(E = As or P; R = Me, But, or CF3; n= 3-5): a joint temperature-variable field ionization mass spectrometric and ultraviolet photoelectron spectroscopic study Susanne Elbel, Helge Egsgaard and Lars Carlsen, pp 195 DOI:10.1039/DT9880000195

Nickel-iridium carbonyl clusters. Synthesis and solid-state structure of the trianion [Ir3Ni6(µ-CO)6(µ3-CO)2(CO)9]3-. The first example of a mixed iridium-nickel carbonyl cluster Roberto Della Pergola, Luigi Garlaschelli, Francesco Demartin, Mario Manassero, Norberto Masciocchi and Giuliano Longoni, pp 201 DOI:10.1039/DT9880000201

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 69. Reactions of [MoW(CC6H4Me-4)(CO)7(-C5H5)] with but-2-yne; crystal structures of [MoW{µ-C(C6H4Me-4)C(Me)C(Me)}(CO)3(-MeC2Me)2(-C5H5)] and [MoW{µ-C(C6H4Me-4)C(CH2)C(H)MeC(O)}(CO)6(-C5H5)]·0.5CH2Cl2 Esther Delgado, M. Esther Garcia, John C. Jeffery, Paul Sherwood and F. Gordon A. Stone, pp 207 DOI:10.1039/DT9880000207

X-Ray crystal structure identification of the ternary complex MgCl2·2SbCl3·6MeCN Michael G. B. Drew, Preet P. K. Claire and Gerald R. Willey, pp 215 DOI:10.1039/DT9880000215

triangulo-Trirhenium(III) alkyl compounds. The X-ray crystal structures of Re3(µ-Cl)1.5(µ-Me)1.5(CH2Ph)6 and Re3(µ-Me)3(CH2Ph)6 Anthony C. C. Wong, Peter G. Edwards, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 219 DOI:10.1039/DT9880000219

Rhodium(III) complexes with pyridine-2-thiol (pySH) and pyridine-2-thiolato (pyS) as the only ligands: crystal structures of mer-[Rh(pyS)3], [Rh(pyS)2(pySH)2]Cl·0.5H2O, and [Rh(pyS)3(pySH)] Antony J. Deeming, Kenneth I. Hardcastle, M. Nafees Meah, Paul A. Bates, Helen M. Dawes and Michael B. Hursthouse, pp 227 DOI:10.1039/DT9880000227

Notes. [RhPd2(pyS)4(3-C4H7)2][BF4]: synthesis and X-ray structure of a mixed-metal trinuclear complex containing two µ3-pyridine-2-thionato (pyS) ligands Antony J. Deeming, M. Nafees Meah, Paul A. Bates and Michael B. Hursthouse, pp 235 DOI:10.1039/DT9880000235

Studies on ruthenium(II) macrocyclic amine complexes. Synthesis and X-ray structure of the (R,S,R,R) isomer of trans-[RuII(L)(N3)(NCMe)]PF6(L = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) Chi-Ming Che, Ting-Fong Lai, Keung Lau and Thomas C. W. Mak, pp 239 DOI:10.1039/DT9880000239

A new route to potassium and ammonium pentaborate dihydrates, A[B5O6(OH)4]·2H2O (A = K or NH4), and synthesis and structural assessment of new fluoro(hydroxo)oxoborate dihydrates, A2[B2O2F2(OH)2]·2H2O (A = K or NH4) Mihir K. Chaudhuri and Bimalendu Das, pp 243 DOI:10.1039/DT9880000243

Electrochemical and spectroscopic studies on tetranuclear [{Re(µ3-X)(CO)3}4](X = Cl, Br, or I) and acetonitrile complexes derived therefrom Brian J. Brisdon, Dennis A. Edwards, Ingrid M. Towell, Gregory A. Moehring and Richard A. Walton, pp 245 DOI:10.1039/DT9880000245

Study of relative stabilities of the intermediates in catalytic carbon monoxide hydrogenation reactions: ab initio calculations on the model compounds [Fe(CO)2(PH3)2H2], [Fe(CO)2(PH3)2(CHO)H], [Fe(CO)2(PH3)2(CH2O)], and [Fe(CO)(PH3)2(CHO)2] M. Rosi, A. Sgamellotti, F. Tarantelli and C. Floriani, pp 249 DOI:10.1039/DT9880000249

X-Ray crystal structure and properties of tetrathiafulvalenium dicarbonyldichlororhodate(I) Gen-etsu Matsubayashi, Kenji Yokoyama and Toshio Tanaka, pp 253 DOI:10.1039/DT9880000253

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX003

Issue 2

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP005

Metal complexes of N-aryl-N-nitrosohydroxylamines: cleavage of N-N bonds to give metal nitrosyl species and organonitrogen compounds, and the crystal structure of [RhCl2{ONN(C6H4Me-p)O}(H2O)(PPh3)]·0.5Me2CO Mushtaq Ahmed, Anthony J. Edwards, Christopher J. Jones, Jon A. McCleverty, Anne S. Rothin and John P. Tate, pp 257 DOI:10.1039/DT9880000257

The crystal structures, magnetic and electrical properties of two polymeric chlorocuprate(II) compounds Luigi Pietro Battaglia, Anna Bonamartini Corradi, Urs Geiser, Roger D. Willett, Antonio Motori, Franco Sandrolini, Luciano Antolini, Tiziano Manfredini, Ledi Menabue and Gian Carlo Pellacani, pp 265 DOI:10.1039/DT9880000265

Kinetics of the reaction between hypochlorous acid and hexacyanoferrate(II) ion in aqueous solution Lee Hin-Fat, pp 273 DOI:10.1039/DT9880000273

Tetra-arylfluorophosphoranes Stephen J. Brown, James H. Clark and Duncan J. Macquarrie, pp 277 DOI:10.1039/DT9880000277

An improved route to the synthesis of µ-(alkane- or arene-thiolato)(µ-ethenyl)di-iron complexes. Crystal structure of µ-phenylmethanethiolato-µ-(1,2-diphenylethenyl)-hexacarbonyldi-iron(Fe-Fe) Josep Ros, Josep M. Viñas, René Mathieu, Xavier Solans and Mercé Font-Bardía, pp 281 DOI:10.1039/DT9880000281

Electron spin resonance studies of the solution photochemistry of octacyanotungstate(V) ions at 77 and 293 K Terence J. Kemp, Mark A. Shand and Detlef Rehorek, pp 285 DOI:10.1039/DT9880000285

Monometallic, homo- and hetero-bimetallic complexes based on redox-active tris(3,5-dimethylpyrazolyl)borato molybdenum and tungsten nitrosyls. Part 7. Compounds containing strongly interacting redox centres derived from para-substituted anilines and phenols Stephen M. Charsley, Christopher J. Jones, Jon A. McCleverty, Bryan D. Neaves, Sarah J. Reynolds and Gianfranco Denti, pp 293 DOI:10.1039/DT9880000293

Monometallic, homo- and hetero-bimetallic complexes based on redox-active tris(3,5-dimethylpyrazolyl)borato molybdenum and tungsten nitrosyls. Part 8. Complexes exhibiting weak or intermediate interaction between two redox centres Stephen M. Charsley, Christopher J. Jones, Jon A. McCleverty, Bryan D. Neaves and Sarah J. Reynolds, pp 301 DOI:10.1039/DT9880000301

Crystal and molecular structure of bis(tetraphenylphosphonium) bis(1,2-dicyanoethylene-1,2-dithiolato)oxovanadate(IV). Its single-crystal electron spin resonance as a pure compound and diluted in the isomorphous molybdenum(IV) compound David Collison, Frank E. Mabbs, John Temperley, George Christou and John C. Huffman, pp 309 DOI:10.1039/DT9880000309

Synthesis of the arene complex [{RuCl2(6-o-MeC6H4CO2Me)}2] and separation of its diastereomeric (-)(S)-1-phenylethylamine adducts Paolo Pertici, Piero Salvadori, Andrea Biasci, Giovanni Vitulli, Martin A. Bennett and Leon A. P. Kane-Maguire, pp 315 DOI:10.1039/DT9880000315

Iron-formaldehyde interaction: ab initio calculations on the model compounds [Fe(CO)4-n(PH3)n(2-CH2O)](n= 0, 2, or 4) Marzio Rosi, Antonio Sgamellotti, Francesco Tarantelli, Carlo Floriani and Martyn F. Guest, pp 321 DOI:10.1039/DT9880000321

Reactivity of cationic molybdenum(II) complexes. Part 1. Hydride reduction of the 18 electron complexes [Mo(CO)3(-C5Me5)L]+[L = PPh3 or P(OMe)3] and isolation of the thermally stable formyl complex cis-[Mo(CO)2(-C5Me5){P(OMe)3}(CHO)]. Crystal structure of [Mo(CO)3(-C5Me5)(PPh3)]BF4·0.5MeOH Piero Leoni, Eleonora Aquilini, Marco Pasquali, Fabio Marchetti and Michael Sabat, pp 329 DOI:10.1039/DT9880000329

Synthesis of Group 1B sandwich cluster compounds with [Pt3(µ-CO)3(PPh3)3] and the structural characterisation of [M{Pt3(µ-CO)3(PPh3)3}2]PF6(M = Au or Cu) by single-crystal X-ray techniques Malcolm F. Hallam, D. Michael P. Mingos, Trushar Adatia and Mary McPartlin, pp 335 DOI:10.1039/DT9880000335

Synthesis of pentafluorophenyl(ylide)silver(I) complexes: X-ray structures of two modifications of [Ag(C6F5)(CH2PPh3)] Rafael Usón, Antonio Laguna, Alfredo Usón, Peter G. Jones and Karen Meyer-Bäse, pp 341 DOI:10.1039/DT9880000341

Dicopper(I) complexes containing intramolecular 1,2-diaza bridging ligands. Behaviour of the dicopper site in the dehydrogenation of hydrazobenzene. Crystal structure of [Cu2L2(pydz)2][ClO4]2 Michael G. B. Drew, Paul C. Yates, Jadwiga Troch-Grimshaw, Aidan Lavery, Kieran P. McKillop, S. Martin Nelson and Jane Nelson, pp 347 DOI:10.1039/DT9880000347

Complexes of functional phosphines. Part 11. -Ketophosphine complexes of nickel, palladium, and platinum. Crystal structures of trans-[NiX2(HL)2][X = Cl or I, HL = Ph2PCH2C(O)Ph] Pierre Braunstein, Dominique Matt, Dominique Nobel, Fadila Balegroune, Salah-Eddine Bouaoud, Daniel Grandjean and Jean Fischer, pp 353 DOI:10.1039/DT9880000353

Synthesis, structure, and spectroscopic and magnetic properties of catena-µ-aqua-diaquabis(2,6-dimethoxybenzoato)metal(II) monohydrate complexes of manganese, cobalt, nickel, and zinc. X-Ray crystal structure of [Co(dmba)2(H2O)3]·H2O Liliana Strinna Erre, Giovanni Micera, Franco Cariati, Gianfranco Ciani, Angelo Sironi, Henryk Kozoski and Jerzy Baranowski, pp 363 DOI:10.1039/DT9880000363

Spectrophotometric and conductometric study of cobalt(II) bromide-dimethyl sulphoxide solutions Micha Pilarczyk and Lucyna Klinszporn, pp 369 DOI:10.1039/DT9880000369

Calorimetric study on oxygen addition to cobalt(II) complexes with tris(2-aminoethyl)amine and 3,7-diazanonane-1,9-diamine Sergio Cabani, Norberto Ceccanti and Maria Rosaria Tinè, pp 373 DOI:10.1039/DT9880000373

Some sterically hindered lithium alkylbromo- and alkylchloro-magnesates, -cadmates, and -manganates. Crystal and molecular structures of [Li(thf)2(µ-Br)2Mg{C(SiMe3)3}(thf)], [Li(thf)4][{Cd[C(SiMe3)3]}3(µ-Br)3(µ3-Br)]·0.5C6H12, [{Li(thf)}3(µ3-Br)3(µ3-OSiMe3)Cd{C(SiMe3)3}], and [Li(thf)4][{Mn[C(SiMe3)3]}3(µ-Cl)4(thf)](thf = tetrahydrofuran) Nabeel H. Buttrus, Colin Eaborn, Mohamed N. A. El-Kheli, Peter B. Hitchcock, J. David Smith, Alice C. Sullivan and Kayumars Tavakkoli, pp 381 DOI:10.1039/DT9880000381

A model for the interpretation of the absorption and circular dichroism spectra of tris(di-imine) complexes of iron(II) and ruthenium(II) Claude Daul and Carl Wilhelm Schlaepfer, pp 393 DOI:10.1039/DT9880000393

Synthesis and characterization of metal-free and metal derivatives of a novel soluble crown-ether-containing phthalocyanine Vefa Ahsen, Emel Yilmazer, Mümtaz Ertas and Özer Bekârolu, pp 401 DOI:10.1039/DT9880000401

Preparation and characterization of diorgano- and dihalogeno-bis(monothio--diketonato)tin(IV) complexes. Crystal and molecular structures of SnY2(btbm)2 and SnY2(tacac)2(Y = Me or Cl) Channareddy Sreelatha, Dileep K. Srivastava, Vishnu D. Gupta and Heinrich Nöth, pp 407 DOI:10.1039/DT9880000407

Complexes of the platinum metals. Part 33. Synthesis of some ruthenium and osmium sulphonate derivatives: X-ray crystal structure of aqua(carbonyl)bis(toluene-p-sulphonato)bis(triphenylphosphine)ruthenium(II) P. Alexander Harding, Stephen D. Robinson and Kim Henrick, pp 415 DOI:10.1039/DT9880000415

Potentiometric study on the complex-formation equilibria between 2-amino-N-hydroxyhexanamide and -amino-1H-indole-3-N-hydroxypropanamide and cobalt(II), nickel(II), copper(II), and hydrogen ions in aqueous solution Enrico Leporati, pp 421 DOI:10.1039/DT9880000421

Chemistry of metallacyclobutanones. Part 4. The synthesis of 1,3-diphenyl-substituted oxodimethylenemethane complexes of platinum(II) and palladium(II)via the dianion [PhCHC(O)CHPh]2-, and the X-ray crystal structure of [Pt{3-CHPhC(O)CHPh}(AsPh3)2]·2CH2Cl2 Kwok W. Chiu, William Henderson, Raymond D. W. Kemmitt, Lesley J. S. Prouse and David R. Russell, pp 427 DOI:10.1039/DT9880000427

Synthesis, reactions and copper(II), nickel(II), and zinc(II) complexes of N-(2-pyridinyl)ketothioacetamides Peter Iliopoulos and Keith S. Murray, pp 433 DOI:10.1039/DT9880000433

The thermochemistry of ammonium compounds and the energy barrier opposing ammonium ion reorientation David A. Johnson, pp 445 DOI:10.1039/DT9880000445

The molecular structure of gaseous trimethylarsenic difluoride as determined by electron diffraction Anthony J. Downs, Michael J. Goode, G. Sean McGrady, Ian A. Steer, David W. H. Rankin and Heather E. Robertson, pp 451 DOI:10.1039/DT9880000451

Acid-catalysed additions of acetylenes to [XPd(µ-Ph2PCH2PPh2)2PdX](X = Cl, Br, or I) to give dimetallated olefin complexes of type [XPd(µ-Ph2PCH2PPh2)2(µ-HCCR)PdX](R = H, Ph, or C6H4Me-p) Simon J. Higgins and Bernard L. Shaw, pp 457 DOI:10.1039/DT9880000457

Sulphonation of palladium-carbon bonds: synthesis and X-ray crystal structures of the disulphinato derivatives [Pd{S(O)2CH2CH2CH2CH2S(O)2}(tmen)](tmen = Me2NCH2CH2NMe2) and [Pd{S(O)2Me}2(tmen)] Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, Tito Lumini, Fabio Marchetti, Stefano Merlino, Victor Adovasio and Mario Nardelli, pp 461 DOI:10.1039/DT9880000461

Tetragonal co-ordination polymers of rhodium(I) with stereochemically rigid aryl di-isocyanide linkages Irene Feinstein-Jaffe, Felix Frolow, Lorenz Wackerle, Alexander Goldman and Avi Efraty, pp 469 DOI:10.1039/DT9880000469

Reactions of phosphine, arsine, and stibine with carbonylbis(triethylphosphine)iridium(I) halides. Part 2. Reactions in dichloromethane E. A. V. Ebsworth and Richard A. Mayo, pp 477 DOI:10.1039/DT9880000477

The crystal structure of nonachlorodimolybdenum(V) heptachlorodioxodimolybdate(V) Anthony J. Edwards and David R. Slim, pp 485 DOI:10.1039/DT9880000485

The solution behaviour of [Rh2(COMe)2(CO)2I6]2-, its reactions with CO, pyridine, and methanol, and the X-ray structure of [AsPh4][Rh(COMe)(CO)(NC5H5)I3] Harry Adams, Neil A. Bailey, Brian E. Mann, Christopher P. Manuel, Catriona M. Spencer and Alexander G. Kent, pp 489 DOI:10.1039/DT9880000489

Synthesis of a thirteen-membered tetra-azamacrocycle employing formaldehyde and nitroalkanes directed by metal ions. Crystal structures of (12-methyl-12-nitro-1,4,7,10-tetra-azacyclotridecane)copper(II) perchlorate and µ-chloro-1,1,1-trichloro-2-(12-methyl-12-nitro-1,4,7,10-tetra-azacyclotridecane)dicopper(II) Peter Comba, Neil F. Curtis, Geoffrey A. Lawrance, Margaret A. O'Leary, Brian W. Skelton and Allan H. White, pp 497 DOI:10.1039/DT9880000497

Complexes of 1,1,2-tris(diphenylphosphino)ethane with Group 6 metal carbonyls Jonathan L. Bookham, William McFarlane and Ian J. Colquhoun, pp 503 DOI:10.1039/DT9880000503

Mechanistic studies on iron phosphine complexes. Part 1. Protonation and substitution of trans-[FeH(X)(diphosphine)2](X = Cl or Br, diphosphine = Et2PCH2CH2PEt2 or Ph2PCH2CH2PPh2) Richard A. Henderson, pp 509 DOI:10.1039/DT9880000509

Mechanistic studies on iron phosphine complexes. Part 2. Protonation and substitution reactions of dinitrogen complexes Richard A. Henderson, pp 515 DOI:10.1039/DT9880000515

Stereochemical non-rigidity of dithioether complexes of trimethylplatinum(IV) halides. X-Ray crystal structures of [PtClMe3(MeSCH2CH2SEt)] and [PtIMe3(MeSCH2CH2SBut)] Edward W. Abel, Ian Moss, Keith G. Orrell, Vladimir ik, David Stephenson, Paul A. Bates and Michael B. Hursthouse, pp 521 DOI:10.1039/DT9880000521

Notes. Synthesis and crystal structure of tris[bis(trimethylsilyl)amido]oxoniobium(V): a four-co-ordinated oxo niobium precursor Liliane G. Hubert-Pfalzgraf, Mitsukimi Tsunoda and Guy Le Borgne, pp 533 DOI:10.1039/DT9880000533

Reactivity of ethylenebis(dithiocarbamate) and diethyldithiocarbamate ligands towards phosphine complexes of nickel(II) A. Gutiérrez Alonso and L. Ballester Reventós, pp 537 DOI:10.1039/DT9880000537

Solvent effects on the protonation constants of N,N-bis(2-carbamoylethyl)ethylenediamine and the equilibrium constants for its copper(II) complexes in methanol-water mixtures Ching-Hohn Len and Chung-Sun Chung, pp 541 DOI:10.1039/DT9880000541

Side-on bonded nitrosobenzene bridging two metal atoms, in a binuclear cyclopentadienyl cobalt complex: crystal structure of [{Co(cp)}2(µ-PhNO)2] Sergio Stella, Carlo Floriani, Angiola Chiesi-Villa and Carlo Guastini, pp 545 DOI:10.1039/DT9880000545

Octabutoxyphthalocyanine, a new electron donor Dieter Wöhrle and Volker Schmidt, pp 549 DOI:10.1039/DT9880000549

Diazoalkane complexes of molybdenum and tungsten via hydrazido(2-) complexes Wasif Hussain, G. Jeffery Leigh, Hapipah Mohd. Ali and Christopher J. Pickett, pp 553 DOI:10.1039/DT9880000553

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX007

Issue 3

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP009

Mechanism of the reaction of [Mo(-C6H6)(Me2PCH2CH2PMe2)(-C2H4)H]+ with PMe3 giving [Mo(-C6H5Et)(dmpe)(PMe3)H]+: metal-to-ring migration of an ethyl group Heather E. Bunting, Malcolm L. H. Green and Paul A. Newman, pp 557 DOI:10.1039/DT9880000557

Synthesis, single-crystal X-ray structures, and fluxional behaviour of 1,2-[Os3(CO)10(µ-dppe)] and its protonated derivative 1,2-[Os3(µ-H)(CO)10(µ-dppe)][PF6] where dppe = Ph2PCH2CH2PPh2 Antony J. Deeming, Susan Donovan-Mtunzi, Kenneth I. Hardcastle, Shariff E. Kabir, Kim Henrick and Mary McPartlin, pp 579 DOI:10.1039/DT9880000579

A novel co-ordination mode for the squarate ligand [dihydroxycyclobutenedionate(2-)]: synthesis, crystal structure, and magnetic properties of catena-diaqua(2,2-bipyridyl)-µ-(squarato-O1,O2)-nickel(II) dihydrate Régis Solules, Françoise Dahan, Jean-Pierre Laurent and Paule Castan, pp 587 DOI:10.1039/DT9880000587

Formation and reaction of trichloro complexes of bivalent transition metals in 1,2-dichloroethane Keiichi Satoh, Toshio Suzuki and Kiyoshi Sawada, pp 591 DOI:10.1039/DT9880000591

Reactivity and mechanism in the oxidative addition of iodoalkanes and di-iodoalkanes to a dimethylplatinum(II) complex Patrick K. Monaghan and Richard J. Puddephatt, pp 595 DOI:10.1039/DT9880000595

Kinetics of oxidation of uranium(IV) by permanganate ion in aqueous perchlorate media Refat M. Hassan, Mahmoud A. Mousa and Salah A. El-Shatovry, pp 601 DOI:10.1039/DT9880000601

Kinetics and mechanism of oxidation of -phenylalanine by permanganate ion in aqueous perchloric acid Refat M. Hassan, Mahmoud A. Mousa and Moustafa H. Wahdan, pp 605 DOI:10.1039/DT9880000605

Technetium(V) and rhenium(V) complexes with Schiff-base ligands containing the ONNNO donor atom set. Crystal structure of [N,N-3-azapentane-1,5-diylbis(salicylideneiminato)(3-)-O,O,N,N,N]-oxotechnetium(V) Fiorenzo Refosco, Francesco Tisato, Ulderico Mazzi, Giuliano Bandoli and Marino Nicolini, pp 611 DOI:10.1039/DT9880000611

Syntheses and solid-state structures of trimeric dibenzylamidolithium and its diethyl ether and hexamethylphosphoramide dimeric complexes: an explanation of these structures and evidence for Li CH interactions in both solid and solution phases David R. Armstrong, Robert E. Mulvey, Gordon T. Walker, Donald Barr, Ronald Snaith, William Clegg and David Reed, pp 617 DOI:10.1039/DT9880000617

The synthesis of di- and tetra-nuclear p-cymene-osmium hydride complexes; characterisation by 1H(187Os) reverse INEPT two-dimensional nuclear magnetic resonance spectroscopy Javier A. Cabeza, Brian E. Mann, Peter M. Maitlis and Christian Brevard, pp 629 DOI:10.1039/DT9880000629

Reactivity of cationic molybdenum(II) complexes. Part 2. Electrochemical reduction of the eighteen-electron complexes [Mo(CO)3(5-C5Me5)L]+[L = CO, p-MeC6H4NC, or P(OMe)3]. Crystal structure of [Mo2(CO)6(5-C5Me5)2] Piero Leoni, Fabio Marchetti, Marco Pasquali and Piero Zanello, pp 635 DOI:10.1039/DT9880000635

Manganese (IV) and manganese (V) complexes with N-(2-hydroxyphenyl)-salicylamides Masayuki Koikawa, Hisashi kawa and Sigeo Kida, pp 641 DOI:10.1039/DT9880000641

Raman spectra of some transition-metal imido complexes William P. Griffith, Alastair J. Nielson and Michael J. Taylor, pp 647 DOI:10.1039/DT9880000647

Iridium(III)cis-dihydrido complexes with 3,6-bis(2-pyridyl)pyridazine. Crystal structure of the pyridazinyl complex [{IrH2(PPh3)2}2{µ-C4HN2(C5H4N)2-3,6}]PF6 Anna Maria Manotti Lanfredi, Antonio Tiripicchio, Franco Ugozzoli, Mauro Ghedini and Francesco Neve, pp 651 DOI:10.1039/DT9880000651

Formation and structure of [Ni3(µ3-S)(µ-SMe)3(SMe)3]2-, a cyclic trinuclear metal-sulphide-thiolate cluster with simple monofunctional thiolate ligands Gerald Henkel, Michael Kriege and Keiji Matsumoto, pp 657 DOI:10.1039/DT9880000657

Synthesis, spectroscopic, magnetic and electrochemical properties of diruthenium-(II,III) and -(III,III) complexes containing the mixed-carboxylato ligand systems CH3CO2--CF3CO2- and C6H5CO2--CF3CO2- Paula Higgins and G. Malachy McCann, pp 661 DOI:10.1039/DT9880000661

Synthesis of homoleptic tetrahedral aryls of rhenium(IV) and ruthenium(IV). X-Ray crystal structures of tetrakis(o-methylphenyl)rhenium(IV), tetrakis(o-methylphenyl)oxorhenium(VI), and tetrakis(o-methylphenyl)-ruthenium(IV) Paul D. Savage, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 669 DOI:10.1039/DT9880000669

Stereochemical non-rigidity in rhodium-triruthenium clusters studied by nuclear magnetic resonance spectroscopy W. Edward Lindsell, Neil M. Walker and Alan S. F. Boyd, pp 675 DOI:10.1039/DT9880000675

Complexes of ligands providing endogenous bridges. Part 5. Solution studies on a novel 3 + 3 hexamine Schiff-base macrocyclic complex of lanthanum David E. Fenton, Simon J. Kitchen, Catriona M. Spencer, Sergio Tamburini and P. Alessandro Vigato, pp 685 DOI:10.1039/DT9880000685

Unusual changes in hyperfine coupling constants observed for copper(II) complexes with N,N-bis(benzimidazol-2-ylmethyl)amine and its homologues; X-ray crystal structure determinations of [CuLPri(NO3)(MeOH)]NO3, [CuLBut(NO3)(MeOH)]NO3, [CuLBun(NO3)]NO3, and [CuLBui(NO3)]NO3 Yuzo Nishida and Kazuhiro Takahashi, pp 691 DOI:10.1039/DT9880000691

Reactions of pentafluorophenyl(ylide)-silver(I) or -gold(I) complexes with chlorobis(pentafluorophenyl)thallium(III) Rafael Usón, Antonio Laguna, Mariano Laguna, Alfredo Usón and M. Concepción Gimeno, pp 701 DOI:10.1039/DT9880000701

Hydrofluoric and hydrochloric acid behaviour in concentrated saline solutions Simon L. Clegg and Peter Brimblecombe, pp 705 DOI:10.1039/DT9880000705

Kinetic studies of the complexation of oxalate to hexa-aquairidium(III) Marion R. McMahon, Alison McKenzie and David T. Richens, pp 711 DOI:10.1039/DT9880000711

Analysis of multinuclear lanthanide induced shifts. Part 5. The co-ordination polyhedron of 1 : 3 lanthanide(III)-glycolate complexes in aqueous solution Joop A. Peters, Maarten S. Nieuwenhuizen, Antonius P. G. Kieboom and Douglas J. Raber, pp 717 DOI:10.1039/DT9880000717

Preparation and reactions of [Fe(Ph2PCH2PPh2-P)(CO)(COMe)(5-C5H5)] and its derivatives Bernard L. Shaw, Martin J. Smith and Geoffrey N. Stretton, pp 725 DOI:10.1039/DT9880000725

Preparation and properties of inclusion compounds of ferrocene and its derivatives with cyclodextrins Akira Harada, Ying Hu, Shyoko Yamamoto and Shigetoshi Takahashi, pp 729 DOI:10.1039/DT9880000729

Oxidation of ascorbic acid by copper(II) and the ferrocenium ion in acetonitrile-water mixtures Brian G. Cox, Wojciech Jedral and Josefina Palou, pp 733 DOI:10.1039/DT9880000733

Organo-platinum-iron complexes containing one bridging Ph2PCH2PPh2 ligand. Crystal structures of [(OC)3Fe(µ-dppm)(µ-CO)Pt(PPh3)], [(OC)2Fe(µ-dppm){µ-C(O)C2H2}Pt(PPh3)], and [(OC)3Fe(µ-dppm)(µ-CMeCH2)Pt(PPh3)][BF4] Xavier L. R. Fontaine, Grant B. Jacobsen, Bernard L. Shaw and Mark Thornton-Pett, pp 741 DOI:10.1039/DT9880000741

The heteronuclear cluster chemistry of the Group 1B metals. Part 5. X-Ray crystal structure and dynamic behaviour of the heptanuclear mixed-metal cluster [Au3Ru4(µ-H)(CO)12(µ-Ph2PCH2PPh2)(PPh3)] Trushar Adatia, Mary McPartlin and Ian D. Salter, pp 751 DOI:10.1039/DT9880000751

The heteronuclear cluster chemistry of the Group 1B metals. Part 6. Synthesis, structures, and dynamic behaviour of the bimetallic hexanuclear Group 1B metal cluster compounds [M2Ru4(µ3-H)2{µ-Ph2P(CH2)nPPh2}(CO)12](M = Cu or Ag, n= 1-6). X-Ray crystal structures of [Cu2Ru4(µ3-H)2{µ-Ph2P(CH2)nPPh2}(CO)12](n= 2, 3, or 5) Scott S. D. Brown, Ian D. Salter and Loïc Toupet, pp 757 DOI:10.1039/DT9880000757

Bimetallic complexes of platinum, rhodium, or copper bridged by Ph2PCH2PPh2 or Ph2PC(CH2)PPh2 to diazenidorhenium groups; crystal structure of [(4-MeC6H4N2)ClRe(µ-dppm)2(µ-CO)PtCl]·2Me2CO Stuart W. Carr, Xavier L. R. Fontaine, Bernard L. Shaw and Mark Thornton-Pett, pp 769 DOI:10.1039/DT9880000769

Synthesis and characterization of a new double perovskite: LaCaMnCoO6 María Vallet-Regí, Ester García and José M. González-Calbet, pp 775 DOI:10.1039/DT9880000775

An iron-57 and gold-197 Mössbauer spectroscopic investigation of the bonding in two gold-iron cluster compounds R. V. (Dick) Parish, Laila S. Moore, Annick J. D. Dens, D. Michael P. Mingos and Darren J. Sherman, pp 781 DOI:10.1039/DT9880000781

Metallation of aliphatic carbon atoms. Part 5. Synthesis and characterization of the cyclopalladated complexes of 2-(trimethylsilyl)pyridine and their dynamic behaviour observed by proton nuclear magnetic resonance spectroscopy Yoshio Fuchita, Motoharu Nakashima, Katsuma Hiraki, Masanori Kawatani and Kohji Ohnuma, pp 785 DOI:10.1039/DT9880000785

Notes. Carbon-13 and oxygen-17 nuclear magnetic resonance relaxation studies of [M3(CO)12] derivatives (M = Fe, Ru, or Os) Silvio Aime, Mauro Botta, Roberto Gobetto and Domenico Osella, pp 791 DOI:10.1039/DT9880000791

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX011

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP013

Reductive nitrosylation of tetraoxometallates. Part 14. Generation and proton induced disproportionation of the Re(NO)3+ moiety. Synthesis, characterisation, and electrochemistry of novel hydroxo- and halogenonitrosyl complexes of rhenium Ramgopal Bhattacharyya, Partha S. Roy and Anup K. Dasmahapatra, pp 793 DOI:10.1039/DT9880000793

Solid-state structures of platinum-sulphur-nitrogen stacking compounds: [Pt(S2N2)(PMe2Ph)2], [Pt(S2N2H)(PMe2Ph)2]Cl, [Pt(S2N2H)(PMe2Ph)2]PF6, and [Pd(S2N2H)(PMe2Ph)2]BF4 Ray Jones, Paul F. Kelly, David J. Williams and J. Derek Woollins, pp 803 DOI:10.1039/DT9880000803

Production of binary oxides by photolysis of M(CO)6 molecules (M = Cr, Mo, or W) isolated in O2-doped argon matrices Matthew J. Almond and Anthony J. Downs, pp 809 DOI:10.1039/DT9880000809

The synthesis, using hexamethyldialuminium, and reactivity of new (1-5--cyclopentadienyl)methyl(nitrosyl)molybdenum complexes. Crystal structure of bromo(5-cyclopentadienyl)methyl(nitrosyl)(triphenylphosphine)-molybdenum Bernardo Alegre, Ernesto de Jesús, Amelio Vázquez de Miguel, Pascual Royo, Anna Maria Manotti Lanfredi and Antonio Tiripicchio, pp 819 DOI:10.1039/DT9880000819

Hydrido-clusters derived by protonation, hydrogenation, or photolytic decarbonylation of the chelating diphosphine compounds 1,1-[Os3(CO)10(diphosphine)] where diphosphine is Ph2PCH2CH2PPh2 or Ph2PCH2CH2CH2PPh2, and crystal structure of [OsH2{Ph2P(CH2)3PC6H4}(CO)8]·0.5CH2Cl2 Antony J. Deeming, Kenneth I. Hardcastle and Shariff E. Kabir, pp 827 DOI:10.1039/DT9880000827

Synthesis, characterization, and electrochemistry of dicyclopentadienylsiloxane-bridged dicarbonyldi-iron Moisés Morán, Isabel Cuadrado, José R. Masaguer and José Losada, pp 833 DOI:10.1039/DT9880000833

Copper(II) complexes of tetradentate Schiff-base ligands derived from aminothioetherimidazoles. Crystal structure determination of {N-2-[(5-methylimidazol-4-yl)methylthio]ethylsalicylideneiminato(1-)-O,N,N,S}-copper(II) perchlorate Neil A. Bailey, Rufina Bastida, David E. Fenton, Susan J. Lockwood and Colin H. McLean, pp 839 DOI:10.1039/DT9880000839

Synthesis and characterization of technetium(III) complexes with Schiff-base and phosphine ligands. Molecular structure of (diethylphenylphosphine)[N-(2-oxidophenyl)salicylideneiminato-NOO](quinolin-8-olato-NO)technetium(III) Ulderico Mazzi, Fiorenzo Refosco, Francesco Tisato, Giuliano Bandoli and Marino Nicolini, pp 847 DOI:10.1039/DT9880000847

Pillar chemistry. Part 4. Palladium(II)-2,2-bipyridyl, -1,10-phenanthroline, and -2,9-dimethyl-1,10-phenanthroline complex pillars in -zirconium phosphate Carla Ferragina, Maria A. Massucci, Pasquale Patrono, Aldo La Ginestra and Anthony A. G. Tomlinson, pp 851 DOI:10.1039/DT9880000851

X-Ray photoelectron diffraction studies of the micas lepidolite and biotite Lynne A. Ash, Stephanie L. Clark, Stephen Evans and Anthony G. Hiorns, pp 859 DOI:10.1039/DT9880000859

Surface acidity of the layered pyrophosphates of quadrivalent Ti, Zr, Ge, and Sn and their activity in some acid-catalysed reactions Gianguido Ramis, Guido Busca, Vincenzo Lorenzelli, Aldo La Ginestra, Paola Galli and Maria Antonietta Massucci, pp 881 DOI:10.1039/DT9880000881

A potentiometric and spectroscopic study of the interaction of angiotensin II and some of its peptide fragments with copper(II) Brigitte Decock-Le Reverend, Ferid Liman, Cynara Livera, Leslie D. Pettit, Simon Pyburn and Henryk Kozlowski, pp 887 DOI:10.1039/DT9880000887

Rhodium complexes possessing the unidentate anion of 2,4-pentanedione as a ligand; X-ray crystal structure of carbonyl(2,4-pentanedionato-O)bis(tri-isopropylphosphine)rhodium(I) Shin-ichi Yoshida, Yuji Ohgomori, Yoshihisa Watanabe, Kazumasa Honda, Midori Goto and Masayasu Kurahashi, pp 895 DOI:10.1039/DT9880000895

Reactivity of rhenium(I) pseudo-allyl complexes with heterocumulenes. Part 2. Insertion reactions. Crystal structures of the thiazolyl-thioureido and -dithiocarbamato complexes [Re(CO)2(PPh3)2{SC(NPh)NMe(C3H2NS)}]·CH2Cl2 and [Re(CO)2(PPh3)2{S2CNMe(C3H2NS)]·CH2Cl2(C3H2NS = thiazol-2-yl) Roberto Rossi, Andrea Marchi, Adriano Duatti, Luciano Magon, Umberto Casellato and Rodolfo Graziani, pp 899 DOI:10.1039/DT9880000899

Kinetics and mechanisms of the reactions of nickel(II) with 4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dione in aqueous solution Michael J. Hynes and Dermot F. Kelly, pp 905 DOI:10.1039/DT9880000905

Co-ordination behaviour of N-protected aspartic acid in binary and ternary copper(II) complexes. Crystal and molecular structure of [N-acetyl-L-aspartato(2-)-o]bis(2,2-bipyridine)copper(II)-ethanol tetrahydrate Luciano Antolini, Ledi Menabue, Monica Saladini, Luigi Pietro Battaglia, Anna Bonamartini Corradi and Giovanni Micera, pp 909 DOI:10.1039/DT9880000909

Synthesis, reactivity, and spectroscopic studies of some tetranuclear osmium clusters. Structural characterization of [Os4H(CO)12{µ3-NC(O)Me}{M(PPh3)}](M = Au or Cu) and [N(PPh3)2][Os4H2(CO)12I] Jose Puga, Alejandro Arce, Roberto A. Sanchez-Delgado, Julian Ascanio, Antida Andriollo, Dario Braga and Fabrizia Grepioni, pp 913 DOI:10.1039/DT9880000913

Organoruthenaborane chemistry. Part 6. The reaction of [{Ru(6-C6Me6)Cl2}2] with the closo-[B10H10]2- anion: characterisation of some closo-type eleven-vertex 1-ruthenaundecaboranes and the molecular structure of [5-(-6-C6Me6)-6-(OMe)-nido-5-RuB9H12] Mark Bown, Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 925 DOI:10.1039/DT9880000925

Trifluoromethanesulphonato-O complexes of platinum(II) and palladium(II) Catherine Diver and Geoffrey A. Lawrance, pp 931 DOI:10.1039/DT9880000931

Dinuclear metal complexes. Part 8. Effect of remote substituents on the redox potentials of mono- and di-nuclear copper(II) complexes Bibhutosh Adhikary, Sanat K. Mandal and Kamalaksha Nag, pp 935 DOI:10.1039/DT9880000935

Anaerobic oxidation of cysteine to cystine by iron(III). Part 1. The reaction in acidic solution Reginald F. Jameson, Wolfgang Linert, Axel Tschinkowitz and Viktor Gutmann, pp 943 DOI:10.1039/DT9880000943

Selective hydrogenation of PhCHCHCOMe to the unsaturated alcohol catalysed by [IrH3(PR3)3](R = alkyl or aryl) Erica Farnetti, Jan Kapar, Roberto Spogliarich and Mauro Graziani, pp 947 DOI:10.1039/DT9880000947

Possible biological activity in proton, metal, and aminohydroxamic acid equilibria. Protonation and complex formation reactions between N-hydroxy-D-asparagine and cobalt(II), nickel(II), copper(II), and hydrogen ions in aqueous solution Enrico Leporati, pp 953 DOI:10.1039/DT9880000953

Analysis of multinuclear lanthanide induced shifts. Part 6. Structures of lanthanide(III) tris(oxydiacetate) complexes in aqueous solution Joop A. Peters, pp 961 DOI:10.1039/DT9880000961

X-Ray crystal structure of bis(N-ethylpyridinum) bis[4,5-dimercapto-1,3-dithiole-2-thionato(2-)]cuprate(II) and electrical properties of its oxidized salts Gen-etsu Matsubayashi, Kei Takahashi and Toshio Tanaka, pp 967 DOI:10.1039/DT9880000967

Infrared, Raman, and resonance-Raman spectra of [Mo2(O2CCH3)4] and [Mo2(O2CCD3)4] Robin J. H. Clark, Andrew J. Hempleman and Mohamedally Kurmoo, pp 973 DOI:10.1039/DT9880000973

A single-crystal electron spin resonance study of manganese(II)-doped zinc maleate tetrahydrate M. Vithal and R. Jagannathan, pp 983 DOI:10.1039/DT9880000983

Lewis-base adducts of main Group 1 metal compounds. Part 2. Syntheses and structures of [Li4Cl4(pmdien)3] and [LiI(pmdien)] Colin L. Raston, Brian W. Skelton, Claire R. Whitaker and Allan H. White, pp 987 DOI:10.1039/DT9880000987

Lewis-base adducts of main Group 1 metal compounds. Part 3. Synthesis and structural systematics of [LiXL3] and [L2LiX2LiL2] systems (X = Cl, Br, or I; L = 3,5-Me2C5H3N, L= 2-MeC5H4N) Colin L. Raston, Claire R. Whitaker and Allan H. White, pp 991 DOI:10.1039/DT9880000991

Matrix isolation and mass spectrometric studies on the vaporisation of OsO2F3: characterisation of molecular OsO2F3 Eric G. Hope, William Levason and J. Steven Ogden, pp 997 DOI:10.1039/DT9880000997

Binucleating N6 24- and 26-membered macrocyclic ligands. Part 2. Transition-metal homo- and hetero-binuclear complexes: X-ray crystallographic structure determination of a lead-manganese heterobinuclear complex Jane Nelson, Brian P. Murphy, Michael G. B. Drew, Paul C. Yates and S. Martin Nelson, pp 1001 DOI:10.1039/DT9880001001

Syntheses and structural studies of [2-(6-methyl)pyridyl]- and (8-quinolyl)trimethylsilylamido-lithium complexes Lutz M. Engelhardt, Geraldine E. Jacobsen, Peter C. Junk, Colin L. Raston, Brian W. Skelton and Allan H. White, pp 1011 DOI:10.1039/DT9880001011

Synthesis, characterization, and X-ray crystal structures of mononuclear copper(II) complexes with unsymmetrical quadridentate ligands involving an imidazole moiety and discrete imidazolate-bridged binuclear copper(II) complexes with non-identical co-ordination geometries in the binuclear unit Naohide Matsumoto, Toshifumi Akui, Hiroyuki Murakami, Junko Kanesaka, Akira Ohyoshi and Hisashi kawa, pp 1021 DOI:10.1039/DT9880001021

A reconsideration of the role of slippage in the activation of co-ordinated olefins towards nucleophilic attack Alan D. Cameron, Vedene H. Smith Jun.  and Michael C. Baird, pp 1037 DOI:10.1039/DT9880001037

Reactions of some main group metals with diphenyl disulphide and diphenyl diselenide Rajesh Kumar, Hassan E. Mabrouk and Dennis G. Tuck, pp 1045 DOI:10.1039/DT9880001045

Acid- and base-catalysed displacement of the carboxylate ligand from [Pt(dien)(RCO2)]+(dien = 1,5-diamino-3-azapentane; R = CH2Cl, CHCl2, or CCl3) in aqueous solution Luciano Canovese, Lucio Cattalani, Lucia Gemelli and Martin L. Tobe, pp 1049 DOI:10.1039/DT9880001049

Phosphorus-31 nuclear magnetic resonance studies on 15N-labelled [Pt(S2N2)(PR3)2](PR3= PMe3, PEt3, PPh3, PMe2Ph, or ½Ph2PCH2CH2PPh2), and investigation into its protonation Paul F. Kelly and J. Derek Woollins, pp 1053 DOI:10.1039/DT9880001053

The electrochemical synthesis of neutral copper(II) complexes of Schiff base ligands: the crystal structure of bis{N-[2-(2-pyridyl)ethyl]-4,6-dimethoxysalicylideneiminato}copper(II) Neil M. Atherton, David E. Fenton, Geoffrey J. Hewson, Colin H. McLean, Rufina Bastida, Jaime Romero, Antonio Sousa and Eduardo E. Castellano, pp 1059 DOI:10.1039/DT9880001059

Reactions of polysulphide with metal-phosphine species. Synthesis and X-ray crystal structure of [{Ni(bppte)(µ-OH)}2][ClO4]2·(CH3)2CO Carlo A. Ghilardi, Paolo Innocenti, Stefano Midollini and Annabella Orlandini, pp 1063 DOI:10.1039/DT9880001063

Reactions of the metallacycle [(OC)(cp)FeC(SMe)SC(FeLn)S]+ with nucleophiles. X-Ray crystal structures of the complexes [(OC)(cp)FeC(NC5H10)SC(FeLn)S]SO3CF3 and [(OC)(cp)FeC{(CN)(SMe)}SC(FeLn)S][FeLn= Fe(cp)(CO)2, cp =-C5H5] Luigi Busettoo, Valerio Zanotti, Vincenzo G. Albano, Dario Braga and Magda Monari, pp 1067 DOI:10.1039/DT9880001067

Crystal and molecular structure of bis(2-amino-5-methyl-1,3,4-thiadiazole-N3)dibromomercury(II). A spectroscopic study and INDO calculations Luciano Antolini, Adriano Benedetti, Antonio C. Fabretti, Aleardo Giusti and Maria C. Menziani, pp 1075 DOI:10.1039/DT9880001075

Experimental and theoretical studies of the reactions of electrophiles with cationic formyl complexes; formation of methoxy- and hydroxy-carbene complexes of ruthenium(II) and osmium(II) David S. Barratt, Christopher Glidewell and David J. Cole-Hamilton, pp 1079 DOI:10.1039/DT9880001079

Chemistry of phosphido-bridged dimolybdenum complexes. Part 1. High-yield synthesis of [Mo2(5-C5H5)2(µ-H)(µ-PPh2)(CO)4] and its reactions with organophosphorus ligands: X-ray crystal structure of [Mo2(5-C5H5)2(µ-H)-(µ-PPh2)(CO)3{P(OMe)3}] Kim Henrick, Mary McPartlin, Andrew D. Horton and Martin J. Mays, pp 1083 DOI:10.1039/DT9880001083

Studies of pendant arm macrocyclic ligands. Part 6. Synthesis of two penta-aza macrocyclic ligands containing single pendant co-ordinating 2-pyridylmethyl and 1-pyrazolylmethyl arms, and characterisation of their nickel(II), copper(II), cobalt(II), and zinc(II) complexes. Crystal structure of {3,11-dibenzyl-7-(2-pyridylmethyl)-3,7,11,17-tetra-azabicyclo[11.3.1]-heptadeca-1(17),13,15-triene}zinc(II) perchlorate Nathaniel W. Alcock, Karappulli P. Balakrishnan, Andrew Berry, Peter Moore and C. James Reader, pp 1089 DOI:10.1039/DT9880001089

Notes. Reaction of manganese(II) arsine oxide complexes with sulphur dioxide: some unexpected products. The X-ray crystal structure of [(Ph3AsO)2H]I3 Brian Beagley, Oraib El-Sayrafi, George A. Gott, David G. Kelly, Charles A. McAuliffe, Anthony G. Mackie, Philomena P. MacRory and Robin G. Pritchard, pp 1095 DOI:10.1039/DT9880001095

Reaction of the lithium enolate of acetaldehyde, Li(OCHCH2), with cyclothiaphosphazenes Kaveripatnam S. Dhathathreyan, Andries P. Jekel and Johan C. Van de Grampel, pp 1099 DOI:10.1039/DT9880001099

Crystal and molecular structure of the anion [Rh7(CO)16]3- in its tetramethylammonium salt Vincenzo G. Albano, Pier L. Bellon and Gianfranco Ciani, pp 1103 DOI:10.1039/DT9880001103

Additions and corrections David A. Brown, William K. Glass, Hani J. Toma, W. Earle Waghorne, Stephen B. Colbran, Fernando J. Lahoz, Paul R. Raithby, Jack Lewis, Brian F. G. Johnson, Christine J. Cardin and Enrico Leporati, pp 1107 DOI:10.1039/DT9880001107

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX015

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP017

Synthesis and electrode reactions of difluorogermanium(IV) porphyrins. Molecular stereochemistry and crystal structure of difluoro-(2,3,7,8,12,13,17,18-octaethylporphyrinato)germanium(IV) Roger Guilard, Jean-Michel Barbe, Abdallah Boukhris, Claude Lecomte, James E. Anderson, Quan Y. Xu and Karl M. Kadish, pp 1109 DOI:10.1039/DT9880001109

Thermodynamic and spectrophotometric study of copper(II) and cadmium(II) homo- and hetero-nuclear complexes with L-histidylglycine in an aqueous medium Pier G. Daniele, Orfeo Zerbinati, Roberto Aruga and Giorgio Ostacoli, pp 1115 DOI:10.1039/DT9880001115

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 70. Tetranuclear metal compounds with rhenium-molybdenum or -tungsten bonds. Crystal structures of [Mo2Re2(µ3-CC6H4Me-4)2(µ-CO)2(CO)7(-C5H5)2]·1.5CH2Cl2 and [W2Re2(µ-H)(µ3-::2-CCH2)(µ3-CMe)(µ-CO)(CO)8(-C5H5)2] John C. Jeffery, Michael J. Parrott, Ute Pyell and F. Gordon A. Stone, pp 1121 DOI:10.1039/DT9880001121

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 71. Synthesis of tungsten-iridium complexes. Crystal structures of [W2Ir(µ3-RC2R)Cl(CO)4(-C5H5)2]·CH2Cl2 and [W2Ir(µ-CR)(µ3-CR)Cl(CO)4(-C5H5)2](R = C6H4Me-4) John C. Jeffery, Miguel A. Ruiz and F. Gordon A. Stone, pp 1131 DOI:10.1039/DT9880001131

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 72. Di- and tri-metal compounds prepared from the alkylidyne tungsten complexes [W(CR)(CO)3{H2B(pz)2}][R = C6H4Me-4 or Me, H2B(pz)2= dihydrobis(pyrazol-1-yl)borate] M. Dolores Bermúdez, Fiona P. E. Brown and F. Gordon A. Stone, pp 1139 DOI:10.1039/DT9880001139

Amine, imine, and aminocarbene complexes of platinum(II) Ronald J. Cross, Michael F. Davidson and Mercè Rocamora, pp 1147 DOI:10.1039/DT9880001147

The chemistry of dinitrogen residues. Part 5. [Tris(pyrazolyl)borato]-complexes of titanium(III); the crystal structures of trimethylhydrazinium trichloro[tris(3,5-dimethylpyrazolyl)borato]titanate(III) and dichloro(3,5-dimethylpyrazole)[tris(3,5-dimethylpyrazolyl)borato]titanium(III) David L. Hughes, G. Jeffery Leigh and David G. Walker, pp 1153 DOI:10.1039/DT9880001153

A potential iron pharmaceutical composition for the treatment of iron-deficiency anaemia. The crystal and molecular structure of mer-tris-(3-hydroxy-2-methyl-4H-pyran-4-onato)iron(III) Mustafa T. Ahmet, Christopher S. Frampton and Jack Silver, pp 1159 DOI:10.1039/DT9880001159

Hydrido platinum metal macrocyclic complexes: the synthesis and single-crystal X-ray structure of cis-[IrCl(H)L1]PF6{L1=7-methyl-3,7,11,17-tetrazabicyclo[11.3.1]heptadeca-1(17),13,15-triene} Alexander J. Blake, Timothy I. Hyde and Martin Schröder, pp 1165 DOI:10.1039/DT9880001165

Phosphorus-nitrogen compounds. Part 54. The reactions of geminal N3P3(NH2)2Cl4 and of N3P3(NH2)Cl5 with alkoxide ions in alcohols. The geminal P(NH2)2 to non-geminal P(NH2)(OR) rearrangement. The crystal structures of trans-N3P3(NH2)2(OPrn)4, cis-N3P3(NH2)2(OMe)4, and geminal N3P3(NH2)2(OMe)4 John K. Fincham, Harold G. Parkes, Leylâ S. Shaw (Née Gözen), Robert A. Shaw and Michael B. Hursthouse, pp 1169 DOI:10.1039/DT9880001169

Syntheses of vinylidene-bridged A-frame palladium complexes containing Ph2PCH2PPh2 or Ph2PCHMePPh2: protonation to give carbyne-bridged complexes Xavier L. R. Fontaine, Simon J. Higgins and Bernard L. Shaw, pp 1179 DOI:10.1039/DT9880001179

Organo-platinum-iron complexes derived from allenes. Crystal structures of [(OC)3Fe(µ-dppm){µ-C(O)CH2C(CH2)}Pt(PPh3)], [(OC)3Fe(µ-dppm)-{µ-C(CH2)CH2}Pt(PPh3)], and [(OC)2Fe(µ-dppm){4-(CH2)(CMe2)CPt(PPh3)}] Xavier L. R. Fontaine, Grant B. Jacobsen, Bernard L. Shaw and Mark Thornton-Pett, pp 1185 DOI:10.1039/DT9880001185

Electron diffraction study of the molecular structures of monomethylsilyl isocyanate and monomethylsilyl isothiocyanate in the gas phase David G. Anderson, Stephen Cradock, Christopher M. Huntley and David W. H. Rankin, pp 1193 DOI:10.1039/DT9880001193

Synthesis and characterisation of the tetranuclear phosphinidene clusters [Os3MH2(CO)12(PR)](M = Os, R = Ph or cyclo-C6H11; M = Ru, R = cyclo-C6H11) and the crystal and molecular structure of [Os4(µ-H)2(CO)12(µ3-PC6H11)] Stephen B. Colbran, Brian F. G. Johnson, Fernando J. Lahoz, Jack Lewis and Paul R. Raithby, pp 1199 DOI:10.1039/DT9880001199

Preparation, X-ray structural analysis, and method of interconversion of two isomeric forms of [Os6(CO)16{P(OMe)3}2] Brian F. G. Johnson, Rose A. Kamarudin, Fernando J. Lahoz, Jack Lewis and Paul R. Raithby, pp 1205 DOI:10.1039/DT9880001205

Role of the nature of the metal centre in the catalysed addition of -dicarbonyls to electrophilically activated nitriles Marino Basato, Benedetto Corain, Vittorio Gandolfi and Augusto C. Veronese, pp 1213 DOI:10.1039/DT9880001213

Dithiolene-like nickel complexes of the methyl ester of dithiocarbazic acid and its N3 phenyl- and benzyl-substituted derivatives. Crystal and molecular structure of [Ni{PhNC6H4NNC(S)SMe}(NCS)] Donato Attanasio, Vincenzo Fares, Patrizia Imperatori, Giulia Mattogno and Franco Tarli, pp 1217 DOI:10.1039/DT9880001217

Polynuclear manganese(II) complexes with Robson-type ligands. Synthesis, characterization, molecular structure, and magnetic properties Dominique Luneau, Jean-Michel Savariault, Patrick Cassoux and Jean-Pierre Tuchagues, pp 1225 DOI:10.1039/DT9880001225

Mixed-metal carbido carbonyl clusters. Part 3. Synthesis and structural characterization of [Rh6C(CO)15{Ag(NCMe)}2]·0.5MeOH, [Rh6C(CO)15{M-(PPh3)}2](M = Cu, Ag, or Au), and of the anion [Rh6C(CO)15{Au(PPh3)}]- as its PPh4+ salt Alessandro Fumagalli, Secondo Martinengo, Vincenzo G. Albano and Dario Braga, pp 1237 DOI:10.1039/DT9880001237

Reorientation of the alkyne moiety in the heterometallic cluster [FeCo2(CO)9(EtC2Et)], induced by phosphine, phosphite, or isonitrile substitution for CO. Crystal structure of [FeCo2(CO)8(PPh3)(EtC2Et)] Danilo Boccardo, Mauro Botta, Roberto Gobetto, Domenico Osella, Antonio Tiripicchio and Marisa Tiripicchio Cemellini, pp 1249 DOI:10.1039/DT9880001249

Organotin biocides. Part 11. Triphenyltin benzoates: electronic versus steric control of structure Kieran C. Molloy, Stephen J. Blunden and Robin Hill, pp 1259 DOI:10.1039/DT9880001259

Mixed metal complexes in solution. Part 5. Equilibrium and conformational study of heterobinuclear metal(II)-isoserine complexes in aqueous solution Giuseppe Arena, Vincenzo Cucinotta, Enrico Rizzarelli, Pier Giuseppe Daniele, Giorgio Ostacoli and Silvio Sammartano, pp 1267 DOI:10.1039/DT9880001267

Thermodynamic and spectroscopic studies on the protonation and Cu2+ complex formation of a synthetic amino diacid: (3-aminopropyl)malonic acid Rolando Barbucci, Mario Casolaro, Mila Nocentini, Pietro Amodeo, Grazia Dal Maso and Adamo Fini, pp 1273 DOI:10.1039/DT9880001273

X-Ray crystal structures of two isomers of the hydrido-carbonyl anion [Re7(µ-H)C(CO)21]2-. The problematic existence of triply bridging hydrides in clusters containing interstitial main-group elements Tiziana Beringhelli, Giuseppe D'Alfonso, Gíanfranco Ciani, Angelo Sironi and Henriette Molinari, pp 1281 DOI:10.1039/DT9880001281

Reinvestigation of the synthesis of tris[benzoyl(thiobenzoyl)methanato-S]arsenic(III): synthesis and X-ray structure of 3,3-thiodi(1,3-diphenylprop-2-en-1-one) Rajendra P. Singh, Vishnu D. Gupta, Eileen N. Duesler and Chaitanya K. Narula, pp 1289 DOI:10.1039/DT9880001289

Some observations on the mechanism of passive transport Joyce C. Lockhart, pp 1293 DOI:10.1039/DT9880001293

Interaction of metal ions with 6-oxopurine nucleotides. Part 1. X-Ray structures of ternary cobalt(III) complexes with inosine 5-monophosphate or guanosine 5-monophosphate M. Damodara Poojary and Hattikudur Manohar, pp 1297 DOI:10.1039/DT9880001297

Interaction of metal ions with 6-oxopurine nucleotides. Part 2. X-Ray structures of ternary nickel(II) complexes with 2-deoxyguanosine 5-monophosphate or guanosine 5-monophosphate Noor Shahina Begum, M. Damodara Poojary and Hattikudur Manohar, pp 1303 DOI:10.1039/DT9880001303

Reactions of hexakis(acetonitrile)iron(II) hexafluorophosphate in acetonitrile. Ligation of ammonia, pyridine, and trimethylamine to iron(II) and the behaviour of trimethyl phosphite and trimethylphosphine towards iron(II), nitrogen donor ligand complex cations Laurence McGhee, Rana M. Siddique and John M. Winfield, pp 1309 DOI:10.1039/DT9880001309

Tri-, tetra-, penta-, and hexa-nuclear phenylphosphinidene-capped products from the reaction of dodecacarbonyltriruthenium with phenylphosphine: crystal structures of [Ru4(µ4-PPh)2(µ-CO)(CO)10], [Ru5(µ4-PPh){µ-PPh(OPrn)}(µ-H)(CO)13], [Ru6(µ4-PPh)2(µ3-PPh)2(CO)12], and [Ru6(µ4-PPh)3(µ3-PPh)2(CO)12] John S. Field, Raymond J. Haines and Diana N. Smit, pp 1315 DOI:10.1039/DT9880001315

Kinetics of the oxidation of hydrogen azide (hydrazoic acid) by bis(2,2-bipyridine)manganese(III) ions in aqueous perchlorate media Malcolm P. Heyward and Cecil F. Wells, pp 1331 DOI:10.1039/DT9880001331

Synthesis, spectroscopy, and crystal structure of a thiocyanato-bridged mixed-valence copper(I)-copper(II) compound with the ligand 1,6-bis(5-methylimidazol-4-yl)-2,5-dithiahexane Elisabeth Bouwman, Willem L. Driessen and Jan Reedijk, pp 1337 DOI:10.1039/DT9880001337

Spectroscopic studies on the hexafluorides of rhenium, osmium, iridium, and platinum isolated in low-temperature matrices John H. Holloway, Gillian Stanger, Eric G. Hope, William Levason and J. Steven Ogden, pp 1341 DOI:10.1039/DT9880001341

Multinuclear magnetic resonance studies of the hydrolysis of aluminium(III). Part 8. Base hydrolysis monitored at very high magnetic field J. W. Akitt and Julie M. Elders, pp 1347 DOI:10.1039/DT9880001347

Copper(II) complexes with some tetrapeptides containing the break-point prolyl residue in the third position Cynara Livera, Leslie D. Pettit, Michel Bataille, Jean Krembel, Wojciech Bal and Henryk Kozlowski, pp 1357 DOI:10.1039/DT9880001357

cis- and trans-Dichloro chelate complexes of niobium(IV): synthesis and structure of trans-dichloro[NN-ethylenebis(acetylacetonylideneiminato)-(2-)]niobium(IV) and cis-dichloro{7,16-dihydro-6,8,15,17-tetramethyldibenzo-[b,i][1,4,8,11]tetra-azacyclotetradecinato(2-)}niobium(IV)-acetonitrile (1/2) Carlo Floriani, Marinella Mazzanti, Stefano Ciurli, Angiola Chiesi-Villa and Carlo Guastini, pp 1361 DOI:10.1039/DT9880001361

Synthesis, magnetic properties, redox behaviour, and crystal structure of the bridged binuclear nickel(II) complex [Ni2(µ-OH)(µ-CH3CO2)2L2]ClO4·H2O Phalguni Chaudhuri, Heinz-Josef Küppers, Karl Wieghardt, Stefan Gehring, Wolfgang Haase, Bernhard Nuber and Johannes Weiss, pp 1367 DOI:10.1039/DT9880001367

Synthesis and nuclear magnetic resonance spectroscopy of geometrical isomers of 1,3,5-trimethyl-2,4,6-tris(p-methylphenoxy)-2,4,6-trioxocyclotriphosphazane: X-ray crystal structure of the trans isomer Sakthivel Karthikeyan, Krishnamurthi Vyas, Setharampattu S. Krishnamurthy, T. Stanley Cameron and Beverly R. Vincent, pp 1371 DOI:10.1039/DT9880001371

Co-ordination chemistry of higher oxidation states. Part 26. Spectroscopic studies of tellurate complexes of the trivalent Group 1B metals. X-Ray structure of Na5[Cu{TeO4(OH)2}2]·16H2O William Levason, Mark D. Spicer and Michael Webster, pp 1377 DOI:10.1039/DT9880001377

Analysis of substituted ferrocenes by infrared spectroscopy Leonidas Phillips, Anthony R. Lacey and Mervyn K. Cooper, pp 1383 DOI:10.1039/DT9880001383

Notes. Electronic spectrum and metal-ligand bonding parameters of the V(H2O)63+ ion Michael A. Hitchman, Robbie G. McDonald, Peter W. Smith and Robert Stranger, pp 1393 DOI:10.1039/DT9880001393

Ligand substitution of [M(SnPh3)(MeCN)2(CO)2(NO)](M = Cr or W) and crystal structure of [Cr(SnPh3)(MeCN){P(OMe)3}(CO)2(NO)] Jiann T'Suen Lin, Chong Hsin Shan, Duencheng Fang, Ling-Kang Liu and Yu Hsiou, pp 1397 DOI:10.1039/DT9880001397

Synthesis and X-ray crystal structure of a weak molecular adduct of diphenylmercury(II) with 1,2-bis(diphenylphosphinothioyl)ethane Tarlok S. Lobana, (Miss) Maninderjeet K. Sandhu and Edward R. T. Tiekink, pp 1401 DOI:10.1039/DT9880001401

Crystal structure of 2,2,4,4-tetrachloro-6,6-bis(trimethylsilylamino)cyclo-triphosphazene, N3P3Cl4(NHSiMe3)2 Christopher W. Allen, Douglas E. Brown, A. Wallace Cordes and Scott L. Craig, pp 1405 DOI:10.1039/DT9880001405

A low-spin iron nitrosyl complex from the reaction of NO with (5H, 14H-6,8,15,17-tetramethyldibenzo[b,i][1,4,8,11]tetra-azacyclotetradecinato)iron(II), and its crystal structure Pietro Berno, Carlo Floriani, Angiola Chiesi-Villa and Carlo Guastini, pp 1409 DOI:10.1039/DT9880001409

Cerium(IV)-induced decarboxylation of penta-ammineoxaloacetatocobalt(III) perchlorate Kullagounder Subramani and Vangalur S. Srinivasan, pp 1413 DOI:10.1039/DT9880001413

Reaction of [FeCo(CO)7(µ-CHCRH)](R = H or Ph) with dimethylphenylphosphine. Synthesis and structure of [FeCo(CO)4(µ-CO)-(PMe2Ph)2(µ-CHCH2)], an electronically unbalanced iron-cobalt complex Isabel Moldes, Josep Ros, Ramón Yañez, René Mathieu, Xavier Solans and Mercé Font-Bardí, pp 1417 DOI:10.1039/DT9880001417

Facile carbon-carbon bond formation on a triosmium cluster: crystal structures of [Os3(CO)8{C(Me)C(Me)C(O)C(Me)C(Me)C(Ph)C(Ph)}] and [Os3(CO)8{P(OMe)3}{C(Me)C(Me)C(O)C(Me)C(Me)}] Brian F. G. Johnson, Rajesh Khattar, Jack Lewis, Paul R. Raithby and Diana N. Smit, pp 1421 DOI:10.1039/DT9880001421

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX019

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP021

Electroanalytical and spectrophotometric investigations on the metal(II)-1,2-bis(diphenylphosphino)ethane-acetylacetonate system (M = Ni, Pd, or Cu) in acetonitrile Salvatore Daniele, Marino Basato, Benedetto Corain, Giancarlo Favero and Gino Bontempelli, pp 1425 DOI:10.1039/DT9880001425

Copper(II) and zinc(II) co-ordination compounds of tridentate bis(benzimidazole)pyridine ligands. Crystal and molecular structures of bis[2,6-bis(1-methylbenzimidazol-2-yl)pyridine]copper(II) diperchlorate monohydrate and (acetonitrile)[2,6-bis(benzimidazol-2-yl)pyridine](perchlorato)copper(II) perchlorate S. Bamidele Sanni, Helmut J. Behm, Paul T. Beurskens, Gerard A. van Albada, Jan Reedijk, Albert T. H. Lenstra, Anthony W. Addison and Mallayan Palaniandavar, pp 1429 DOI:10.1039/DT9880001429

The reactions of [Ru3(CO)12] with nitrogen-containing heterocycles. Crystal structures of [Ru3(µ-H)(µ3-ppy)(CO)9] and [Ru3(µ-napy)(µ-CO)3(CO)7] Javier A. Cabeza, Luis A. Oro, Antonio Tiripicchio and Marisa Tiripicchio-Camellini, pp 1437 DOI:10.1039/DT9880001437

Cyclic sulphur-nitrogen compounds and phosphorus reagents. Part 2. Reactions of tetrasulphur tetranitride with (morpholino)diphenylphosphine. First observation of the ring contraction of 1,5-[(OC4H8N)Ph2PN]2S4N4 to (OC4H8N)Ph2PNS3N3 in solution C. J. Thomas and M. N. Sudheendra Rao, pp 1445 DOI:10.1039/DT9880001445

Pentamethylcyclopentadienyl molybdenum and tungsten carbene complexes. X-Ray crystal structures of cis- and trans-[Mol(CO)2{C(CH2)3O}(-C5Me5)] Neil A. Bailey, Deborah A. Dunn, Clare N. Foxcroft, Gavin R. Harrison, Mark J. Winter and Simon Woodward, pp 1449 DOI:10.1039/DT9880001449

A two-dimensional silicon-29 nuclear magnetic resonance spectroscopic study of the structure of the silicate anions present in an aqueous potassium silicate solution Christopher T. G. Knight, pp 1457 DOI:10.1039/DT9880001457

Facilitation of the substitution reactions of triangular platinum cluster compounds and the structural characterisations of [Pt3(µ-SO2)3{P(C6H11)3}3] and [NEt4][Pt3(µ-Br)(µ-SO2)2{P(C6H11)3}3] by single-crystal X-ray techniques Simon G. Bott, Malcolm F. Hallam, Osayi J. Ezomo, D. Michael P. Mingos and Ian D. Williams, pp 1461 DOI:10.1039/DT9880001461

Polyhedral thiaborane chemistry: a comparative nuclear magnetic resonance study of arachno-[6-SB9H12]- and nido-6-SB9H11 Mark Bown, Xavier L. R. Fontaine and John D. Kennedy, pp 1467 DOI:10.1039/DT9880001467

Oxidation and reduction chemistry of bis(-arene)niobium compounds; the X-ray crystal structure of bis(-toluene)(trimethylphosphine)niobium tetrafluoroborate Judith A. Bandy, Keith Prout, F. Geoffrey N. Cloke, Helen C. de Lemos and Julian M. Wallis, pp 1475 DOI:10.1039/DT9880001475

Synthesis and characterization of pentagonal-bipyramidal mercury(II) complexes with 2,6-diacetylpyridine bis(2-pyridylhydrazone). X-Ray structure of [2,6-diacetylpyridine bis(2-pyridylhydrazone)]mercury(II) tetrachloromercurate(II) Gavino Chessa, Giampaolo Marangoni, Bruno Pitteri, Valerio Bertolasi, Valeria Ferretti and Gastone Gilli, pp 1479 DOI:10.1039/DT9880001479

Chemical reaction of metallic copper with imidazole Gi Xue, Shangen Jiang, Xueying Huang, Gaoguan Shi and Biao Sun, pp 1487 DOI:10.1039/DT9880001487

Stereochemical rigidity of the square-pyramidal W(CO)5 moiety during 1,2- and 1,3-metallotropic shifts in sulphur ligand complexes Edward W. Abel, Ian Moss, Keith G. Orrell, Khurshid B. Qureshi, Vladimir ik and David Stephenson, pp 1489 DOI:10.1039/DT9880001489

Bis(acetato)bis[4-(N-acetylamino)pyridine]aquacopper(II)-hydrogen fluoride-hydrate (1/2/2): X-ray structure reveals H2O·HF hydrogen bonded in the lattice John Emsley, Muhammad Arif, Paul A. Bates and Michael B. Hursthouse, pp 1493 DOI:10.1039/DT9880001493

Studies on metal complexes of ortho-quinone mono-oximes. Part 6. Redox behaviour of bis(4-chloro-1,2-benzoquinone 2-oximato)-copper(II) and -nickel(II); synthesis and characterization of reduced species containing a paramagnetic ligand Carla Bisi Castellani, Armando Buttafava, Oliviero Carugo and Antonio Poggi, pp 1497 DOI:10.1039/DT9880001497

The photochemistry of cyclopentadienyl platinum carbonyl dimers: characterization of [Pt2(µ-CO)(5-C5R5)2](R = H or Me) using matrix isolation and fast time-resolved infrared spectroscopy Andrew J. Dixon, Stephen Firth, Anthony Haynes, Martyn Poliakoff, James J. Turner and Neil M. Boag, pp 1501 DOI:10.1039/DT9880001501

Synthesis and structural characterisation of some triangulo- and binuclear clusters of platinum from the reaction of [Pt3(µ-SO2)3{P(C6H11)3}3] with 2,6-xylyl isocyanide D. Michael P. Mingos, Ian D. Williams and Michael J. Watson, pp 1509 DOI:10.1039/DT9880001509

Hydride fluxionality in high-nuclearity osmium carbonyl clusters Simon R. Drake, Brian F. G. Johnson and Jack Lewis, pp 1517 DOI:10.1039/DT9880001517

Synthesis and hydroformylation reaction of dinuclear rhodium(I) complexes with mixed bridging ligands. X-Ray structure of [Rh2(µ-pz)(µ-SBut)(CO)2{P(OMe)3}2] Carmen Claver, Philippe Kalck, Mohammed Ridmy, Alain Thorez, Luis A. Oro, M. Teresa Pinillos, M. Carmen Apreda, Felix H. Cano and Concha Foces-Foces, pp 1523 DOI:10.1039/DT9880001523

Preparation and characterization of alkane- and arene-chalcogenolate complexes of 5-cyclopentadienyltitanium(IV): first synthesis of [Ti(5-C5H5)(SeCH3)3] Thomas Klapötke, Hartmut Köpf and Petra Gowik, pp 1529 DOI:10.1039/DT9880001529

Synthesis, characterization, and crystal structures of tin(IV) 1-pyrrolethiocarboxylates Dileep K. Srivastava, Vishnu D. Gupta, Heinrich Nöth and Wilfried Rattay, pp 1533 DOI:10.1039/DT9880001533

Preparation, molecular structure, and stereochemical properties of copper(II) complexes co-ordinated to (3S)- and (RS)-3-aminopiperidine: effect of ring size on stereochromism Kazuo Miyamura, Masahiko Saburi, Sei Tsuboyama, Kaoru Tsuboyama and Tosio Sakurai, pp 1543 DOI:10.1039/DT9880001543

Crystal structures of o-, m,- and p-nitrophenylferrocenes and their relevance to other sterically crowded phenylferrocenes Roger M. G. Roberts, Jack Silver, Bohari M. Yamin, Michael G. B. Drew and Udo Eberhardt, pp 1549 DOI:10.1039/DT9880001549

Mechanism of reactions of some N1-substituted biguanides with chromium(VI) in aqueous sulphuric acid media Rupendranath Banerjee, Anamika Bhattacharya, Prabir K. Das and Amiya K. Chakraburtty, pp 1557 DOI:10.1039/DT9880001557

Synthesis and single-crystal X-ray structure determination of trans-[RhCl2(tmc)]PF6(tmc = 1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane) Alexander J. Blake, Gillian Reid and Martin Schröder, pp 1561 DOI:10.1039/DT9880001561

Synthesis and characterisation of binuclear cyclopalladated p-alkoxyphenylazo complexes: preparation of new mesogenic materials Mauro Ghedini, Salvatore Armentano, Francesco Neve and Silvia Licoccia, pp 1565 DOI:10.1039/DT9880001565

Oxidative addition of halogens to [Pt(S2N2H)(PR3)2]BF4. X-Ray crystal structures of [Pt(S2N2H)X(PMe2Ph)](X = Br or I) and the monoclinic and triclinic polymorphs of [Pt(S2N2H)Br2(PMe2Ph)2]BF4 Ray Jones, Paul F. Kelly, David J. Williams and J. Derek Woollins, pp 1569 DOI:10.1039/DT9880001569

A kinetic investigation on the oxidation of platinum(II) complexes by hexachloroiridate(IV). Role of steric hindrance Arnaldo Peloso, pp 1577 DOI:10.1039/DT9880001577

Association and orientation of copper(II) tetra-t-butylphthalocyaninate in multilayer Langmuir-Blodgett films as determined by electron paramagnetic resonance spectroscopy Michael J. Cook, Adrian J. Dunn, Andrew A. Gold, Andrew J. Thomson and Mervyn F. Daniel, pp 1583 DOI:10.1039/DT9880001583

Synthesis and reactivity of mixed-ligand isocyanide-diphosphine iron(0) complexes. X-Ray crystal structure of cis-[Fe(dppe)(CNPh)2{N(Ph)C(Me)-CNPh}]ClO4 Victor Riera, Javier Ruiz, Yves Jeannin and Michèle Philoche-Levisalles, pp 1591 DOI:10.1039/DT9880001591

Structurally diversified neutral copper(I) isocyanide complexes: mono- and bi-nuclear complexes from the reaction of copper(I) halides with p-tolyl isocyanide Andras Toth, Carlo Floriani, Angiola Chiesi-Villa and Carlo Guastini, pp 1599 DOI:10.1039/DT9880001599

A reactive and versatile fourteen-electron copper(I) fragment for binding carbon monoxide, isocyanides, and phosphines: synthesis, crystal structure, and reactivity of (2-methylquinolin-8-olato)copper(I) derivatives Carlo Floriani, Paolo Fiaschi, Angiola Chiesi-Villa, Carlo Guastini and Pier Francesco Zanazzi, pp 1607 DOI:10.1039/DT9880001607

Hydrido-organometallic complexes of platinum(II). X-Ray crystal structure of trans-[PtH(C6H4F-p)(PPh3)2] Margarita Crespo, Joaquim Sales, Xavier Solans and Manuel Font Altaba, pp 1617 DOI:10.1039/DT9880001617

The oxidative isomerisation of cis,cis-dicarbonylmanganese(I) derivatives; isolation of the resulting trans-dicarbonylmanganese(II) complexes and the X-ray structure of cis,cis-[MnBr(CO)2{P(OPh)3}(Ph2PCH2PPh2)] Neil G. Connelly, Keeley A. Hassard, Barry J. Dunne, A. Guy Orpen, Stephen J. Raven, Gabino A. Carriedo and Victor Riera, pp 1623 DOI:10.1039/DT9880001623

Allylation of cobalt-co-ordinated cyclo-octatetraene by the [Fe{P(OMe)3}(NO)2(3-allyl)]+ cation: ring closure to 1,2,3,3a-tetrahydropentalenyl derivatives and the X-ray structure of [Co(5-C8H8R)(-C5Me5)][PF6][R = CH2C(Me)CH2] Neil G. Connelly, Mark Gilbert, A. Guy Orpen and Jonathan M. White, pp 1631 DOI:10.1039/DT9880001631

Lewis base adducts of Group 11 metal(I) compounds. Part 36. The synthesis and X-ray crystallographic characterisation of polymeric copper(I) iodide-benzonitrile (2/1) Peter C. Healy, John D. Kildea and Allan H. White, pp 1637 DOI:10.1039/DT9880001637

Significant phosphine ligand effect on the photochemical reactivity of [Cu(N-N)L2]+(N-N = 1,10-phenanthroline or 2,9-dimethyl-1,10-phenanthroline; L = tertiary phosphine) Shigeyoshi Sakaki, Satoru Hashimoto, Genji Koga and Katsutoshi Ohkubo, pp 1641 DOI:10.1039/DT9880001641

The characterisation of molecular boric acid by mass spectrometry and matrix isolation infrared spectroscopy J. Steven Ogden and Nigel A. Young, pp 1645 DOI:10.1039/DT9880001645

Homogeneous deuteriation of alkenes using [RhX(PR3)3](X = halide, R = aryl) catalysts Muammer Güngör, Fred H. Jardine and J. Denis Wheatley, pp 1653 DOI:10.1039/DT9880001653

A theoretical analysis of high-nuclearity metal carbonyl clusters D. Michael P. Mingos and Lin Zhenyang, pp 1657 DOI:10.1039/DT9880001657

Ligand-field analysis of the ion VO2+: application of the angular overlap model to the electronic absorption spectrum of bis(acetylacetonato)oxovanadium(IV) in various solvents Pedro Amorós, Rafael Ibáñtez, Aurelio Beltrán and Daniel Beltrán, pp 1665 DOI:10.1039/DT9880001665

Synthesis and structural characterisation of some cyclopentadienyliron-bismuth complexes William Clegg, Neville A. Compton, R. John Errington and Nicholas C. Norman, pp 1671 DOI:10.1039/DT9880001671

Ruthenium-99 Mössbauer study of ruthenium red and its derivatives Fritz E. Wagner, R. Wordel, William P. Griffith and Neil T. McManus, pp 1679 DOI:10.1039/DT9880001679

Deprotonation of a heterodinuclear transition-metal hydride complex and reactions of the anion with electrophiles: X-ray crystal structures of [(5-C5H5)(OC)2Mo{µ-Ag(PPh3)}(µ-PPh2)Mn(CO)4] and [(-C5H5)(OC)2Mo(µ-I)(µ-PPh2)Mn(CO)4] Andrew D. Horton, Martin J. Mays, Trushar Adatia, Kim Henrick and Mary McPartlin, pp 1683 DOI:10.1039/DT9880001683

Crystal structure of NH4[Ni{S2C2(CN)2}2]·H2O, the first equidistant stack d7 monoanion metal dithiolene complex Peter I. Clemenson, Allan E. Underhill, Michael B. Hursthouse and Richard L. Short, pp 1689 DOI:10.1039/DT9880001689

Notes. N-thionitrosamine complexes: substitution reactions of complexes [MCl(C6H4Me-p)(CO)(PPh3)2(SNNMe2)](M = Ru or Os) and the crystal structure of [OsCl(C6H4Me-p)(CO)(PPh3)2(SNNMe2)] Alfred Gieren, Catalina Ruiz-Pérez, Thomas Hübner, Max Herberhold and Anthony F. Hill, pp 1693 DOI:10.1039/DT9880001693

Effects of sodium ions on the molecular dynamics of bis(aza-15-crown-5)thiuram disulphide Malcolm L. H. Green, Seth R. Marder, Graham C. Saunders and Neil M. Walker, pp 1697 DOI:10.1039/DT9880001697

Mixed rhenium-gold polyhydrides that contain ReAu and ReAu2 cores Gregory A. Moehring and Richard A. Walton, pp 1701 DOI:10.1039/DT9880001701

Preparation, X-ray crystal structure, and properties of [V(S2)2(terpy)]: intramolecular coupling of the sulphide ligands of [VS4]3- Faris T. Al-Ani, David L. Hughes and Christopher J. Pickett, pp 1705 DOI:10.1039/DT9880001705

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX023

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP025

Preparation and nuclear magnetic resonance spectroscopy of [Ag2{µ-CH2(PPh2)2}3][O3SCF3]2, a disilver(I) complex with three bridging CH2(PPh2)2 ligands Dagmar Obendorf, Michael Probst, Paul Peringer, Heinz Falk and Norbert Müller, pp 1709 DOI:10.1039/DT9880001709

Co-ordinative abilities of ligands which favour S,S chelation: copper(I) halide complexes of N,N-diphenyldithiomalonamide. The crystal and molecular structure of bis(N,N-diphenyldithiomalonamide)copper(I) iodide-methanol (2/1) Luigi P. Battaglia, Anna Bonamartini Corradi, Armando Marzotto, Ledi Menabue and Gian Carlo Pellacani, pp 1713 DOI:10.1039/DT9880001713

Crystal and molecular structure of 1,2;3,4-di-µ-o-aminobenzoato-OO-1,3-bis(o-aminobenzoato-O)-1,2,4;2,3,4-di-µ3-oxo-tetrakis[di-n-butyltin(IV)] Suraj P. Narula, Shashi K. Bharadwaj, Hemant K. Sharma, Gaetan Mairesse, Pierre Barbier and Guy Nowogrocki, pp 1719 DOI:10.1039/DT9880001719

Preparation and crystal structures of [AsPh4]4[Tc4N4O2(ox)6] and [AsPh4]2[TcO(ox)2(Hox)]·3H2O: technetium complexes containing quadridentate or unidentate oxalato ligands John Baldas, Silvano F. Colmanet and Maureen F. Mackay, pp 1725 DOI:10.1039/DT9880001725

Studies involving mixed-donor macrocyclic ligands. A comparative study of the influence of medium effects on the stabilities of complexes of CoII, NiII, and CuII with 14- to 16-membered O2N2-donor macrocycles Kenneth R. Adam, Anthony J. Leong, Leonard F. Lindoy and Giorgio Anderegg, pp 1733 DOI:10.1039/DT9880001733

Interaction of acetonitrilebis(cyclopentadienyl)molybdenum(II) or tris(acetonitrile)tricarbonylmolybdenum(0) with tetrafluoroboric acid in acetonitrile. X-ray crystal structures of [MoIV(5-C5H5)2(MeCN)(NHCHMe)][BF4]2, [MoIV(5-C5H5)2(PMe3)2][BF4]2, [MoO(CO)2(MeCN)3(3-CH2CHNH2)]BF4, and [MoIII2(µ-O)(MeCN)10][BF4]4 Brian S. McGilligan, Thomas C. Wright, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 1737 DOI:10.1039/DT9880001737

Technetium(V)-nitrido complexes of dithiocarbazic acid derivatives. Reactivity of [TcN]2+ core towards Schiff bases derived from S-methyl dithiocarbazate. Crystal structures of [S-methyl 3-(2-hydroxyphenylmethylene)dithiocarbazato]nitrido(triphenylphosphine)technetium(V) and bis(S-methyl 3-isopropylidenedithiocarbazato)nitridotechnetium(V) Andrea Marchi, Adriano Duatti, Roberto Rossi, Luciano Magon, Roberto Pasqualini, Valerio Bertolasi, Valeria Ferretti and Gastone Gilli, pp 1743 DOI:10.1039/DT9880001743

Synthesis and structural characterisation of a novel high-nuclearity gold-tin cluster compound, [Au8(PPh3)7(SnCl3)]2[SnCl6] Zenon Demidowicz, Roy L. Johnston, Jonathan C. Machell, D. Michael P. Mingos and Ian D. Williams, pp 1751 DOI:10.1039/DT9880001751

Phosphorus-nitrogen compounds. Part 55. The reactions of 2,2,4,4-tetrachloro-6,6-diphenylcyclotriphosphazatriene with aliphatic difunctional alcohols, amines, and aminoalcohols. Proton and phosphorus-31 nuclear magnetic resonance spectroscopic studies of the products W. Francis Deutsch and Robert A. Shaw, pp 1757 DOI:10.1039/DT9880001757

The chemistry in air of the rare-earth-metal sesquioxides. Comparative study of hexagonal and cubic neodymia samples Serafín Bernal, Francisco J. Botana, Rafael García and José M. Rodríguez-Izquierdo, pp 1765 DOI:10.1039/DT9880001765

A study of the generality of the reaction of diazomethane with halogenoplatinum(II) complexes in the preparation of (halogenomethyl)platinum(II) complexes Robert McCrindle, Gilles J. Arsenault, Rajeev Farwaha, Mark J. Hampden-Smith, Richard E. Rice and Alan McAlees, pp 1773 DOI:10.1039/DT9880001773

Equilibrium measurements for silver(I) complexes with polyamines in dimethyl sulphoxide Alberto Cassol, Plinio Di Bernardo, Pierluigi Zanonato, Roberto Portanova, Marilena Tolazzi and Giuliana Tomat, pp 1781 DOI:10.1039/DT9880001781

Boron-11 and proton nuclear magnetic resonance study of anti-B18H22 and its anions, anti-[B18H21]- and anti-[B18H20]2-. The crystal and molecular structure of [NMe4]2[anti-B18H20] Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy and Peter MacKinnon, pp 1785 DOI:10.1039/DT9880001785

The heteronuclear cluster chemistry of the group 1B metals. Part 7. Synthesis and gold-197 Mössbauer spectra of the mixed-metal cluster compounds [Au2Ru4(µ3-H)(µ-H){µ-Ph2E(CH2)nEPh2}(CO)12](n= 1 or 2, E = E= As or E = As, E= P; n= 2, E = E= P). X-Ray crystal structure of [Au2Ru4(µ3-H)(µ-H)(µ-Ph2AsCH2PPh2)(CO)12] Scott S. D. Brown, Ian D. Salter, David B. Dyson, R. V. (Dick) Parish, Paul A. Bates and Michael B. Hursthouse, pp 1795 DOI:10.1039/DT9880001795

Functionalized isocyanides as ligands. Part 5. Syntheses and reactions of 3-(benzylphosphonio)indolin-2-ylidene complexes of platinum(II). X-Ray crystal structure of trans-[Pt{o-CN(H)C6H4C[P(CH2Ph)2Ph]}X(PPh3)2]BF4·2C2H4Cl2(X = Cl or Br) Rino A. Michelin, Mirto Mozzon, Giacomo Facchin, Dario Braga and Piera Sabatino, pp 1803 DOI:10.1039/DT9880001803

Thermodynamics of extraction equilibria. Part 7. Solvent extraction of thorium nitrate with tri-n-butyl phosphate Djordje M. Petkovi, pp 1813 DOI:10.1039/DT9880001813

Complexes of osmium, uranium, molybdenum, and tungsten with the catechol amines adrenaline, noradrenaline, dopamine, dopa, and isoproterenol Ahmed M. El-Hendawy, William P. Griffith and Carol A. Pumphrey, pp 1817 DOI:10.1039/DT9880001817

Binuclear nickel(II) and copper(II) complexes containing an endogenous alkanethiolato-bridging sulphur atom and exogenous µ-pyrazolate (pz) group. Crystal structure of [Ni2L(pz)][L =NN-3-mercaptopentane-1,5-diylbis(salicylideneiminate)(3-)] Peter Iliopoulos, Gary D. Fallon and Keith S. Murray, pp 1823 DOI:10.1039/DT9880001823

Resonance-Raman spectra of nitro cobalt(III) complexes: K3[Co(NO2)6], Na3[Co(NO2)6], trans-[NH4][Co(NO2)4(NH3)2], and trans-[Co(NO2)2(NH3)4]NO3 Kan Kanamori, Akio Shimizu, Hiroyuki Sekino, Shinji Hayakawa, Yuriko Seki and Kiyoyasu Kawai, pp 1827 DOI:10.1039/DT9880001827

Reactivity of o-diphenylphosphinobenzaldehyde toward [Pt(C2H4)(PPh3)2]. X-ray structure of [Pt(OCC6H4PPh2-o)H(PPh3)]·C6H6 Carlo A. Ghilardi, Stefano Midollini, Simonetta Moneti and Annabella Orlandini, pp 1833 DOI:10.1039/DT9880001833

cis-Bis(2,2-bipyridine)bis(pyridine)ruthenium(II) salts: a spectroscopic and structural study Peter B. Hitchcock, Kenneth R. Seddon, Janet E. Turp, Yousif Z. Yousif, Jalal A. Zora, Edwin C. Constable and Ole Wernberg, pp 1837 DOI:10.1039/DT9880001837

Reactions of co-ordinated ligands. Part 43. Alkyne linking reactions at dimetal centres. Synthesis and structures of [Mo2{µ-(,3:2:3,-C8H4But4)}(-C5H5)2], [Mo2{µ-(,3:3,-CHCHButC6H2But3)}(-C5H5)2], and [FeMo(CO)2(C4Me2Ph2)(-C5H5)2] Michael Green, Nigel K. Jetha, Richard J. Mercer, Nicholas C. Norman and A. Guy Orpen, pp 1843 DOI:10.1039/DT9880001843

The chemistry of heteroallene and heteroallyl derivatives of rhenium. Part 1. Reactivity of mixed carbonyl(formamido)(phosphine)rhenium(I) complexes with RNCS (R = Ph or p-MeC6H4) and PhNCO. Crystal structure of the thiazetidine rhenium(I) complex [Re(CO)2(PPh3)2{PhNC(OEt)-S}] Roberto Rossi, Andrea Marchi, Adriano Duatti, Luciano Magon, Umberto Casellato, Rodolfo Graziani and Ahmed Hussein, pp 1853 DOI:10.1039/DT9880001853

The chemistry of heteroallene and heteroallyl derivatives of rhenium. Part 2. Reactivity of [ReO(OR)Cl2(PPh3)2](R = Me or Et) with RNCS (R = Ph or p-MeC6H4). Crystal structure of the thiazetidine rhenium(V) complex [ReOCl2(PPh3){p-MeC6H4NC(OEt)-S}] Roberto Rossi, Andrea Marchi, Adriano Duatti, Luciano Magno, Umberto Casellato and Rodolfo Graziani, pp 1857 DOI:10.1039/DT9880001857

Homoleptic hexathia complexes of rhodium. The synthesis, electrochemistry, and single-crystal X-ray structure of [RhL2][PF6]3(L = 1,4,7-trithiacyclononane) Alexander J. Blake, Robert O. Gould, Alan J. Holder, Timothy I. Hyde and Martin Schröder, pp 1861 DOI:10.1039/DT9880001861

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 73. Reactions of [WCo(CR)(CO)8](R = C6H4Me-4 or Me) with alkynes. Crystal structures of [WCo{µ-C(C6H4Me-4)C(Me)C(Me)C(O)}(CO)6(PPh3)] and [WCo{µ-C(Ph)C(Me)C(Me)C(OH)}(CO)6(PPh3)][BF4] Ian J. Hart, John C. Jeffery, Markus J. Grosse-Ophoff and F. Gordon A. Stone, pp 1867 DOI:10.1039/DT9880001867

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 74. Salts of the anions [W(CR)(CO)2(5-C2B9H9Me2)]-(R = C6H4Me-2 or C6H3Me2-2,6) as reagents for the synthesis of compounds with heteronuclear metal-metal bonds: crystal structure of [NEt4][FeW(µ-CC6H3Me2-2,6)(CO)5(5-C2B9H9Me2)] Franz-Erich Baumann, Judith A. K. Howard, Rupert J. Musgrove, Paul Sherwood and F. Gordon A. Stone, pp 1879 DOI:10.1039/DT9880001879

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 75. Reactions of octacarbonyldicobalt with the salts [X][W(CR)(CO)2(5-C2B9H9Me2)](X = NEt4 or PPh4; R = Me, Ph, C6H4Me-2, or C6H4Me-4); crystal structure of [PPh4][Co2W(µ3-CPh)(CO)8(5-C2B9H9Me2)]·0.5CH2Cl2 Franz-Erich Baumann, Judith A. K. Howard, Rupert J. Musgrove, Paul Sherwood and F. Gordon A. Stone, pp 1891 DOI:10.1039/DT9880001891

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 76. Alkylidyne-alkyne coupling reactions involving the complexes [WCo(CR)(CO)8](R = Me or C6H4Me-4) Ian J. Hart and F. Gordon A. Stone, pp 1899 DOI:10.1039/DT9880001899

Synthesis and structural study of (2,2-bipyridine)perchlorato(styrene)-copper(I) Hideki Masuda, Katsunosuke Machida, Megumu Munakata, Susuma Kitagawa and Hisao Shimono, pp 1907 DOI:10.1039/DT9880001907

Crystal growth, structure, and properties of KLa(CrO4)2 Isabel Bueno, Carmen Parada, Oscar García, Enrique Gutiérrez Puebla, Angeles Monge and Caridad Ruiz Valero, pp 1911 DOI:10.1039/DT9880001911

A novel tent-like structure of a copper(I) aggregate. The crystal and molecular structure of nona[N-(diethoxythiophosphoryl)-N-phenylisothioureato]decacopper(I) perchlorate Margaret L. Niven, Panos Kyriacou and Tomasz A. Modro, pp 1915 DOI:10.1039/DT9880001915

Synthesis and characterization of diazido-germanium(IV) and -tin(IV) porphyrins. Crystal structure of diazido(5,10,15,20-tetra-p-tolyl-porphyrinato)germanium(IV) Roger Guilard, Jean-Michel Barbe, Mohamed Boukhris and Claude Lecomte, pp 1921 DOI:10.1039/DT9880001921

Tetrazolate rhodium(I) complexes. Crystal structures of the trinuclear complexes [Rh3(µ3-ttz)(µ-Cl)Cl(cod)2(CO)2](ttz = tetrazolate, cod = cyclo-octa-1,5-diene) and [Rh3(µ3-ttz)(µ-Cl)Cl(CO)6], an unusual example of metal-metal interactions Luis A. Oro, M. Teresa Pinillos, Christina Tejel, María C. Apreda, Concha Foces-Foces and Felix H. Cano, pp 1927 DOI:10.1039/DT9880001927

Axial co-ordination and ion-pair formation for R,S,R,S-1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecanenickel(II) perchlorate in various mixed solvents with nitrobenzene Etsuro Iwamoto, Takashi Yokoyama, Shoji Yamasaki, Takashi Yabe, Takahiro Kumamaru and Yuroku Yamamoto, pp 1935 DOI:10.1039/DT9880001935

Synthesis and X-ray crystal structures of an imidazolate-bridged polynuclear copper(II) complex exhibiting a unique helicoid structure and its precursor mononuclear complex Naohide Matsumoto, Sadatoshi Yamashita, Akira Ohyoshi, Susumu Kohata and Hisashi kawa, pp 1943 DOI:10.1039/DT9880001943

Reactions of acetylenes with noble metal carbonyl halides. Part 11. Synthesis of [Pt{CMeC(H)COOMe}(CO)Cl]via polynuclear platinum carbonyls. X-Ray crystal structure determination of the -alkenyl platinum complex [N(PPh3)2][Pt{CMeC(H)CO2Me}(CO)Cl2] Claudio Allevi, Luigi Garlaschelli, Maria Carlotta Malatesta and Fabio Ganazzoli, pp 1949 DOI:10.1039/DT9880001949

Synthesis of new heteronuclear complexes with bridging carbyne ligands between tungsten and gold. X-Ray crystal structure of [AuW(µ-CC6H4Me-4)(CO)2(bipy)(C6F5)Br] Gabino A. Carriedo, Victor Riera, Gema Sánchez and Xavier Solans, pp 1957 DOI:10.1039/DT9880001957

Photoelectron spectroscopic studies of the electronic structure of some silatranes J. Barrie Peel and Wang Dianxun, pp 1963 DOI:10.1039/DT9880001963

Preparation, structure, and nuclear magnetic resonance properties of the nine-vertex nido-rhenaborane [(PMe2Ph)3H2ReB8H11] and some related chemistry Michael A. Beckett, Mark Bown, Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 1969 DOI:10.1039/DT9880001969

Studies on transition-metal oxo and nitrido complexes. Part 9. Periodato and tellurato oxo-ruthenium complexes as organic oxidants. X-Ray crystal structure of trans-NaK5[RuO2(HIO6)2]·8H2O Ahmed M. El-Hendawy, William P. Griffith, Brian Piggott and David J. Williams, pp 1983 DOI:10.1039/DT9880001983

Zinc(II) complexes of dipropylenetriamine and N-(2-aminoethyl)propane-1,3-diamine: a carbon-13 nuclear magnetic resonance study Stephen P. Dagnall, David N. Hague and Anthony D. Moreton, pp 1989 DOI:10.1039/DT9880001989

Discontinuous high spin low spin transition in an iron(II) complex [FeL2(NCS)2] with the pharmaceutical agent bromazepam Peter Adler, Philipp Gütlich, José A. Real and Joaquin Borras, pp 1999 DOI:10.1039/DT9880001999

Notes. Reaction between 1,3-diphenylisobenzofuran and a blue oxyhaemocyanin model compound Yuzo Nishida and Kazuhiro Takahashi, pp 2003 DOI:10.1039/DT9880002003

Ammonium fluoroperoxomonophosphate dihydrate, [NH4]2[PO2(O2)F]·2H2O. First chemical synthesis of a fluorinated peroxophosphate Manish Bhattacharjee and Mihir K. Chaudhuri, pp 2005 DOI:10.1039/DT9880002005

Equilibria and kinetics of dissociation of triphenylphosphine from [N,N-ethylenebis(salicylideneiminato)]bis(triphenylphosphine)ruthenium(II) in benzene Hideo Doine, Hiroshi Fukutomi and Roderick D. Cannon, pp 2007 DOI:10.1039/DT9880002007

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX027

Issue 8

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP029

Kinetics of nucleophilic attack on co-ordinated organic moieties. Part 25. A nucleophilic order for attack upon the [Fe(CO)3(1-5--C7H9)]+ cation Sam G. Evans, Kerry Gilmore and Leon A. P. Kane-Maguire, pp 2009 DOI:10.1039/DT9880002009

The complexation of iron(III) with sulphate, phosphate, or arsenate ion in sodium nitrate medium at 25 °C Ging H. Khoe and Robert G. Robins, pp 2015 DOI:10.1039/DT9880002015

Analytical electron microscopy discloses actual structure of zinc-graphite Alois Fürstner, Hans Weidmann and Ferdinand Hofer, pp 2023 DOI:10.1039/DT9880002023

Novel synthetic routes to disulphur and disulphur monoxide ligands: nucleophilic attack at co-ordinated imino-oxo-4-sulphanes Max Herberhold and Anthony F. Hill, pp 2027 DOI:10.1039/DT9880002027

Copper(II)-assisted hydrolysis of 2,4,6-tris(2-pyridyl)-1,3,5-triazine. Part 1. Crystal structures of [bis(2-pyridylcarbonyl)amido](2-pyridylformamide)-copper(II) perchlorate monohydrate and [bis(2-pyridylcarbonyl)amido]-copper(II) perchlorate Andrés Cantarero, Josep M. Amigó, Juan Faus, Miguel Julve and Tony Debaerdemaeker, pp 2033 DOI:10.1039/DT9880002033

Photoelectron spectra of sulphidoborons XBS where X = H, F, Cl, or Br Roger J. Suffolk, Terry A. Cooper, Evangelos Pantelides, John D. Watts and Harold W. Kroto, pp 2041 DOI:10.1039/DT9880002041

Caesium tetrathiotungstate(VI). Matrix isolation and mass spectrometric studies of a ternary sulphide which is stable in the vapour Ian R. Beattie, Peter J. Jones, Andrew D. Willson and Nigel A. Young, pp 2047 DOI:10.1039/DT9880002047

Synthesis, characterisation, and reactivity of new mononitrosyl complexes of ruthenium containing 2-(arylazo)pyridines: examples of strongly electrophilic nitrosyls Alok Kumar Deb, Pradip Chandra Paul and Sreebrata Goswami, pp 2051 DOI:10.1039/DT9880002051

Phosphorus-31 and selenium-77 nuclear magnetic resonance spectra of tetraphosphorus triselenide Bruce W. Tattershall and Roger Blachnik, pp 2055 DOI:10.1039/DT9880002055

Pentamethylcyclopentadienylrhodaborane chemistry. Part 4. The isolation, molecular structure, and nuclear magnetic resonance study of an interesting phosphino-bridged arachno-type nine-vertex rhodaborane [2,5-(µ-PPh2)-1-(PHPh2)-2-(5-C5Me5)-2-RhB8H9] Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy, Peter MacKinnon and Mark Thornton-Pett, pp 2059 DOI:10.1039/DT9880002059

The co-ordination of small molecules by manganese(II) phosphine complexes. Part 11. The co-ordination of dioxygen by manganese(II) complexes containing long-chain phosphine ligands David S. Barratt, George A. Gott and Charles A. McAuliffe, pp 2065 DOI:10.1039/DT9880002065

Synthesis and dynamic nuclear magnetic resonance studies of co-ordinatively unsaturated alkyne complexes of tungsten(II) Laurence Carlton and Jack L. Davidson, pp 2071 DOI:10.1039/DT9880002071

Structure and stability of cyano-derivatives of organochlorophosphate(V) ions Rusmidah Ali and Keith B. Dillon, pp 2077 DOI:10.1039/DT9880002077

A new modification of TiTe3O8 Osamu Yamaguchi, Daijo Tomihisa and Kiyoshi Shimizu, pp 2083 DOI:10.1039/DT9880002083

Formation and transformation of 3TeO2·Nb2O5 Osamu Yamaguchi, Takahiro Shirai, Yasumichi Mukaida and Kiyoshi Shimizu, pp 2087 DOI:10.1039/DT9880002087

Preparation and characterisation of mixed bismuth and ruthenium clusters; X-ray crystal structures of [Ru3(µ-H)3(CO)9(µ3-Bi)], [Ru3(CO)9(µ3-Bi)2], and [Ru4(CO)12(µ4-Bi)2] Caroline M. Hay, Brian F. G. Johnson, Jack Lewis, Paul R. Raithby and Alan J. Whitton, pp 2091 DOI:10.1039/DT9880002091

Iron-rhodium and iron-iridium complexes containing one bridging Ph2PCH2PPh2(dppm) ligand: crystal structure determination of [(5-C5H5)Fe(µ-CO)2(µ-dppm)RhMe0.4Cl1.6] Bernard L. Shaw, Martin J. Smith, Geoffrey N. Stretton and Mark Thornton-Pett, pp 2099 DOI:10.1039/DT9880002099

Derivatives of [Rh6(CO)13C]2-: solution structure of [Rh6H(CO)13C]- from nuclear magnetic resonance measurements and the X-ray crystal structure of [Rh6(CO)11C(µ-Ph2PCH2CH2PPh2)]2- Silvia Bordoni, Brian T. Heaton, Claudio Seregni, Luisella Strona, Robin J. Goodfellow, Michael B. Hursthouse, Mark Thornton-Pett and Secondo Martinengo, pp 2103 DOI:10.1039/DT9880002103

Anaerobic oxidation of cysteine to cystine by iron(III). Part 2. The reaction in basic solution Reginald F. Jameson, Wolfgang Linert and Axel Tschinkowitz, pp 2109 DOI:10.1039/DT9880002109

Heterocyclic N-oxide ligands: a thermochemical study of adducts with zinc, cadmium, and mercury chlorides Maria L. C. P. da Silva, Aécio P. Chagas and Claudio Airoldi, pp 2113 DOI:10.1039/DT9880002113

Two compounds containing dinuclear three-co-ordinated halogenoargentate(I) anions: crystal structures of bis(tetraphenylphosphonium) di-µ-chlorodichlorodiargentate(I) and bis(tetraphenylphosphonium) di-µ-bromodibromodiargentate(I) Göran Helgesson and Susan Jagner, pp 2117 DOI:10.1039/DT9880002117

Transition metal complexes of substituted 2,2-biquinolines. Part 1. The crystal and molecular structures of [8,8-bis(aminomethyl)-2,2-biquinoline]dichloromanganese(II) and [8,8-bis(aminomethyl)-2,2-biquinoline]chlorocopper(II) chloride Lap-Yan Chung, Edwin C. Constable, Jack Lewis, Paul R. Raithby and Perry T. Kaye, pp 2121 DOI:10.1039/DT9880002121

Synthesis and reactivity of mononuclear molybdenum phosphido complexes, [Mo(CO)2{P(Cl)R}(-C5H5)][R = CH(SiMe3)2 or NCMe2CH2CH2CH2CMe2]. X-Ray crystal structures of [Mo(CO)2{P(X)(NCMe2CH2CH2CH2CMe2)}(-C5H5)](X = Cl or NMe2) and [Mo2(CO)4{µ-P2[CH(SiMe3)2]2}(-C5H5)2] Alan H. Cowley, Dean M. Giolando, Christine M. Nunn, Marek Pakulski, Don Westmoreland and Nicholas C. Norman, pp 2127 DOI:10.1039/DT9880002127

Kinetics of the displacement of cyclobutane-1,1-dicarboxylate from diammine(cyclobutane-1,1-dicarboxylato)platinum(II) in aqueous solution Luciano Canovese, Lucio Cattalini, Gavino Chessa and Martin L. Tobe, pp 2135 DOI:10.1039/DT9880002135

Synthesis and characterization of the new mixed oxides M(VTe)O6(M = K, Rb, or Cs) Susana Garía-Martin, María Luisa Veiga, Antonio Jerez, Manuel Gaitán and Carlos Pico, pp 2141 DOI:10.1039/DT9880002141

Comparisons of thirteen- to sixteen-membered tetra-azacycloalkane copper(II) complexes derived from template syntheses involving nitroethane and formaldehyde. Crystal structures of (10-methyl-10-nitro-1,4,8,12-tetra-azacyclopentadecane)copper(II) and (3-methyl-3-nitro-1,5,9,13-tetra-azacyclohexadecane)copper(II) perchlorates Peter Comba, Neil F. Curtis, Geoffrey A. Lawrance, Margaret A. O'Leary, Brian W. Skelton and Allan H. White, pp 2145 DOI:10.1039/DT9880002145

Electrochemical studies of nickel(II) and cobalt(II) complexes of tetra-azamacrocycles bearing a pyridine functional group and X-ray structures of [NiII(L3)Cl]ClO4 and [NiII(L3)][ClO4]2·H2O {L3=meso-2,3,7,11,12-pentamethyl-3,7,11,17-tetra-azabicyclo[11.3.1]heptadeca-1(17),13,15-triene} Chi-Ming Che, Shing-Tat Mak, Wai-On Lee, Kwok-Wing Fung and Thomas C. W. Mak, pp 2153 DOI:10.1039/DT9880002153

An investigation of the titanium-antimony-oxygen system by X-ray diffraction, antimony-121 Mössbauer spectroscopy, and temperature-programmed reduction Frank J. Berry, Patricia M. Gogarty and John W. Jenkins, pp 2161 DOI:10.1039/DT9880002161

Antimony-doped rutile titanium(IV) oxide Frank J. Berry and Patricia M. Gogarty, pp 2167 DOI:10.1039/DT9880002167

Synthesis and reactivity of dienyl-metal compounds. Part 30. Alkylation of thiolato bridges: a route to stable dialkyl sulphide bridged dinuclear molybdenum complexes. Crystal structure determination of [(-C5H5)(CO)Mo(µ-SMe2)2Mo(PMe3)(-C5H5)][BF4]2 Norbert Kuhn, Edgar Zauder, Roland Boese and Dieter Bläser, pp 2171 DOI:10.1039/DT9880002171

The heteronuclear cluster chemistry of the group 1B metals. Part 9. Stereochemical non-rigidity of the metal skeletons of cluster compounds in solution. 109Ag-{1H} INEPT nuclear magnetic resonance studies on [Ag2Ru4(µ3-H)2{µ-Ph2P(CH2)nPPh2}(CO)12](n= 1, 2, or 4) and X-ray crystal structure of [Ag2Ru4(µ3-H)2(µ-Ph2PCH2PPh2)(CO)12] Scott S. D. Brown, Ian D. Salter, Vladimir ik, Ian J. Colquhoun, William McFarlane, Paul A. Bates, Michael B. Hursthouse and Martin Murray, pp 2177 DOI:10.1039/DT9880002177

Indium(III) halide complexes with trimethylphosphine sulphide and trimethylarsine sulphide: structures and bonding of [InX3(Me3MS)2](X = Cl or Br, M = P or As) and [InCl3(H2O)(Me3AsS)2] Ward T. Robinson, Cuthbert J. Wilkins and Zhang Zeying, pp 2187 DOI:10.1039/DT9880002187

Di- and tri-nuclear complexes of palladium(II) containing doubly- and triply-bridging pyridine-2-thionato (pyS) ligands: crystal structure of [Pd3(C6H4CH2NMe2)3(pyS)2][BF4] Antony J. Deeming, M. Nafees Meah, Paul A. Bates and Michael B. Hursthouse, pp 2193 DOI:10.1039/DT9880002193

Ligand-field traces in three- and five-co-ordinated transition-metal(III) complexes Neil D. Fenton and Malcolm Gerloch, pp 2201 DOI:10.1039/DT9880002201

Diphenylphosphido complexes of the lanthanides: reactions of compounds [Ln{N(SiMe3)2}3](Ln = La or Eu) or [Ln{N(SiMe3)2}3(Ph3PO)](Ln = La, Eu, or Y) with Ph2PH to give [Ln{N(SiMe3)2}2(PPh2)] or [Ln{N(SiMe3)2}2(PPh2)(Ph3PO)] Helen C. Aspinall, Donald C. Bradley and Keith D. Sales, pp 2211 DOI:10.1039/DT9880002211

X-Ray crystal structure of (2,2-bipyrimidine)[1,2-dicyanoethylene-1,2-dithiolato(2-)]platinum(II)-N,N-dimethylformamide and properties of PtS2N2-type complexes Gen-etsu Matsubayashi, Yasuhiro Yamaguchi and Toshio Tanaka, pp 2215 DOI:10.1039/DT9880002215

Scrambling of P-SP and P-SC bonds between tetraphosphorus decasulphide and phosphorotetrathioic esters Michel C. Démarcq, pp 2221 DOI:10.1039/DT9880002221

Notes. Crystal structure of 2,4-bis(phenylthio)-1,3-dithia-25,45-diphosphetane 2,4-disulphide Masataka Yokoyama and Koreharu Ogata, pp 2225 DOI:10.1039/DT9880002225

Co-condensation of molybdenum atoms with the bulky tertiary diphosphine 1,2-bis(di-isopropylphosphino)ethane: the molecular structure of [MoH4(Pri2PCH2CH2PPri2)2] F. Geoffrey N. Cloke, Vernon C. Gibson, Malcolm L. H. Green, Victor S. B. Mtetwa and Keith Prout, pp 2227 DOI:10.1039/DT9880002227

Complex equilibria in aqueous solutions of Ti3+-glycine and -malonic acid István Pócsi and István Fábián, pp 2231 DOI:10.1039/DT9880002231

Ring expansion in dimetallacycle chemistry: preparation of a dimetallacyclopentanol from a dimetallacyclobutane Xavier L. R. Fontaine, Grant B. Jacobsen and Bernard L. Shaw, pp 2235 DOI:10.1039/DT9880002235

Concurrent NCS- substitution at non-equivalent molybdenum(IV) centres of the incomplete cuboidal aqua ion [Mo3(µ3-S)(µ-O)(µ-S)2(H2O)9]4+ Bee-Lean Ooi, Manuel Martinez, Takashi Shibahara and A. Geoffrey Sykes, pp 2239 DOI:10.1039/DT9880002239

Insertion of carbon dioxide into a molybdenum-hydrogen bond. Photochemical formation of hydridoformato complex of molybdenum(II) Takashi Ito and Tetsuaki Matsubara, pp 2241 DOI:10.1039/DT9880002241

Additions and corrections Reginald F. Jameson, Wolfgang Linert, Axel Tschinkowitz and Viktor Gutmann, pp 2243 DOI:10.1039/DT9880002243

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX031

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP033

Structure, vibrational and electronic spectra, and bonding in trans-diaquabis(oxalato)vanadate(III) complex salts, A[V(ox)2(H2O)2]·xH2O (A = Cs, K, or NH3Me), and the X-ray crystal structure of the potassium salt (x= 3) Robert Stranger, Kamaliah Sirat, Peter W. Smith, Ian E. Grey and Ian C. Madsen, pp 2245 DOI:10.1039/DT9880002245

Formation of molecular chromium(IV) oxide (CrO2) by photolysis of Cr(CO)6 in O2-doped argon matrices Matthew J. Almond and Michael Hahne, pp 2255 DOI:10.1039/DT9880002255

The co-ordination of small molecules by manganese(II) phosphine complexes. Part 14. Some novel mixed tertiary phosphine-t-butyl isocyanide complexes of manganese(II): [MnBr2(CNBut)(PPhMe2)] and [Mn(CNBut)4(PR3)2]2+(PR3= PPhMe2, PPh2Me, PPhEt2, or PPrn3), and the X-ray crystal structure of bis(dimethylphenylphosphine)tetrakis(t-butyl isocyanide)manganese(II) bis[tribromo(dimethylphenylphosphine oxide)manganate(II)], [Mn(CNBut)4(PPhMe2)2][MnBr3(OPPhMe2)]2 Brian Beagley, Christopher G. Benson, George A. Gott, Charles A. McAuliffe, Robin G. Pritchard and S. Peter Tanner, pp 2261 DOI:10.1039/DT9880002261

Formation and peroxidatic properties of coprohaem compound I Kathryn R. Bretscher and Peter Jones, pp 2267 DOI:10.1039/DT9880002267

Kinetics of the decomposition of coprohaem compound I in aqueous solution Kathryn R. Bretscher and Peter Jones, pp 2273 DOI:10.1039/DT9880002273

Kinetic studies of the reduction of nickel oxime complexes by tris(1,10-phenanthroline)cobalt(II) and hydroquinone in aqueous media Alexander McAuley, Christopher J. Macdonald, Lee Spencer and Paul R. West, pp 2279 DOI:10.1039/DT9880002279

Synthesis and oxidation reactions of mono- and di-nuclear rhodium carbonyl complexes of (o-diphenylphosphinophenyl)amine, H2L; X-ray structure analysis of a rhodium(II) amido-bridged dimer, [{Rh(µ-HL)(CO)Cl}2]·EtOH Mervyn K. Cooper, Gregory J. Organ, Paul A. Duckworth, Kim Henrick and Mary McPartlin, pp 2287 DOI:10.1039/DT9880002287

Template reactions of 1,4-bis(-carboxybenzylidenehydrazino)phthalazine with cobalt(II), nickel(II), and chromium(III) Ali Ihsan Okur, pp 2293 DOI:10.1039/DT9880002293

Syntheses and reactivity of acetylide-containing clusters of Group 1B metals. Stepwise syntheses of trinuclear [Au2Cu(C2Ph)4]- and pentanuclear [Au3Cu2(C2Ph)6]- and [Au3Ag2(C2Ph)6]- clusters Omar M. Abu-Salah and Abdel Razzak A. Al-Ohaly, pp 2297 DOI:10.1039/DT9880002297

The triphenylphosphine adduct of a copper(I) complex involving an incompletely bound N2S2 macrocyclic ligand Kevin P. Wainwright, Wyona Patalinghug, Brian W. Skelton, Allan H. White and Peter C. Healy, pp 2301 DOI:10.1039/DT9880002301

Synthesis and chemical characterization of the hexanuclear anions [Ir6(CO)14X]-(X = Cl, Br, I, or SCN). Crystal and molecular structures of [PPh4][Ir6(µ-CO)2(CO)12(µ-Br)] and [N(PPh3)2][Ir6(µ-CO)12(µ-X)](X = I or SCN) Roberto Della Pergola, Luigi Garlaschelli, Secondo Martinengo, Francesco Demartin, Mario Manassero and Norberto Masciocchi, pp 2307 DOI:10.1039/DT9880002307

Temperature study of the solution conformations of aqueous lanthanide(III) complexes containing monodentate ligands A. Louis du Preez, Silverkanabathi Naidoo and Robert J. P. Williams, pp 2315 DOI:10.1039/DT9880002315

Mono- and bi-nuclear four-membered methanide auracycles; synthesis and reactivity. X-Ray structure of cis-[Au(C6F5)2(SPPh2O)(CH2PPh2Me)] Rafael Usón, Antonio Laguna, Mariano Laguna, Isabel Lázaro, Peter G. Jones and Christa Fittschen, pp 2323 DOI:10.1039/DT9880002323

On the reduction of iron-sulphur clusters under carbon monoxide Faris T. Al-Ani and Christopher J. Pickett, pp 2329 DOI:10.1039/DT9880002329

The molecular structure of hexaborane(12) in the gas phase as determined by electron diffraction Robert Greatrex, Norman N. Greenwood, Mary B. Millikan, David W. H. Rankin and Heather E. Robertson, pp 2335 DOI:10.1039/DT9880002335

Five-co-ordinate magnesium complexes: synthesis and structure of quadridentate Schiff-base derivatives Fabio Corazza, Carlo Floriani, Angiola Chiesi-Villa, Carlo Guastini and S. Ciurli, pp 2341 DOI:10.1039/DT9880002341

Nucleophilic discrimination and the trans effect. The kinetics of displacement of X from trans-[Pt(L)(X)Cl2]n-(L = Me2SO, Et2S, PMe3, PEt3, PPh3, or AsEt3; X = Cl, n= 1; X = MeOH, n= 0) by neutral and anionic nucleophiles Martin L. Tobe, Andrew T. Treadgold and Lucio Cattalini, pp 2347 DOI:10.1039/DT9880002347

Silver(I)-phenoxyalkanoates. The crystal and molecular structures of polymeric [(4-chloro-2-methylphenoxy)ethanoato-O,O]silver(I), [(2,4-dichlorophenoxy)-ethanoato-O,O]silver(I), and di-µ-[(2-chlorophenoxy)ethanoato-O,O]-disilver(I)-silver(I) perchlorate (1/1) Thomas C. W. Mak, Wai-Hing Yip, Colin H. L. Kennard, Graham Smith and Eric J. O'Reilly, pp 2353 DOI:10.1039/DT9880002353

Metal-phenoxyalkanoic acid interactions. Part 28. Crystal and molecular structures of the sodium, ammonium, and magnesium complexes of (o-phenylenedioxy)diacetic acid Colin H. L. Kennard, Graham Smith, Eric J. O'Reilly, Bradley J. Reynolds and Thomas C. W. Mak, pp 2357 DOI:10.1039/DT9880002357

2-Pyridyl- and quinolin-2-yl-functionalised organyltellurium ligands. The stabilisation of diorganyl tritellurides. The crystal and molecular structures of 2-(2-pyridyl)phenyltellurium(IV) tribromide, dimethyldithiocarbamato[2-(2-pyridyl)phenyl]tellurium(II), and p-ethoxyphenyl 2-(2-pyridyl)phenyl telluride Najih Al-Salim, Antony A. West, William R. McWhinnie and Thomas A. Hamor, pp 2363 DOI:10.1039/DT9880002363

Sulfur-nitrogen bonded metal chelates. Part 17. Reactions of alcohols with the co-ordinated nitrile in nickel(II) complexes [NiL(NCR)][ClO4](L = a S,N,N-tridentate anion; R = Me, Et, or Ph) under different conditions Parimal Paul and Kamalaksha Nag, pp 2373 DOI:10.1039/DT9880002373

A new approach to measurement of the donor strength and co-ordination chemistry of various solvents by oxidation of metal amalgam electrodes in dichloromethane Alan M. Bond and S. Richard Ellis, pp 2379 DOI:10.1039/DT9880002379

Ruthenium(IV)-oxo complexes: a novel hydrophobic effect of tertiary phosphine ligands on the selective oxidation of alcohols Mary E. Marmion and Kenneth J. Takeuchi, pp 2385 DOI:10.1039/DT9880002385

Dinitrogen complexes of osmium(II) with thiolate co-ligands: X-ray structure of mer-[OsCl(SC6F5)(N2)(PMe2Ph)3] Diana Cruz-Garritz, Silvia Gelover, Hugo Torrens, Javier Leal and Raymond L. Richards, pp 2393 DOI:10.1039/DT9880002393

Kinetics of redox reactions between complexes of molybdenum and iron: the oxidation of iron(II) by molybdenum(VI) and of [Mo(H2O)6]3+ by [Fe(H2O)6]3+ Carlos Millan and Hartmut Diebler, pp 2397 DOI:10.1039/DT9880002397

Axially asymmetric metal alkyls. Part 6. Lithiation of 2,2-dimethyl-1,1-binaphthyl and its trimethylsilylated compounds, and of 2,2,6,6-tetramethyl-1,1-biphenyl (asymmetric induction): X-ray crystal structures of monomeric [{Li(Me2NCH2CH2NMe2)}2{(2-CH2C10H6)2}] and [Li{(Me2NCH2CH2)2NMe}{2-CH2-6-Me(C6H3)2-2,6-Me2}] Lutz M. Engelhardt, Wing-Por Leung, Colin L. Raston, Geoffrey Salem, Paul Twiss and Allan H. White, pp 2403 DOI:10.1039/DT9880002403

Aquanonadecatungstodiphosphate(14-) polyanion, [P2W19O69(OH2)]14-: X-ray crystallographic structure of its potassium salt, chemical relationships in the tungstophosphate system, and conversion into the diaquaicosatungstodiphosphate [P2W20O70(OH2)2]10- Claude M. Tourné and Gilbert F. Tourné, pp 2411 DOI:10.1039/DT9880002411

Reactivity of cyclopalladated compounds. Part 18. Compared reactivity of the Pd-C bonds of two closely related six-membered palladocyclic rings with substituted alkynes. X-Ray and molecular structures of [Pd{C(Ph)C(R)C(Ph)C(R)(o-C6H4NCMeNHPh)}Cl](R = CO2Et) and [Pd{C(R)[C(CO2Me)C(R)C(R)C(R)C(R)][o-C6H4NCMe(OH)]}Cl](R = CO2Me) Jairton Dupont, Michel Pfeffer, Jean-Claude Daran and Jacqueline Gouteron, pp 2421 DOI:10.1039/DT9880002421

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 77. Reactions of iron-molybdenum compounds with alkynes; crystal structures of [MoFe{µ-C(C6H4Me-4)C(CHMe)CH2C(Me)C(Me)}(CO)4(-C5H5)], [MoFe{µ-C(C6H4Me-4)C(CHMe)CH2}(CO)5(-C5H5)], and [MoFe{µ-C(C6H4Me-4)C(CH2PMe3)CHMe}(CO)5(-C5H5)] M. Esther Garcia, John C. Jeffery, Paul Sherwood and F. Gordon A. Stone, pp 2431 DOI:10.1039/DT9880002431

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 78. Reactions of [MoFe(µ-CC6H4Me-4)(CO)6(-C5H5)] with alkynes; crystal structures of [MoFe{µ-C(C6H4Me-4)C(O)C(Et)C(Et)}(µ-CO)(CO)4(-C5H5)] and [MoFe{µ-C(C6H4Me-4)C(Me)C[C(O)Me]}(CO)5(-C5H5)] M. Esther Garcia, John C. Jeffery, Paul Sherwood and F. Gordon A. Stone, pp 2443 DOI:10.1039/DT9880002443

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 79. Synthesis and reactions of the alkylidynemetal complexes [M(CR)(CO)2(-C5H5)](R = C6H3Me2-2,6, M = Cr, Mo, or W; R = C6H4Me-2, C6H4OMe-2, or C6H4NMe2-4, M = MO); crystal structure of the compound [MoFe(µ-CC6H3Me2-2,6)(CO)5(-C5H5)] Stephen J. Dossett, Anthony F. Hill, John C. Jeffery, Frank Marken, Paul Sherwood and F. Gordon A. Stone, pp 2453 DOI:10.1039/DT9880002453

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 80. Mixed-metal tungsten and ruthenium compounds F. Gordon A. Stone and Michael L. Williams, pp 2467 DOI:10.1039/DT9880002467

Dinuclear complexes of rhodium and iridium with cyanide or thiocyanate bridges: molecular structure of [(PMe2Ph)3Cl2Ir(µ-CN)IrCl2(PMe2Ph)3][ClO4] Antony J. Deeming, Graeme P. Proud, Helen M. Dawes and Michael B. Hursthouse, pp 2475 DOI:10.1039/DT9880002475

Co-ordination chemistry of higher oxidation states. Part 27. Synthesis, properties, and electrochemistry of some cis-tetrahalogenoiridium(IV) complexes: crystal structure of [Ir(phen)Cl4] Robert A. Cipriano, Lyall R. Hanton, William Levason, Derek Pletcher, Nigel A. Powell and Michael Webster, pp 2483 DOI:10.1039/DT9880002483

Synthesis and crystal structure of [Ru(5-C5H4CH4CH2PPh2)(PPh3)Cl], a compound having a cyclopentadienyl proton with a chemical shift of 1.91 p.p.m. Alexandra M. Z. Slawin, David J. Williams, John Crosby, Jomes A. Ramsden and Colin White, pp 2491 DOI:10.1039/DT9880002491

Thermodynamic and kinetic studies on the complexation reactions of copper(II) with NN-bis(-carbamoylethyl)-trans-cyclohexane-1,2-diamine Ying-Kai Fu, Ching-Hohn Len and Chung-Sun Chung, pp 2495 DOI:10.1039/DT9880002495

Crystal and molecular structure, and spectroscopic characterization of tetrakis(2-amino-1,3,4-thiadiazolium) hexadecabromotetra-antimonate(III) Luciano Antolini, Adriano Benedetti, Antonio C. Fabretti and Aleardo Giusti, pp 2501 DOI:10.1039/DT9880002501

Notes. Formation of carbonato and hydroxo complexes of vanadium(IV) on reaction of carbonylbis(-pentamethylcyclopentadienyl)vanadium(II) with dinitrogen oxide Frank Bottomley and James Darkwa, pp 2505 DOI:10.1039/DT9880002505

The first complexes of cyanogen halides with silver(I): crystal structure of [Ag(NCCl)2][SbF6] Herbert W. Roesky, Jürgen Schimkowiak, Peter G. Jones, Mathias Noltemeyer and George M. Sheldrick, pp 2507 DOI:10.1039/DT9880002507

The oxidation of alkyne-bridged dimolybdenum complexes Catherine Coates, Neil G. Connelly and M. Carmen Crespo, pp 2509 DOI:10.1039/DT9880002509

A tribute to Sir Geoffrey Wilkinson J. Chem. Soc., Dalton Trans. DOI:10.1039/DT988000X035

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX037

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX039

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP037

Preparation and properties of piperazine silicate (EU-19) and a silica polymorph (EU-20) Alexander J. Blake, Kevin R. Franklin and Barrie M. Lowe, pp 2513 DOI:10.1039/DT9880002513

Photochemical and photocatalytic behaviour of flyover-bridge complexes Domenico Osella, Mauro Botta, Roberto Gobetto, Rossano Amadelli and Vittorio Carassiti, pp 2519 DOI:10.1039/DT9880002519

Organohydrazido(2-) complexes of molybdenum and tungsten from ,-dibromides; crystal and molecular structures of (azetidinylimido)bis[1,2-bis-(di-p-tolylphosphino)ethane]bromotungsten bromide-dichloromethane (1/3) Mohamad Abu Bakar, David L. Hughes and G. Jeffery Leigh, pp 2525 DOI:10.1039/DT9880002525

Synthesis and X-ray crystal structure of acetonitriletetrakis(2,4,6-tri-isopropylthiophenolato)molybdenum(IV) Peter T. Bishop, Jonathan R. Dilworth and David L. Hughes, pp 2535 DOI:10.1039/DT9880002535

The direct electrochemical synthesis of tin(II) derivatives of aromatic 1,2-diols, and a study of their oxidative addition reactions Hassan E. Mabrouk and Dennis G. Tuck, pp 2539 DOI:10.1039/DT9880002539

The protonation of molybdenum and tungsten bis(diphosphine)bis(dinitrogen) complexes: the crystal and molecular structure of bis[1,2-bis(diethylphosphino)ethane]bromo[hydrazido(2-)]tungsten bromide-methanol (2/1) Mohamad Abu Bakar, David L. Hughes, Wasif Hussain, G. Jeffery Leigh, Colin J. Macdonald and Hapipah Mohd. Ali, pp 2545 DOI:10.1039/DT9880002545

Metallaheteroborane chemistry. Part 3. Synthesis of [2,2-(PR3)2-1,2-TePtB10H10](R3= Et3, Bun3, or Me2Ph), their characterisation by nuclear magnetic resonance spectroscopy, and the crystal and molecular structure of [2,2-(PEt3)2-1,2-TePtB10H10] J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9880002555

Determination of the thermodynamic equilibrium constants of ion exchange processes Aleksandar Lj. Ruvarac and Djordje M. Petkovi, pp 2565 DOI:10.1039/DT9880002565

Synthesis and characterization of bis(phenyltetrazolato)-germanium(IV) and -tin(IV) porphyrins Nadine Jagerovic, Jean-Michel Barbe, Michel Farnier and Roger Guilard, pp 2569 DOI:10.1039/DT9880002569

Structure and dynamic behaviour of palladium(II) complexes formed from trans-N2S2 macrocyclic ligands and the crystal structure of [PdL1][PF6]2(L1= 7,8,17,18-tetrahydro-6H, 16H-dibenzo[g,o][1,9,5,13]dithiadiazacyclohexadecine) Julianna M. Csavas, Max R. Taylor and Kevin P. Wainwright, pp 2573 DOI:10.1039/DT9880002573

Preparation and redox properties of the cuboidal molybdenum(III) aqua ion [Mo4S4(H2O)12]4+ Christopher Sharp and A. Geoffrey Sykes, pp 2579 DOI:10.1039/DT9880002579

An electron spin resonance and optical study of the behaviour of Cs2[TcNCl5] in hydrochloric acid solutions John Baldas and John F. Boas, pp 2585 DOI:10.1039/DT9880002585

Phosphorus-nitrogen compounds. Part 56. The solution synthesis of some trans-1,3-dialkyl-2,4-diphenyl-2,4-dithiocyclodi-5-phosphazanes and their proton, carbon-13, and phosphorus-31 nuclear magnetic resonance spectra Robert A. Shaw and David A. Watkins, pp 2591 DOI:10.1039/DT9880002591

Comparative metallaborane chemistry: preparation and nuclear magnetic resonance studies of some nido-5-metalladecaboranes of rhodium, iridium, ruthenium, and osmium Mark Bown, Hayat Fowkes, Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy, Peter MacKinnon and Karl Nestor, pp 2597 DOI:10.1039/DT9880002597

Infrared, resonance-Raman, and excitation profile studies of [Os2(O2CCH2Cl)4Cl2], [Os2(O2CC2H5)4Cl2], and [Os2(O2CC3H7)4Cl2]: assignment of osmium-osmium, osmium-oxygen, and osmium-chlorine stretching vibrations Robin J. H. Clark and Andrew J. Hempleman, pp 2601 DOI:10.1039/DT9880002601

Studies on gold(II) complexes with hard and soft donor ligands. Part I. Complexes with o-aminobenzenethiol Aditya P. Koley, Sanchita Purohit, Saktiprovad Ghosh, Lakanaju Sreeramachandra Prasad and Periakaruppan T. Manoharan, pp 2607 DOI:10.1039/DT9880002607

Tertiary phosphine complexes of iron porphyrins: synthesis, molecular stereochemistry, and crystal structure of bis(dimethylphenylphosphine)-(meso-5,10,15,20-tetraphenylporphyrinato)iron(II) Patrick Sodano, Gérard Simonneaux and Loïc Toupet, pp 2615 DOI:10.1039/DT9880002615

An X-ray crystallographic investigation of the structures of pyrazine adducts of diphenyltin dichloride and dimethyltin dichloride Desmond Cunningham, Patrick McArdle, James McManus, Tim Higgins and Kieran Molloy, pp 2621 DOI:10.1039/DT9880002621

Transition-metal carbonyl derivatives of the germanes. Part 17. Tetracarbonylgermyl(trimethylgermyl)iron, [Fe(CO)4(GeH3)(GeMe3)], its conversion into [{Fe(CO)4(GeH2)}2], and hence to [Co4Fe2Ge2(CO)21](characterised by X-ray crystallography)via[Co4Fe2Ge2(CO)22] Skelte G. Anema, Judy A. Audett (née Christie), Kenneth M. Mackay and Brian K. Nicholson, pp 2629 DOI:10.1039/DT9880002629

Transition-metal carbonyl derivatives of the germanes. Part 18. Tetracarbonylbis(permethylgermyl)iron compounds [Fe(CO)4(GeMe3 -xHx)(GeMe3 -yHy)] for x,y= 0-3 Judy A. Audett (neé Christie) and Kenneth M. Mackay, pp 2635 DOI:10.1039/DT9880002635

Rhenium complexes of tetra-aza macrocycles: the synthesis and single-crystal X-ray structure of trans-[Re(O)2(cyclam)]Cl·2(BPh3·H2O) Alexander J. Blake, John A. Greig and Martin Schröder, pp 2645 DOI:10.1039/DT9880002645

Synthesis, characterisation, and catalytic activity of a phosphinidene stabilised tethered triruthenium cluster Valentin D. Alexiev, Norman Binsted, Stephen L. Cook, John Evans, Richard J. Price, Nigel J. Clayden, Christopher M. Dobson, Deborah J. Smith and G. Neville Greaves, pp 2649 DOI:10.1039/DT9880002649

Molecular helicity in inorganic complexes: double helical binuclear complexes of 2,2 : 6,2 : 6,2 : 6,2?-quinquepyridine (L): crystal structures of [Cu2L2(O2CMe)][PF6]3·H2O and [Cu2L2][PF6]3·2MeCN Mark Barley, Edwin C. Constable, Stuart A. Corr, Roderick C. S. McQueen, Jennifer C. Nutkins, Michael D. Ward and Michael G. B. Drew, pp 2655 DOI:10.1039/DT9880002655

Reactions of 1,2-dicarbonyls with metallic copper under argon and dioxygen. Oxidative C-C bond scission by metallic copper Gábor Speier and Zoltán Tyeklár, pp 2663 DOI:10.1039/DT9880002663

Addition of halogens to [{Au(CH2)2PPh2}2RX] complexes. The structures of cis,trans-[{Au(CH2)2PPh2}2(CH2CF3)Br3] and trans,trans-[{Au(CH2)2PPh2}2(CHCl2)Br2Cl] Henry H. Murray III , Leigh C. Porter, John P. Fackler jun.  and Raphael G. Raptis, pp 2669 DOI:10.1039/DT9880002669

Notes. Co-ordination kinetics of some aliphatic amines towards the photogenerated transient CoH{PPh(OEt)2}3 Masayoshi Onishi, Isato Takaki, Katsuma Hiraki and Shigero Oishi, pp 2675 DOI:10.1039/DT9880002675

Synthesis and properties of pentachloro(ligand)iridate(IV) anions [IrLCl5]-(L = pyridine, PPh3, AsPh3, SbPh3, SMe2, SPh2, or SeMe2) Robert A. Cipriano, William Levason, Roy A. S. Mould, Derek Pletcher and Nigel A. Powell, pp 2677 DOI:10.1039/DT9880002677

Intermolecular dimerisation of copper porphyrins and their radical cations. An electron spin resonance study James A. Cowan, pp 2681 DOI:10.1039/DT9880002681

Additions and corrections Ian J. Hart, John C. Jeffery, Markus J. Grosse-Ophoff, F. Gordon A. Stone, Bee-Lean Ooi, Manuel Martinez, Takashi Shibahara and A. Geoffrey Sykes, pp 2683 DOI:10.1039/DT9880002683

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX041

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX043

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP041

Preparation of carbonyl, halogeno, and alkyl niobocene complexes and their reactions with oxygen. Crystal structures of [Nb(-C5H4SiMe3)2Cl2], [Nb(-C5H4SiMe3)2(O)Me], and [Nb(-C5H4SiMe3)2(C6F5)(CO)] Antonio Antiñolo, Jesúas Martínez de Ilarduya, Antonio Otero, Pascual Royo, Anna Maria Manotti Lanfredi and Antonio Tiripicchio, pp 2685 DOI:10.1039/DT9880002685

Electron spin resonance studies of organometallic manganese(0) radicals spin trapped by 9,10-phenanthroquinone and its derivatives Sen Ren Wang, Cheu Pyeng Cheng and Tong-Ing Ho, pp 2695 DOI:10.1039/DT9880002695

Molten acetamide-potassium thiocyanate eutectic: spectroscopy of first-row transition metal compounds in a room temperature melt Ibrahim Y. Isaac and David H. Kerridge, pp 2701 DOI:10.1039/DT9880002701

Redox reactions of osmium porphyrins Shlomo Mosseri, Pedatsur Neta, Peter Hambright, Dina Y. Sabry and Anthony Harriman, pp 2705 DOI:10.1039/DT9880002705

Synthesis and structures of phosphinidene and phosphido complexes of iron and cobalt Atta M. Arif, Alan H. Cowley, Marek Pakulski, Mary-Ann Pearsall, William Clegg, Nicholas C. Norman and A. Guy Orpen, pp 2713 DOI:10.1039/DT9880002713

Lanthanide(III)-catalysed addition of glycolate to maleate. Investigation of intermediates using multinuclear magnetic resonance spectroscopy Jeroen van Westrenen, Joop A. Peters, Antonius P. G. Kieboom and Herman van Bekkum, pp 2723 DOI:10.1039/DT9880002723

Synthesis and spectroscopic properties of the mixed seven-co-ordinate complexes [MI2(CO)3L(L)][M = Mo or W; L,L= PPh3, PPh2(C6H11), PPh(C6H11)2, AsPh3, or SbPh3] and rearrangement of selected [MI2(CO)3L(L)] to [HL][MI3(CO)3L]. X-Ray crystal structure of [PPh2(C6H11)H][WI3(CO)3(SbPh3)]·Et2O Paul K. Baker, Stuart G. Fraser and Michael G. B. Drew, pp 2729 DOI:10.1039/DT9880002729

Uncommon complex stoicheiometry in solvent extraction: solution-phase dicationic complex formation of crown ethers Yoshihisa Inoue, Yu Liu, Fumie Amano, Mikio Ouchi, Akira Tai and Tadao Hakushi, pp 2735 DOI:10.1039/DT9880002735

Metallaheteroborane chemistry. Part 4. The synthesis of closo-[2,2-(PPh3)2-2-H-1,2-XMB10H10](X = Se or Te, M = Rh or Ir) compounds, their characterisation by nuclear magnetic resonance techniques, and the crystal and molecular structure of the X = Te, M = Rh complex J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9880002739

Crystal structure and magnetic properties of the complex [Cu(en)2]2[{Fe(edta)}2O]·2H2O. A heterobimetallic CuII-FeIII system containing a µ-oxo-di-iron(III) moiety Pedro Gomez-Romero, Geoffrey B. Jameson, Juan J. Borras-Almenar, Emilio Escriva, Eugenio Coronado and Daniel Beltran, pp 2747 DOI:10.1039/DT9880002747

Protonation versus oxidation in the reactions of trifluoroacetic acid with dinuclear osmium(I) complexes: molecular structure of [Os2(MeCo2)2(µ-H)(CO)4(PMe2Ph)2][PF6] Antony J. Deeming, Neil P. Randle, Paul A. Bates and Michael B. Hursthouse, pp 2753 DOI:10.1039/DT9880002753

The infrared spectra of matrix isolated thorium and uranium tetrachlorides. Change of shape with matrix gas Ian R. Beattie, Peter J. Jones, Keith R. Millington and Andrew D. Willson, pp 2759 DOI:10.1039/DT9880002759

The preparation of 5,7,7,12,14-pentamethyl-1,4,8,11-tetra-azacyclotetradeca-4,11-diene and its complexes with copper(II), nickel(II), zinc(II), and cobalt(III) Robert W. Hay, M. Akbar Ali and Bakir Jeragh, pp 2763 DOI:10.1039/DT9880002763

The syntheses and electrochemistry of some molybdenum mononitrosyl complexes containing the tripodal ligand [Co(5-C5H5){P(O)(OEt)2}3]- Sithy S. Salam, Christopher J. Jones and Jon A. McCleverty, pp 2769 DOI:10.1039/DT9880002769

Phosphorus-31 and carbon-13 nuclear magnetic resonance studies of unsymmetrical tetra-alkyldiphosphanes R1R2PPMe2 and R1R2PPEt2 Ahmed A. M. Ali and Robin K. Harris, pp 2775 DOI:10.1039/DT9880002775

Organic chemistry of dinitrogen and related ligands. Part 7. N-Vinylation or oxidative replacement of the hydrazido(2-) ligand in reactions of [WX(dppe)2(NNH2)]Y (dppe = Ph2PCH2CH2PPh2, X = F or Br, Y = BF4 or Br) with cyanoalkenes. X-Ray crystal structure of [WBr(dppe)2{NC(Br)-C(CN)C(CN)2}] Howard M. Colquhoun, Allan E. Crease, Stephen A. Taylor and David J. Williams, pp 2781 DOI:10.1039/DT9880002781

The heteronuclear cluster chemistry of the group 1B metals. Part 10. Synthesis, structures, and dynamic behaviour of the bimetallic hexanuclear group 1B metal cluster compounds [M2Ru4(µ3-H)2{µ-Ph2As(CH2)nEPh2}(CO)12](M = Cu or Ag; E = As or P; n= 1 or 2). X-Ray crystal structure of [Cu2Ru4(µ3-H)2{µ-Ph2As(CH2)2PPh2}(CO)12] Scott S. D. Brown, Paul J. McCarthy, Ian D. Salter, Paul A. Bates, Michael B. Hursthouse, Ian J. Colquhoun, William McFarlane and Martin Murray, pp 2787 DOI:10.1039/DT9880002787

Proton nuclear magnetic resonance studies on haemin chloride in pyridine-water solution Shyamalava Mazumdar, Laxmichand B. Dugad, Okhil K. Medhi and Samaresh Mitra, pp 2797 DOI:10.1039/DT9880002797

Studies on olefin-co-ordinating transition metal carbene complexes. Part 12. Novel synthesis and structural characterization of (6-arene)dicarbonyliron complexes, and their oxidation products Jiabi Chen, Jianguo Yin, Zhaochang Fan and Weihua Xu, pp 2803 DOI:10.1039/DT9880002803

Pentamethylcyclopentadienylrhodaborane chemistry. Part 5. Preparation, molecular structure, and nuclear magnetic resonance spectra of the arachno ten-vertex rhodadecaboranes [6-(5-C5Me5)-6,9-(RNC)2-arachno-6-RhB9H11](R = Me or p-MeC6H4) Xavier L. R. Fontaine, Norman N. Greenwood, John D. Kennedy, Peter MacKinnon and Mark Thornton-Pett, pp 2809 DOI:10.1039/DT9880002809

Complexes of ligands providing endogenous bridges. Part 6. The X-ray crystal structure and magnetic properties of a hexanuclear copper(II) aggregate bearing µ3-Cu3(OH) cores supported by 4-nitro-2,6-bis[(salicylideneamino)methyl]phenolate ligands Neil A. Bailey, David E. Fenton, Richard Moody, Peter J. Scrimshire, Elie Beloritzky, Pascal H. Fries and Jean-Marc Latour, pp 2817 DOI:10.1039/DT9880002817

Synthesis and characterization of the novel copper(I) anion [Cu(PPh3)Br2]- Graham A. Bowmaker, Brian W. Skelton, Allan H. White and Peter C. Healy, pp 2825 DOI:10.1039/DT9880002825

Synthesis and characterization of a crown-ether substituted salicylaldimine Schiff-base ligand and its complexes with cobalt(II), copper(II), nickel(II), and uranyl(VI) Sevket Can and Özer Bekârolu, pp 2831 DOI:10.1039/DT9880002831

The bis(methylene) metaphosphite, [P(CH2)2]-, and tris(methylene) metaphosphate, [P(CH2)3]-, families of anions. An experimental and ab initio study Richard A. J. O'Hair, John C. Sheldon and John H. Bowie, pp 2837 DOI:10.1039/DT9880002837

Preparation, characterisation, and intramolecular electron-transfer studies on the penta-ammineruthenium histidine-modified high-potential iron-sulphur protein from Chromatium vinosum Martin P. Jackman, Meng-Chay Lim, A. Geoffrey Sykes and G. Arthur Salmon, pp 2843 DOI:10.1039/DT9880002843

3- and 7-Cycloheptatrienyltungsten chemistry: synthesis of [W (5-C7H9)(3-C7H7)(PMe3)2] and [W(-C7H7)(3-C7H11)(PMe3)] Malcolm L. H. Green, Dileni K. Siriwardene, Dermot O'Hare and Luet-Lok Wong, pp 2851 DOI:10.1039/DT9880002851

Co-ordinatively unsaturated alkyne complexes of tungsten: synthesis and dynamic nuclear magnetic resonance studies of some but-2-yne derivatives Jack L. Davidson and Guiseppe Vasapollo, pp 2855 DOI:10.1039/DT9880002855

Mössbauer and preparative studies of some iron(II) complexes of diphosphines J. Elaine Barclay, G. Jeffery Leigh, Andrew Houlton and Jack Silver, pp 2865 DOI:10.1039/DT9880002865

Crystal and molecular structures of four bis(diphosphine) complexes of iron(II): bis[1,2-bis(diethylphosphino)ethane]di-iodoiron(II), dichloro-bis[o-phenylenebis(diphenylphosphine)]iron(II), bis(acetonitrile)bis-[o-phenylenebis(diphenylphosphine)]iron(II) di-iodide, and iodobis-[o-phenylenebis(diphenylphosphine)]iron(II) iodide J. Elaine Barclay, Adrian Hills, David L. Hughes and G. Jeffery Leigh, pp 2871 DOI:10.1039/DT9880002871

Co-ordination chemistry of ruthenium with chelating amine ligands: synthesis and X-ray structural study of the N6-co-ordinated ruthenium(II) complex of 1,4,8,11-tetrakis(2-pyridylmethyl)-1,4,8,11-tetra-aza-cyclotetradecane Chi-Ming Che, Wai-Tong Tang and Thomas C. W. Mak, pp 2879 DOI:10.1039/DT9880002879

Notes. High-valent ruthenium oxo complexes of NNNN-tetramethyl-3,6-dimethyl-3,6-diazaoctane-1,8-diamine (L1). X-Ray crystal structure determination of cis-[RuIII(L1)Cl2]ClO4 Chi-Ming Che, Wai-Tong Tang, Michael Hon-Wah Lam and Thomas C. W. Mak, pp 2885 DOI:10.1039/DT9880002885

Structural comparison of cluster compounds containing an edge-bridging M(PPh3)(M = Cu, Ag, or Au) fragment. X-Ray crystal structure of [AgRu3(CO)9(C2But)(PPh3)] Trushar Adatia, Mary McPartlin and Ian D. Salter, pp 2889 DOI:10.1039/DT9880002889

Co-ordination behaviour of dioxouranium(VI) nitrate in water-acetone mixtures M. Emília D. G. Azenha, Hugh D. Burrows, Sebastião J. Formosinho, M. Luísa P. Leitão and Maria da Graça M. Miguel, pp 2893 DOI:10.1039/DT9880002893

Reactions of [Ru(5-C5H5)CIL2](L = PPh3, AsPh3, or SbPh3; L2= Ph2PCH2CH2PPh2 or Ph2PCH2PPh2) with 1,4-piperazinedicarbonitrile or 1-piperidinecarbonitrile in the presence of an anion (BF4-, PF6-, BPh4-, or ClO4-) Anjali Mishra and Umesh C. Agarwala, pp 2897 DOI:10.1039/DT9880002897

Reconsideration of the crystal structure refinement of the complex [PPh4][W(CC6H4Me-4)(CO)2(5-C2B9H9Me2)] Owen Johnson, Judith A. K. Howard, Moshe Kapan and George M. Reisner, pp 2903 DOI:10.1039/DT9880002903

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX045

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FX047

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800FP045

Stepwise ligand dissociation and multiple changes in oxidation state in the fast atom bombardment mass spectra of cyanometalate complexes of transition metals Keith R. Jennings, Terence J. Kemp and Barbara Sieklucka, pp 2905 DOI:10.1039/DT9880002905

X-Ray crystal and molecular structure of phenyl(triphenylphosphine)-mercury(II) nitrate Tarlok S. Lobana, (Miss) Maninderjeet K. Sandhu, David C. Povey and Glen W. Smith, pp 2913 DOI:10.1039/DT9880002913

Crystal structure and spectroscopic properties of mercury(II) halide complexes. Part 4. Crystal and molecular structure and circular dichroism spectra of the chiral 1 : 1 adduct (S)s(S)c(-)589-methyl 2-phenylbutyl thioether-mercury(II) chloride Paolo Biscarini and Giancarlo Pelizzi, pp 2915 DOI:10.1039/DT9880002915

Synthesis and reactivity of N,N-dialkylcarbamato complexes of manganese(II). Crystal and molecular structure of [Mn6(O2CNEt2)12], a hexamer with four five-co-ordinated manganese(II) atoms Antonio Belforte, Fausto Calderazzo and Pier Francesco Zanazzi, pp 2921 DOI:10.1039/DT9880002921

Water-soluble hexadentate Schiff-base ligands as sequestrating agents for iron(III) and gallium(III) Dennis F. Evans and David A. Jakubovic, pp 2927 DOI:10.1039/DT9880002927

The nitrogen-15 nuclear magnetic resonance criterion of bond angle in diazenido-complexes Barry L. Haymore, Mark Hughes, Joan Mason and Raymond L. Richards, pp 2935 DOI:10.1039/DT9880002935

Synthetic and structural studies on organomolybdenum and organotunsten complexes containing bismuth. X-Ray crystal structures of [BiCl{Mo(CO)3(-C5H5)}2] and [BiCl{Mo(CO)2(CNBut)(-C5H5)}2] William Clegg, Neville A. Compton, R. John Errington, Nicholas C. Norman, Andrew J. Tucker and Mark J. Winter, pp 2941 DOI:10.1039/DT9880002941

Dinuclear allyl and µ-vinyl complexes from the reactions of a µ-hydrido dimanganese and a µ-hydrido manganese-molybdenum complex with alkynes containing -methyl or -methylene substituents Andrew D. Horton, Alan C. Kemball and Martin J. Mays, pp 2953 DOI:10.1039/DT9880002953

Synthesis and co-ordination chemistry of two penta-azamacrocycles containing a 1,4-piperazine backbone. Crystal structure determinations of 6,12-dioxo-1,5,13,17,22-penta-azatricyclo[15.2.2.17,11]docosa-7(22),8,10-triene and 1,5,13,17,22-penta-azatricyclo[15.2.2.17,11]docosa-7(22),8,10-trienenickel(II) perchlorate Nathaniel W. Alcock, Peter Moore, C. James Reader and S. Mark Roe, pp 2959 DOI:10.1039/DT9880002959

Electrophilic behaviour of nitrosyls: the reactions of ketones with nitrosyls and the crystal and molecular structure of the product of the reaction between trans-chloro(nitrosyl)tetra(pyridine)ruthenium and acetone Frank Bottomley, Peter S. White, Masao Mukaida, Kazutoshi Shimura and Hidetake Kakihana, pp 2965 DOI:10.1039/DT9880002965

Structures of borate-aldohexose and borate-chetohexose complexes in aqueous solution. A thermodynamic study Roberto Aruga, pp 2971 DOI:10.1039/DT9880002971

Synthesis of cyclometallated naphthylpalladium complexes via transmetallation reactions of naphthylmercury with palladium species. Crystal structure determination of [{Pd(mxn)(O2CMe)}2] Erik Wehman, Gerard van Koten, Johann T. B. H. Jastrzebski, Houssaine Ossor and Michel Pfeffer, pp 2975 DOI:10.1039/DT9880002975

Synthesis, X-ray structure, and reactivity with Lewis acids of metallacyclopentane derivatives of rhodium(III) and iridium(III). Observation of the first boron trifluoride-promoted C-H bond activation in transition metal alkyls Roberto Bertani, Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, Fabio Marchetti, Victor Adovasio, Mario Nardelli and Sergio Pucci, pp 2983 DOI:10.1039/DT9880002983

Dicopper(II) complexes of a binucleating N4 macrocycle containing mono- and di-atomic bridges; magnetic interactions mediated by alkoxo- and diaza-bridging ligands. Crystal structures of [Cu2(L1)(pz)2][ClO4]2, [Cu2(L1)(OEt)2(NCS)2], and [Cu2(L1)(OMe)2(MeCN)2][BPh4]2 Michael G. B. Drew, Paul C. Yates, Ferida S. Esho, Jadwiga Trocha-Grimshaw, Aidan Lavery, Kieran P. McKillop, S. Martin Nelson and Jane Nelson, pp 2995 DOI:10.1039/DT9880002995

Synthesis of heterobimetallic complexes containing cobalt-platinum or rhodium-platinum dative bonds. Molecular structure of [(5-C5H5)(CO)2RhPt(C6F5)2(CO)] Rafael Usón, Juan Forniés, Pablo Espinet, Consuelo Fortuño, Milagros Tomas and Alan J. Welch, pp 3005 DOI:10.1039/DT9880003005

Nucleophilic (Michael) additions to (Ph2P)2CCH2 when chelated to dimethylplatinum(II), di(o-tolyl)platinum(II), or iodo(trimethyl)platinum(IV). Crystal structure of [PtMe3I{(PPh2)CH(PPh2)CH2NHCH2Ph}] Fatma S. M. Hassan, Simon J. Higgins, Grant B. Jacobsen, Bernard L. Shaw and Mark Thornton-Pett, pp 3011 DOI:10.1039/DT9880003011

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 81. Reactions of the compound [Fe2(µ-CH2)(CO)8] with alkylidyne-molybdenum and -tungsten complexes. Reactivity of the product [WFe{µ-:-CHCH(C6H4Me-4)}(CO)6(-C5H5)], and crystal structures of the species [W2Fe(µ3-CC6H4Me-4){µ-:-C(C6H4Me-4)Ch2}(CO)6(-C5H5)2] and [WFe{µ-C(Et)C(Et)C(H)Ch(C6H4Me-4)}(µ-CO)(CO)4(-C5H5)] John C. Jeffery, Michael J. Parrott and F. Gordon A. Stone, pp 3017 DOI:10.1039/DT9880003017

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 82. Dimetallic compounds prepared from the complexes [MR2(-C5H5)2](R = Cl or Bun; M = Ti or Zr) Anthony F. Hill, Heike D. Hönig and F. Gordon A. Stone, pp 3031 DOI:10.1039/DT9880003031

Chemistry of polynuclear metal complexes with bridging carbene or carbyne ligands. Part 83. Molybdenum and tungsten complexes containing the alkylidyne group C{6-C6H4(OMe-2)Cr(CO)3} José R. Fernández and F. Gordon A. Stone, pp 3035 DOI:10.1039/DT9880003035

Crystal structures and magnetic properties of the mono-µ-halogeno-bridged copper(II) chains Cu(pcpci)X [pcpci =N-(2-pyridylcarbonyl)pyridine-2-carboximidate, X = Cl or Br] José V. Folgado, Eugenio Coronado, Daniel Beltrán-Porter, Ramón Burriel, Amparo Fuertes and Carles Miravitlles, pp 3041 DOI:10.1039/DT9880003041

Adducts of trimethylaluminium with phosphine ligands; electronic and steric effects Andrew R. Barron, pp 3047 DOI:10.1039/DT9880003047

Stereoelectronic effects in R-NSN-R systems. An MNDO and ab initio SCFMO study Henry S. Rzepa and J. Derek Woollins, pp 3051 DOI:10.1039/DT9880003051

Notes. Heterobimetallic clusters derived from [MS4]2-(M = Mo or W): synthesis and structural characterization of [NMe4]4[(CuCl)5Cl2WS4], a double cubane-like complex Francis Sécheresse, Jean-Marié Manoli, Claude Potvin and Saïd Marzak, pp 3055 DOI:10.1039/DT9880003055

X-Ray crystal structure of tetra-acetatobis(tetrathiafulvalene)dirhodium(II) and the properties of its iodine-doped complex Gen-etsu Matsubayashi, Kenji Yokoyama and Toshio Tanaka, pp 3059 DOI:10.1039/DT9880003059

Additions and corrections M. Esther Garcia, John C. Jeffery, Paul Sherwood, F. Gordon A. Stone, Gábor Speier and Zoltán Tyeklár, pp 3063 DOI:10.1039/DT9880003063

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BX049

Back matter J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98800BP049