1983 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP001

Crystal structure and normal co-ordinate analysis of diaqua(oxydiacetato)sulphatothorium(IV) monohydrate Rodolfo Graziani, Giovanni A. Battiston, Umberto Casellato and Gino Sbrignadello, pp 1 DOI:10.1039/DT9830000001

Vanadium antimonate Frank J. Berry, Michael E. Brett and William R. Patterson, pp 9 DOI:10.1039/DT9830000009

Structural investigations of the vanadium-antimony-oxygen system Frank J. Berry, Michael E. Brett and William R. Patterson, pp 13 DOI:10.1039/DT9830000013

Nuclear quadrupole resonance and stereochemistry. Part 7. The axial and equatorial chlorine atoms in octahedral complexes of antimony pentachloride, SbCl5L (L = donor ligand) Joyce Rupp-Bensadon and Edwin A. C. Lucken, pp 19 DOI:10.1039/DT9830000019

Synthesis and magnetochemical. Spectroscopic, and structural studies of new tris(NN-dialkyldiselenocarbamato)iron(IV) tetrafluoroborate complexes Paola Deplano, Emanuele F. Trogu, Francesco Bigoli, Enrico Leporati, Maria Angela Pellinghelli, Dale L. Perry, Robert J. Saxton and Lon J. Wilson, pp 25 DOI:10.1039/DT9830000025

The hydrolysis of metal ions. Part 5. Thorium(IV) Paul L. Brown, John Ellis and Ronald N. Sylva, pp 31 DOI:10.1039/DT9830000031

The hydrolysis of metal ions. Part 6. Scandium(III) Paul L. Brown, John Ellis and Ronald N. Sylva, pp 35 DOI:10.1039/DT9830000035

Light-induced electron-transfer reactions. Part 1. Kinetics of formation of hydrogen peroxide by irradiation with visible light of aqueous solutions containing tris(2,2-bipyridine)ruthenium(II), oxalic acid, manganese(II), and oxygen Masaru Kimura and Sachiyo Doi, pp 37 DOI:10.1039/DT9830000037

The X-ray crystal structure determination of tetraphenylarsonium tris(5-cyclopentadienyl)di-isothiocyanatouranate(IV) Gabriella Bombieri, Franco Benetollo, Kenneth W. Bagnall, Martin J. Plews and David Brown, pp 45 DOI:10.1039/DT9830000045

Mechanism of the base-catalysed substitution of halide for methoxide in the reactions of trans-[W(NH)X(Ph2PCH2CH2PPh2)2]+(X = Cl, Br, or I) Richard A. Henderson, pp 51 DOI:10.1039/DT9830000051

Oxygen, sulphur, and selenium abstraction from WCl4Y (Y = O, S, or Se) by triphenylphosphine. Crystal and molecular structure of tetrachlorobis(triphenylphosphine)tungsten(IV) Michael G. B. Drew, Elizabeth M. Page and David A. Rice, pp 61 DOI:10.1039/DT9830000061

Synthesis and X-ray structure of the tetrameric molybdenum complex [C16H13N2S2]+2[Mo4Cl4O8(OEt)4]2- Marisa Ferrari Belicchi, Giovanna Gasparri Fava and Corrado Pelizzi, pp 65 DOI:10.1039/DT9830000065

Nitrosyl complexes of molybdenum and tungsten. Part 17. Hydrazido(1-) complexes of [tris(3,5-dimethylpyrazolyl)borato]molybdenum, related tungsten compounds, and the structures of NN-dimethylhydrazido(1-)- and N-methyl-N-phenylhydrazido(1-)iodo(nitrosyl)[tris(3,5-dimethylpyrazol-1-yl)borato]molybdenum Jon A. McCleverty, A. Elizabeth Rae, Iwona Woochowicz, Neil A. Bailey and John M. A. Smith, pp 71 DOI:10.1039/DT9830000071

Arylamido and aryloxy complexes of nitrosyl[tris(3,5-dimethylpyrazolyl)borato]molybdenum, some mixed alkoxy/aryloxy and aryloxy/monoalkylamido species, and the structures of [Mo{HB(3,5-Me2C3N2H)3}(NO)I(NHC6H4R-p)](R = Me and OMe) Jon A. McCleverty, Gianfranco Denti, Sarah J. Reynolds, A. Stephen Drane, Nabil El Murr, A. Elizabeth Rae, Neil A. Bailey, Harry Adams and John M. A. Smith, pp 81 DOI:10.1039/DT9830000081

Mono- and bis-thiolato, mixed thiolato-monoalkylamido, and thiolato-alkoxy complexes of nitrosyl[tris(3,5-dimethylpyrazolyl)borato]molybdenum, and the crystal and molecular structure of [Mo{HB(3,5-Me2C3N2H)3}(NO)I(SC6H11)] Jon A. McCleverty, A. Stephen Drane, Neil A. Bailey and John M. A. Smith, pp 91 DOI:10.1039/DT9830000091

Tin-119 nuclear magnetic resonance study of trimethylstannylhydrazines Theo Gasparis-Ebeling, Heinrich Nöth and Bernd Wrackmeyer, pp 97 DOI:10.1039/DT9830000097

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 15. Reactions of the complex [W(CR)(CO)2(-C5H5)](R = C6H4Me-4) with iron carbonyls; crystal structures of [Fe2W(µ3-CR)(µ-CO)(CO)8(-C5H5)] and [FeW2(µ3-RC2R)(CO)5L(-C5H5)2](L = CO or O) Luigi Busetto, John C. Jeffery, Rona M. Mills, F. Gordon A. Stone, Michael J. Went and Peter Woodward, pp 101 DOI:10.1039/DT9830000101

The reaction of co-ordinated cyclo-octatetraene with arenediazonium ions: azo-coupling vs. arylation Neil G. Connelly, Andrew R. Lucy and Mark W. Whiteley, pp 111 DOI:10.1039/DT9830000111

The reactions of [Fe(CO)3-n{P(OMe)3}n(5-C8H8R)]+ with halide ions : ring opening of 5-bicyclo-octadienyl (R= H), and methyl halide elimination of 5-cyclo-octatrienyl (R= N2R, where R = aryl) complexes Neil G. Connelly, Andrew R. Lucy and Mark W. Whiteley, pp 117 DOI:10.1039/DT9830000117

Reduction-oxidation properties of organotransition-metal complexes. Part 15. Synthesis, electrochemistry, and reactivity of the radical cations [Co(CO)2-nLn(-C5R5)]+(n= 1 or 2, L = phosphine, R = H or Me) Karen Broadley, Neil G. Connelly and William E. Geiger, pp 121 DOI:10.1039/DT9830000121

Decomposition of the product of methoxypalladation of dichloro(2,2-dimethylbut-3-enyl methyl sulphide)palladium (II). Identification of an -alkoxyalkylpalladium(II) intermediate Robert McCrindle and Alan J. McAlees, pp 127 DOI:10.1039/DT9830000127

Co-ordination chemistry of higher oxidation states. Part 4. Palladium(IV) complexes of nitrogen, phosphorus, and arsenic donor ligands. Crystal and molecular structures of [Pd(bipy)Cl4] and [Pd{o-C6H4(AsMe2)2}2Cl2][ClO4]2 Leslie R. Gray, David J. Gulliver, William Levason and Michael Webster, pp 133 DOI:10.1039/DT9830000133

Iron complexes of N-substituted thiosalicylideneimines. Part 1. Synthesis and reactions with oxygen and carbon monoxide Peter J. Marini, Keith S. Murray and Bruce O. West, pp 143 DOI:10.1039/DT9830000143

Trifluoroacetate complexes of cobalt(II), nickel(II), and copper(II) with pyridine-type ligands. Part 5. Dynamic nuclear magnetic resonance studies of cis-trans isomerism Alan Goodacre and Keith G. Orrell, pp 153 DOI:10.1039/DT9830000153

Influence of ligand modification on the kinetics of the reactions of iron(III) porphyrins with hydrogen peroxide in aqueous solutions Peter Jones, David Mantle and Ian Wilson, pp 161 DOI:10.1039/DT9830000161

Studies on nickel, palladium, and platinum dithiolates Munir M. Ahmad and Allan E. Underhill, pp 165 DOI:10.1039/DT9830000165

Notes. Synthesis, crystal and molecular structure of the compound dichlorobis[2-(phenylazo)phenyl-C1N2]tin(IV) José L. Briansó, Xavier Solans and José Vicente, pp 169 DOI:10.1039/DT9830000169

Multinuclear magnetic resonance studies on [Rh4(CO)12-xLx][L = P(OPh)3, x= 1-4] Brian T. Heaton, Luisella Strona, Roberto Della Pergola, Luigi Garlaschelli, Ugo Sartorelli and Ian H. Sadler, pp 173 DOI:10.1039/DT9830000173

Synthesis of a macrocyclic metal complex incorporating peripheral hydroxyethyl tails: the X-ray structure of [Mn(L1)Cl][BF4]·4H2O Christopher W. G. Ansell, Jack Lewis, Paul R. Raithby and Timothy D. O'Donoghue, pp 177 DOI:10.1039/DT9830000177

Synthesis and characterization of cis-di-iodotetrakis(trimethylsilyl isocyanide)iron(II), [FeI2(CNSiMe3)4] Richard A. Jones and Mark H. Seeberger, pp 181 DOI:10.1039/DT9830000181

Preparation of 1,1-diphenylthionitrosamine and X-ray crystal structures of two thionitrosamine complexes Herbert W. Roesky, Ralf Emmert, Wilhelm Isenberg, Martin Schmidt and George M. Sheldrick, pp 183 DOI:10.1039/DT9830000183

Letters Mary R. Truter, John Emsley, Deborah J. Jones and Reiko Kuroda, pp 187 DOI:10.1039/DT9830000187

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX003

Issue 2

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP005

Transformation of -FeO(OH) to Fe3O4 by adsorption of iron(II) ion on -FeO(OH) Yutaka Tamaura, Kazuo Ito and Takashi Katsura, pp 189 DOI:10.1039/DT9830000189

Kinetics of anation in platinum(II) and palladium(II) complexes of N-alkylated diethylenetriamine Luciano Canovese, Matteo Cusumano and Antonino Giannetto, pp 195 DOI:10.1039/DT9830000195

Crystal structure and electronic properties of bis(2,2-bipyridyl)-cyanocopper(II) nitrate dihydrate: a correlation of the in-plane angular distortion with the splitting of the electronic spectrum Suresh Tyagi and Brian J. Hathaway, pp 199 DOI:10.1039/DT9830000199

Substitution and insertion reactions of the dinuclear manganese µ-hydride complex [M2(µ-H)(µ-PPh2)(CO)8]; crystal structures of the complexes [Mn2(µ-:2-CHCH2)(µ-PPh2)(CO)7] and [Mn2(µ-H)(µ-PPh2)(CO)6(CNBut)2] Jonathan A. Iggo, Martin J. Mays, Paul R. Raithby and Kim Hendrick, pp 205 DOI:10.1039/DT9830000205

The chemistry of vitamin B12. Part 20. Diaquocobinamide : pK values and evidence for conformational isomers David A. Baldwin, Eric A. Betterton and John M. Pratt, pp 217 DOI:10.1039/DT9830000217

The chemistry of vitamin B12. Part 21. Ethynylaquocobinamide: novel reaction of diaquocobinamide with acetylene catalysed by copper ions David A. Baldwin, Eric A. Betterton and John M. Pratt, pp 225 DOI:10.1039/DT9830000225

Preparation, structure, and reactions of alkenyl complexes of ruthenium(II) Philip R. Holland, Barbara Howard and Roger J. Mawby, pp 231 DOI:10.1039/DT9830000231

The reactivity of molybdenum and tungsten trioxide vapours towards organic and inorganic compounds at -196 °C Neil D. Cook and Peter L. Timms, pp 239 DOI:10.1039/DT9830000239

Preparation and properties of difluorophosphino-derivatives of phosphorus(V) hydroxy-compounds E. A. V. Ebsworth, George M. Hunter and David W. H. Rankin, pp 245 DOI:10.1039/DT9830000245

New carbide clusters in the cobalt sub-group. Part 10. Preparation and crystallographic characterization of dicarbido-octa-µ-carbonyl-hexadecacarbonyl-polyhedro-dodecarhodate(2-) as its bis(triphenyl-phosphine)iminium salt, [N(PPh3)2]2[Rh12C2(CO)24] Vincenzo G. Albano, Dario Braga, (the late) Paolo Chini, Donatella Strumolo and Secondo Martinengo, pp 249 DOI:10.1039/DT9830000249

Rhodium carbonyl clusters with interstitial nitrogen atoms. Part 1. Crystal and molecular structure of the bis(triphenylphosphine)iminium salt of the anion ennea-µ-carbonyl-hexacarbonyl-µ6-nitrido-polyhedro-hexarhodate(1-) Riccardo Bonfichi, Gianfranco Ciani, Angelo Sironi and Secondo Martinengo, pp 253 DOI:10.1039/DT9830000253

Decomposition of hydrazoic acid in nitric acid Brian M. Mayal and Geoffrey Stedman, pp 257 DOI:10.1039/DT9830000257

The decomposition of nitroamine (NH2NO2) in concentrated mineral acids Martin N. Hughes, James R. Lusty and Helen L. Wallis, pp 261 DOI:10.1039/DT9830000261

Determination of the molecular structures of bis(methylsilyl) ether and bis(dimethylsilyl) ether in the gas phase by electron diffraction David W. H. Rankin and Heather E. Robertson, pp 265 DOI:10.1039/DT9830000265

Alkyne ligands as three-electron donors: crystal structures of [Mo(CO)(MeC2Me)2(-C5H5)][BF4] and [Mo(NCMe)(MeC2Me)2(-C5H5)][BF4] Kevin A. Mead, Huw Morgan and Peter Woodward, pp 271 DOI:10.1039/DT9830000271

The synthesis of [Ru5C(CO)15] by the carbonylation of [Ru6C(CO)17] and the reactions of the pentanuclear cluster with a variety of small molecules: the X-ray structure analyses of [Ru5C(CO)15], [Ru5C(CO)15(MeCN)], [Ru5C(CO)14(PPh3)], [Ru5C(CO)13(PPh3)2], and [Ru5(µ-H)2C(CO)12{Ph2P(CH2)2PPh2}] Brian F. G. Johnson, Jack Lewis, J. Nicola Nicholls, José Puga, Paul R. Raithby, Maria J. Rosales, Mary McPartlin and William Clegg, pp 277 DOI:10.1039/DT9830000277

Single-crystal circular dichroism spectra of tris(pentane-2,4-dionato)cobalt(III) and tris(pentane-2,4-dionato)chromium(III) Robert D. Peacock, pp 291 DOI:10.1039/DT9830000291

Reduction-oxidation properties of organotransition-metal complexes. Part 16. Nitrosyl-bridged dicobalt complexes [{Co(-NO)(-C5R5)}2]z(R = H or Me, z= 0 to +2) and [CO2(µ-CO)(µ-NO)(-C5Me5)2]z(z= 0 or +1): synthesis, electrochemistry, and relative reactivity Neil G. Connelly, John D. Payne and William E. Geiger, pp 295 DOI:10.1039/DT9830000295

Nuclear quadrupole resonance of several copper(I) complexes with heterocyclic thioamido ligands. Crystal structure of chlorobis[tetrahydro-1H-pyrimidine-2-thione]copper(I) Jean-Michel Bret, Paulo Castan, Gérard Jugie, Antoine Dubourg and Raymond Roques, pp 301 DOI:10.1039/DT9830000301

Resonance Raman investigation of the electronic transitions of some iron(II) and copper(II)-di-imine complexes Lynne Griffiths, Brian P. Straughan and Derek J. Gardiner, pp 305 DOI:10.1039/DT9830000305

Precipitation within unilamellar vesicles. Part 1. Studies of silver(I) oxide formation Stephen Mann and Robert J. P. Williams, pp 311 DOI:10.1039/DT9830000311

Inner-sphere oxidation of diaqua(nitrilotriacetato)cobaltate(II) by periodate in acetate medium. Isokinetic relationship for the oxidation of (aminopolycarboxylato)cobalt(II) complexes by periodate Mohamed A. Hussein, Ahmed A. Abdel-Khalek and Yousif Sulfab, pp 317 DOI:10.1039/DT9830000317

2,2-Bibenzimidazolate anions as bridging ligands in cationic heteronuclear gold(I)-rhodium(I) complexes. Crystal structure of [(Ph3P)2Au2(µ-bbzim)Rh(cod)][ClO4]·CHCl3 Rafael Usón, Luis A. Oro, José Gimeno, Miguel A. Ciriano, Javier A. Cabeza, Antonio Tiripicchio and Marisa Tiripicchio Camellini, pp 323 DOI:10.1039/DT9830000323

Kinetics and mechanisms of the reactions of nickel(II), cobalt(II), copper(II), and lron(III) with 1,1,1-trifluoropentane-2,4-dione Michael J. Hynes and Maureen T. O'Shea, pp 331 DOI:10.1039/DT9830000331

Influence of electrolytic dissociation upon rates of reactions. Part 10. Acid-catalysed aquations of some penta-ammine(carboxylato)cobalt(III) ions in aqueous solutions Derek Smith, Mohamed F. Amira, Pauzi B. Abdullah and Cecil B. Monk, pp 337 DOI:10.1039/DT9830000337

Triphenylphosphine oxide complexes of actinide tetrahalides. Crystal and molecular structure of trans-tetrabromobis(triphenylphosphine oxide)uranium(IV) Gabriella Bombieri, Franco Benetollo, Kenneth W. Bagnall, Martin J. Plews and David Brown, pp 343 DOI:10.1039/DT9830000343

Synthesis of novel mercury(I) complexes containing a linear chain Co-Hg-Hg-Co. X-Ray crystal structure of the complex [{Co[N(CH2CH2PPh2)3]}2(µ-Hg2)]·thf Franco Cecconi, Carlo A. Ghilardi, Stefano Midollini and Simonetta Moneti, pp 349 DOI:10.1039/DT9830000349

Rates and activation parameters for dimethyl sulphoxide exchange with hexakis(dimethyl sulphoxide)-nickel(II), -cobalt(II), and -iron(III) ions Colin H. McAteer and Peter Moore, pp 353 DOI:10.1039/DT9830000353

Transfer of cyclopentadienyl groups between platinum atoms Ronald J. Cross and Alistair J. McLennan, pp 359 DOI:10.1039/DT9830000359

The Mössbauer recoil-free fraction and structure. Part 3. Triorganotin arylazobenzoates Philip G. Harrison, Keith Lambert, Trevor J. King and B. Majee, pp 363 DOI:10.1039/DT9830000363

Compartmental ligands. Part 4. The crystal and molecular structures of some oxovanadium(IV) complexes of acyclic ligands derived from heptane-2,4,6-trione and ,-alkanediamines Harry Adams, Neil A. Bailey, David E. Fenton, Martha S. Leal Gonzalez and Carl A. Phillips, pp 371 DOI:10.1039/DT9830000371

Structure and stereochemistry in f-block complexes of high co-ordination number. Part 1. The [M(unidentate ligand X)(unidentate ligand Y)7] system : crystal structure of bis[chloroheptakis(dimethylformamide)uranium(IV)] tris[tetrachlorodioxouranate(VI)] David L. Kepert, Jennifer M. Patrick and Allan H. White, pp 381 DOI:10.1039/DT9830000381

Structure and stereochemistry in f-block complexes of high co-ordination number. Part 2. The [M(unidentate ligand X)4(unidentate ligand Y)4] system : crystal structure of tetrakis(hexamethylphosphoramide)tetrakis(isothiocyanato)uranium(IV) David L. Kepert, Jennifer M. Patrick and Allan H. White, pp 385 DOI:10.1039/DT9830000385

Notes. Crystal structure of pentakis(dimethyl sulphoxide-O)dioxouranium(VI) bis(perchlorate) Jack McB. Harrowfield, David L. Kepert, Jennifer M. Patrick, Allan H. White and Stephen F. Lincoln, pp 393 DOI:10.1039/DT9830000393

Preparation and crystal structure of [Mo{S2P(OMe)2}3] and an improved route to [MoCl3(thf)3] Jonathan R. Dilworth and Jon A. Zubieta, pp 397 DOI:10.1039/DT9830000397

Reactions of bis(-cyclopentadienyl)vanadium derivatives with dinitrogen oxide (nitrous oxide) Frank Bottomley and James Darkwa, pp 399 DOI:10.1039/DT9830000399

One-electron cyclic voltammetric reduction potentials of some molybdo-oxaziridines Phalguni Ghosh, Pinaki Bandyopadhyay and Animesh Chakravorty, pp 401 DOI:10.1039/DT9830000401

Tetrakis(tetrasulphur tetranitrogen dioxide)silver hexafluoroarsenate(V) Herbert W. Roesky, Manfred Thomas, Hans G. Schmidt, William Clegg, Mathias Noltemeyer and George M. Sheldrick, pp 405 DOI:10.1039/DT9830000405

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX007

Issue 3

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP009

Instructions for authors (1983) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300000va

IUPAC publications on nomenclature and symbolism J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300000xx

Electron spin resonance determination of formation constants of copper(II) dipeptide complexes Walter S. Kittl and Bernd M. Rode, pp 409 DOI:10.1039/DT9830000409

Polymer-supported complexes. Part 3. Synthesis of a polystyreneanchored molybdenum(V) dithiocarbamato-derivative and its applications in reactions involving t-butyl hydroperoxide Sumit Bhaduri and Hanif Khwaja, pp 415 DOI:10.1039/DT9830000415

Polymer-supported complexes. Part 4. Decarbonylation of polystyrene-anchored dicarbonyl rhodium(I) complexes and applications as catalysts in cyclohexene hydrogenation Sumit Bhaduri and Hanif Khwaja, pp 419 DOI:10.1039/DT9830000419

1,3,5-Triethylcyclotriphosph(III)azanes and related compounds David A. Harvey, Rodney Keat and David S. Rycroft, pp 425 DOI:10.1039/DT9830000425

5-Cyclopentadienylrhodium(I) complexes containing diphosphines and their reactions with the electrophiles H+ and Me+. Crystal and molecular structure of [Rh(-C5H5)(CO)(Ph2PCH2PPh2)], a complex with a unidentate bis(diphenylphosphino)methane ligand Felice Faraone, Giuseppe Bruno, Sandra Lo Schiavo, Giuseppe Tresoldi and Gabriella Bombieri, pp 433 DOI:10.1039/DT9830000433

Spectroscopic and theoretical studies of [Fe(CO)3(1,4-diaza-1,3-butadiene)] complexes; X-ray structure and magnetic circular dichroism and resonance-Raman spectra of [1,2-bis(2,6-di-isopropylphenylimino)ethane-NN]tricarbonyliron Maarten W. Kokkes, Dark J. Stufkens and Ad Oskam, pp 439 DOI:10.1039/DT9830000439

Formation of mixed-ligand complexes of zinc(II) with chloride and substituted pyridines in 1,2-dichloroethane as solvent Kiyoshi Sawada, Tomoko Sakaguchi and Toshio Suzuki, pp 447 DOI:10.1039/DT9830000447

Crystal and molecular structure of (cyclo-L-methionylglycine)silver(I) nitrate Giovanni Valle and Renato Ettorre, pp 453 DOI:10.1039/DT9830000453

Hydrazido-, diazenido-, and amido-derivatives of lithium: a theoretical study related to nitrogen fixation reactions Jonathan R. Dilworth, Amelia Garcia-Rodriguez, G. Jeffery Leigh and John N. Murrell, pp 455 DOI:10.1039/DT9830000455

X-Ray and neutron diffraction studies on [Ru4(CO)8(µ-H)4{P(OCH3)3}4] at 293 and 20 K : characterisation of the vibrational behaviour of two-co-ordinate hydrogen atoms A. Guy Orpen and Richard K. McMullan, pp 463 DOI:10.1039/DT9830000463

The constitution of aqueous silicate solutions Neil H. Ray and Richard J. Plaisted, pp 475 DOI:10.1039/DT9830000475

NN-dialkylcarbamato-complexes of 4f elements Daniela Belli Dell'Amico, Fausto Calderazzo, Fabio Marchetti and Giovanni Perego, pp 483 DOI:10.1039/DT9830000483

Electron spin resonance study of copper(II) ions in powder and crystals of aquatris(L-glutamato)cadmium(II) monohydrate Raffaele P. Bonomo, John R. Pilbrow and Geoffrey R. Sinclair, pp 489 DOI:10.1039/DT9830000489

Nuclear quadrupole resonance and stereochemistry. Part 8. cis-tans isomerism in octahedral SnCl4L2 complexes Joyce Rupp-Bensadon and Edwin A. C. Lucken, pp 495 DOI:10.1039/DT9830000495

Formation of a bridged vinylidenedi-iron complex by nucleophilic attack on a carbonyl ligand of [Fe2(CO)4(-C5H5)2], and the synthesis and X-ray crystal structure of [(OC)3Fe((µ-Ph2PCHPPh2)FeH(CO)3] Gordon M. Dawkins, Michael Green, John C. Jeffery, Clemens Sambale and F. Gordon A. Stone, pp 499 DOI:10.1039/DT9830000499

Chemistry of the metal carbonyls. Part 82. Synthesis of complexes with bonds between rhodium and the sub-group 6 metals; X-ray crystal structure of [CrRh(µ-CO)2(CO)2(-C5Me5)(-C6H6)] Robert D. Barr, Michael Green, Karen Marsden, F. Gordon A. Stone and Peter Woodward, pp 507 DOI:10.1039/DT9830000507

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 16. Synthesis of the trimetal compounds [M2M(µ3-CC6H4Me-4)(CO)6(-C5H5)3](M = Mo or W, M= W; M = M= Mo) Michael Green, Simon J. Porter and F. Gordon A. Stone, pp 513 DOI:10.1039/DT9830000513

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 17. Reactions of the compounds [Ru3(CO)12], [Os3(µ-H)2(µ-CH2)(CO)10], and [Os3(CO)10(cyclo-C8H14)2] with [W(CC6H4Me-4)(CO)2(-C5H5)]; crystal structures of [OsW2{µ3-C2(C6H4Me-4)2}(CO)7(-C5H5)2](two isomers) and [Os3W(µ3-CC6H4Me-4)(CO)11(-C5H5)] Luigi Busetto, Michael Green, Bernd Hessner, Judith A. K. Howard, John C. Jeffery and F. Gordon A. Stone, pp 519 DOI:10.1039/DT9830000519

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 18. Synthesis of the complexes [MW(µ-CC6H4Me-4){µ-( : 2-CO)}(CO)(-C5H5)3](M = Ti or Zr) and the crystal structure of the titanium-tungsten compound Gordon M. Dawkins, Michael Green, Kevin A. Mead, Jean-Yves Salaün, F. Gordon A. Stone and Peter Woodward, pp 527 DOI:10.1039/DT9830000527

Hydrogen-bridged dimeric and trimeric copper(II) triflate compounds with racemic and optically active aminopropanols. Crystal and molecular structure of hexakis(R,S-2-aminopropan-1-ol-N,O)bis(R,S-2-aminopropan-1-olato-N,O)bis(trifluoromethanesulphonato-O)tricopper(II) bis(trifluoromethanesulphonate) Ger Nieuwpoort, Gerrit C. Verschoor and Jan Reedijk, pp 531 DOI:10.1039/DT9830000531

Synthesis, magnetic properties, and X-ray structure of catena-µ3-nitrato-O,O,O-[µ3-hydroxo-1-nitrato-1,2;1,3;2,3-tris(µ-pyrazolato-N,N)-2,3-bis(pyrazole-N2)tricopper(II) monohydrate]. An unusual chain of trinuclear copper clusters Frans B. Hulsbergen, Richard W. M. ten Hoedt, Gerrit C. Verschoor, Jan Reedijk and Anthony L. Spek, pp 539 DOI:10.1039/DT9830000539

Kinetics and mechanism of the oxidation of hydrazine with iron(III) in acidic perchlorate media Surendra S. Gupta and Yugul K. Gupta, pp 547 DOI:10.1039/DT9830000547

An amido-bridged platinum olefin dimer. The synthesis, characterisation, and X-ray structure analysis of bis{chlorot-µ-[1-2--o-isopropenylphenyl(methyl)amido-C1-2,N;µ-N]platinum(II)} Mervyn K. Cooper, Paul V. Stevens and Mary McPartlin, pp 553 DOI:10.1039/DT9830000553

Structure and stereochemistry in f-block complexes of high co-ordination number. Part 3. The [M(bidentate ligand)2(unidentate ligand)4] system : crystal structures of tetrakis(isothiocyanato)bis(octamethylpyrophosphoramide-OO)uranium(IV) and tetrachlorobis(octamethylpyrophosphoramide-OO)thorium(IV) David L. Kepert, Jennifer M. Patrick and Allan H. White, pp 559 DOI:10.1039/DT9830000559

Structure and stereochemistry in f-block complexes of high co-ordination number. Part 4. The [M(bidentate ligand)4] system : crystal structures of tetrakis(dibenzoylmethanato)-uranium(IV) and -cerium(IV) David L. Kepert, Jennifer M. Patrick and Allan H. White, pp 567 DOI:10.1039/DT9830000567

Structure and stereochemistry in f-block complexes of high co-ordination number. Part 5. Ten-co-ordination : the crystal structures of tetrapotassium tetraoxalatouranate(IV) tetrahydrate(orthorhombic and triclinic phases), bicapped square antiprismatic and sphenocoronal stereochemistries Mark C. Favas, David L. Kepert, Jennifer M. Patrick and Allan H. White, pp 571 DOI:10.1039/DT9830000571

Nuclear magnetic resonance investigation of diastereoisomerism in the unsymmetrical tetra-alkyldiphosphanes R1R2PPMeEt(R1R2= ButPri, ButEt, ButMe, PriEt, and Pri2) Ahmed A. M. Ali and Robin K. Harris, pp 583 DOI:10.1039/DT9830000583

Notes. Ordering phenomena in U4O9-y, crystals studied by transmission electron microscopy Geoffrey C. Allen, John T. Buswell and Paul A. Tempest, pp 589 DOI:10.1039/DT9830000589

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX011

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP013

Thermodynamics of extraction equilibria. Part 6. A further study of the method for determination of equilibrium constants of extraction processes Djordje M. Petkovi, pp 591 DOI:10.1039/DT9830000591

Triorganotin and triorganolead derivatives of N-acetylamino-acids Gerd Roge, Friedo Huber, Hans Preut, Arturo Silvestri and Renato Barbieri, pp 595 DOI:10.1039/DT9830000595

Nuclear magnetic resonance studies of transition-metal complexes of ethylenediamine-NNNN-tetramethylphosphonate in aqueous solution John Oakes and Edward G. Smith, pp 601 DOI:10.1039/DT9830000601

Crown ethers as second-sphere ligands. The interactions of transition-metal ammines with 18-crown-6 and dibenzo-18-crown-6 Howard M. Colquhoun, David F. Lewis, J. Fraser Stoddart and David J. Williams, pp 607 DOI:10.1039/DT9830000607

Matrix isolation studies of the bonding of acetyl groups in the co-ordinatively unsaturated species acetyltetracarbonylmanganese and acetylmonocarbonyl(-cyclopentadienyl)iron Ramli B. Hitam, Ramaier Narayanaswamy and Antony J. Rest, pp 615 DOI:10.1039/DT9830000615

The preparation and crystal structure of the 3:1 adduct of antimony trifluoride and antimony pentafluoride containing the (Sb3F8+) cation W. A. Shantha Nandana, Jack Passmore, D. C. Neil Swindells, Peter Taylor, Peter S. White and John E. Vekris, pp 619 DOI:10.1039/DT9830000619

Aspects of the inorganic chemistry of rubber vulcanisation. Part 4. Dialkyl- and diaryl-dithiophosphate and -dithiophosphinate complexes of zinc: phosphorus-31 nuclear magnetic resonance spectral studies and structures of [NMe4][Zn{S2P(OC6H4Me-p)2}3] and [NEt4][Zn(S2PPh2)3] Jon A. McCleverty, Rick S. Z. Kowalski, Neil A. Bailey, Robert Mulvaney and Donal A. O'Cleirigh, pp 627 DOI:10.1039/DT9830000627

The ultra-violet photoelectron spectra of gas-phase and condensed bismuth halides and antimony trifluoride Igor Novak and Anthony W. Potts, pp 635 DOI:10.1039/DT9830000635

Spectroscopic studies on C2 hydrocarbon fragments. Part 1. Vibrational studies of cluster-bound vinyl and vinylidene ligands John Evans and Gregory S. McNulty, pp 639 DOI:10.1039/DT9830000639

An extended X-ray absorption fine structure study of penta-amminecopper(II) bis(tetrafluoroborate): evidence for five equal bond lengths Lucilla Alagna, Tommaso Prosperi, Anthony A. G. Tomlinson and Gilberto Vlaic, pp 645 DOI:10.1039/DT9830000645

Crevice co-ordination: binding of a ligand molecule in a molecular crevice. Crystal and molecular structures of µ-oxo-µ-pyridine-µ-sulphido-bis[(OO-di-isopropyl phosphorodithioato)oxo-molybdenum(V)] and µ-oxo-µ-pyridazine-µ-sulphido-bis[(OO-di-isopropyl phosphorodithioato)oxomolybdenum(V)] Michael G. B. Drew, Pablo J. Baricelli, Philip C. H. Mitchell and Alan R. Read, pp 649 DOI:10.1039/DT9830000649

Crystal and molecular structure and magnetic properties of a tetrameric copper(II) complex with 3-hydroxy-4-[4-(3,4-dichlorophenyl)-4-hydroxy-2-azabut-1-en-1-yl]-5-hydroxymethyl-2-methylpyridine (H2L2), [(CuL2)4]·9CH3OH Leonhard Walz, Helmut Paulus, Wolfgang Haase, Harald Langhof and Francoise Nepveu, pp 657 DOI:10.1039/DT9830000657

Alkenyl derivatives of the metals. Oxidative addition to intermediate tin(II) alkenyls; isolation, and crystal and molecular structure of n-butyltris(triphenylethenyl)tin(IV) Christine J. Cardin, David J. Cardin, Reginald J. Norton, Hans E. Parge and Kenneth W. Muir, pp 665 DOI:10.1039/DT9830000665

Synthesis, properties, and X-ray crystal and molecular structures of homoleptic alkenyls of tin and chromium Christine J. Cardin, David J. Cardin, John M. Kelly, Reginald J. Norton, Abhijit Roy, Brian J. Hathaway and Trevor J. King, pp 671 DOI:10.1039/DT9830000671

Chirality recognition of a clay surface modified by an optically active metal chelate Akihiko Yamagishi, pp 679 DOI:10.1039/DT9830000679

A fluorine-19 nuclear magnetic resonance study of the strong hydrogen bond between aliphatic diols or acids and alkali-metal fluorides Jack M. Miller, Ravendran K. Kanippayoor and James H. Clark, pp 683 DOI:10.1039/DT9830000683

Mechanisms of reduction of trans-cyclohexane-1,2-diamine-NNNN-tetra-acetatomanganate(III) by hydrazine, hydroxylamine, and substituted benzene-1,2-diols Patrizia Arselli and Edoardo Mentasti, pp 689 DOI:10.1039/DT9830000689

Preparation and crystal structure of diaquabis(1,2-naphthoquinone-2-oximato-ON)dioxouranium(VI)-trichloromethane (1/2) and aquabis(1,2-naphthoquinone-1-oximato-ON)(triphenylphosphine oxide)dioxouranium(VI) Rodolfo Graziani, Umberto Casellato, Pietro A. Vigato, Sergio Tamburini and Maurizio Vidali, pp 697 DOI:10.1039/DT9830000697

Spin density and structure of aquabis(2,2-bipyridine)di-µ-hydroxosulphatodicopper(II) tetrahydrate at 4.2 K Brian N. Figgis, Ronald Mason, Andrew R. P. Smith, Joseph N. Varghese and Geoffrey A. Williams, pp 703 DOI:10.1039/DT9830000703

Preparation, crystal structure, and spectroscopic studies of [NPrn4]2[(PhS)CuS2MoS2] and [NPrn4]2[(PhS)CuS2MoS2Cu(SPh)], containing benzenethiolatocopper(I)-tetrathiomolybdate(VI) complex anions Stephen R. Acott, C. David Garner, John R. Nicholson and William Clegg, pp 713 DOI:10.1039/DT9830000713

Investigation into aroylhydrazones as chelating agents. Part 3. Synthesis and spectroscopic characterization of complexes of MnII, CoII, NiII, CuII, and ZnII with 2,6-diacetylpyridine bis(benzoylhydrazone) and X-ray structure of aquachloro[2,6-diacetylpyridine bis(benzoylhydrazone)]manganese(II) chloride Carlo Lorenzini, Corrado Pelizzi, Giancarlo Pelizzi and Giovanni Predieri, pp 721 DOI:10.1039/DT9830000721

The fluxionality of (Z)-6,6,6-triphenyl-6-stannahexa-1,3-diene: evidence for symmetry-allowed suprafacial [1,5]-shifts in an organometallic compound Michael J. Hails, Brian E. Mann and Catriona M. Spencer, pp 729 DOI:10.1039/DT9830000729

Thermodynamics of the complex formation between thorium(IV) and some polydentate ligands in aqueous solution Plinio Di Bernado, Alberto Cassol, Giuliana Tomat, Arturo Bismondo and Luciano Magon, pp 733 DOI:10.1039/DT9830000733

Electron spin resonance spectra of reduced [Fe2S2(SC6H4Y-p)4]2-(Y = Cl, H, or Me) complexes and their selenium-ligated homologues Peter Beardwood and John F. Gibson, pp 737 DOI:10.1039/DT9830000737

Kinetics and mechanism of hydrogen peroxide oxidation by silver(III) in aqueous alkaline media Edward T. Borish and Louis J. Kirschenbaum, pp 749 DOI:10.1039/DT9830000749

Photoelectron spectra of the phospha-alkynes: 3,3-dimethyl-1-phosphabutyne ButCP and phenylphosphaethyne, PhCP James C. T. R. Burckett-St. Laurent, Michael A. King, Harold W. Kroto, John F. Nixon and Roger J. Suffolk, pp 755 DOI:10.1039/DT9830000755

Electronic, infrared, and resonance-Raman spectra of linear-chain mixed-valence complexes of platinum with 1,2-diaminopropane Robin J. H. Clark and Mohamedally Kurmoo, pp 761 DOI:10.1039/DT9830000761

Solid-state properties of materials of the type Cs4MX6(where M = Sn or Pb and X = Cl or Br) Robert H. Andrews, Stephen J. Clark, John D. Donaldson, John C. Dewan and Jack Silver, pp 767 DOI:10.1039/DT9830000767

Precipitation within unilamellar vesicles. Part 2. Membrane control of ion transport Stephen Mann, Matthew J. Kime, R. George Ratcliffe and Robert J. P. Williams, pp 771 DOI:10.1039/DT9830000771

The cis effect of phosphines and phosphites in the reactions of chloro(1,2-diaminoethane)phosphine- and chloro(1,2-diaminoethane) trimethyl phosphite-platinum(II) cations with nucleophiles Giuliano Annibale, Luciano Canovese, Lucio Cattalini, Giampaolo Marangoni, Gianni Michelon and Martin L. Tobe, pp 775 DOI:10.1039/DT9830000775

Iridium nitrosyl complexes of 9,10-phenanthrenequinone di-imine. Crystal structure of [Ir(NO){HNC14H8N(PPh3)}(PPh3)][PF6], a species containing a phosphazene-imido-ligand Paolo Dapporto, Gianfranco Denti, Giuliano Dolcetti and Mauro Ghedini, pp 779 DOI:10.1039/DT9830000779

Synthesis of 1-oxidopyridinium-2-thiolato- and pyridine-2-thiolato-complexes of nickel, palladium, and platinum Jack L. Davidson, Peter N. Preston and Maria V. Russo, pp 783 DOI:10.1039/DT9830000783

Formation of new halogeno mixed-metal clusters by oxidative addition of triphenylphosphinegold(I) halides to [Ru5C(CO)15]: crystal and molecular structures of [Ru5C(CO)15{µ-Au(PPh3)}Cl] and [Ru5C(CO)14{µ-Au(PPh3)}(µ-Br)] Brian F. G. Johnson, Jack Lewis, J. Nicola Nicholls, José Puga and Kenton H. Whitmire, pp 787 DOI:10.1039/DT9830000787

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 4. Some silver(I) complexes: crystal and molecular structures of [{Ag[C5(CO2Me)5](OH2)}n]·1.5nH2O, [{Ag[C5(CO2Me)5](PPh3)}2], and [Ag{C5(CO2Me)5}(PPh3)2] Michael I. Bruce, Michael L. Williams, Brian W. Skelton and Allan H. White, pp 799 DOI:10.1039/DT9830000799

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 5. Preparation and crystal and molecular structures of [Au{C5(CO2Me)5}(PPh3)] and [Au(PPh3)2][C5(CO2Me)5]·MeOH Michael I. Bruce, Jennifer K. Walton, Brian W. Skelton and Allan H. White, pp 809 DOI:10.1039/DT9830000809

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 6. Some first-row transition-metal derivatives: crystal and molecular structures of [Fe{C5(CO2Me)5}2(MeOH)2], [Co{C5(CO2Me)5}2(OH2)2], and [Cu{C5(CO2Me)5}2(MeOH)2] Michael I. Bruce, Jennifer K. Walton, Michael L. Williams, Jennifer M. Patrick, Brian W. Skelton and Allan H. White, pp 815 DOI:10.1039/DT9830000815

X-Ray crystal and molecular structure of cis(NN), trans(OO)-bis-(2-aminoethanolato)-cis-dichloroplatinum(IV) dihydrate. The relationship of anti-tumour activity to ring closure Reiko Kuroda, Stephen Neidle, Ismail M. Ismail and Peter J. Sadler, pp 823 DOI:10.1039/DT9830000823

Reactions of acetylenes with noble-metal carbonyl halides. Part 6. Carbonyl insertion to give cyclic organo-carbene complexes of platinum(II): synthesis and X-ray structure of the complex cis-[Pt{CC(CO2Et)C(Ph)C(CO2Et)C(Ph)O}(PPh3)Cl2] Franco Canziani, Franco Galimberti, Luigi Garlaschelli, Maria Carlotta Malatesta, Alberto Albinati and Fabio Ganazzoli, pp 827 DOI:10.1039/DT9830000827

The molecular structure of germyl monothioacetate in the gas phase, determined by electron diffraction E. A. V. Ebsworth, Christopher M. Huntley and David W. H. Rankin, pp 835 DOI:10.1039/DT9830000835

Notes. Novel synthesis of tris(acetylacetonato)iron(III) Mihir K. Chaudhuri and Soumitra K. Ghosh, pp 839 DOI:10.1039/DT9830000839

Crystal and molecular structure of a new eight-membered tetraphospha-macrocycle, (-PCPhCMeCMeC-)4 Jean Fischer, Andre Mitschler, Francois Mathey and Francois Mercier, pp 841 DOI:10.1039/DT9830000841

Structural characterization of a binuclear tin adduct: µ-[1,2-bis(diphenylarsoryl)ethane-O:O]-bis(chlorotriphenyltin) Corrado Pelizzi and Giancarlo Pelizzi, pp 847 DOI:10.1039/DT9830000847

Matrix isolation studies on alkali metal arsenates: the characterisation of molecular CsAsO3 J. Steven Ogden, Timothy J. Sibley and Stephen J. William, pp 851 DOI:10.1039/DT9830000851

Preparation and X-ray crystal structure of [(OC)3Mo{P2[MeNC(O)NMe]2}3Mo(CO)3] Herbert W. Roesky, Djammschid Amirzadeh-Asl, William Clegg, Mathias Noltemeyer and George M. Sheldrick, pp 855 DOI:10.1039/DT9830000855

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX015

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP019

Synthesis, characterisation, and electrochemical studies of a dioxo-bridged molybdenum(V) glycinate. Generation of an oxo-bridged MoV-MoVI species Muktimoy Chaudhury, pp 857 DOI:10.1039/DT9830000857

Bis(-cyclopentadienyl)molybdenum chemistry: synthesis and reactions of ring-functionalised compounds Andre Baretta, Kenneth S. Chong, F. Geoffrey N. Cloke, Alexander Feigenbaum and Malcolm L. H. Green, pp 861 DOI:10.1039/DT9830000861

A thermometric titrimetric study of the complexation of alkaline-earth metals by linear poly(aminocarboxylic) acids Gavin Ewin and John O. Hill, pp 865 DOI:10.1039/DT9830000865

Gas-phase ultraviolet photoelectron spectra of [{Ni(-C5H5)}2(µ-C2R2)](R = H or CF3) complexes Maurizio Casarin, David Ajò, Gaetano Granozzi, Eugenio Tondello and Silvio Aime, pp 869 DOI:10.1039/DT9830000869

Magnetic exchange interactions in perovskite solid solutions. Part 1. Iron-57 and 1 5 1Eu Mössbauer spectra of EuFe1 -xCoxO3(0 < x < 1) Terence C. Gibb, pp 873 DOI:10.1039/DT9830000873

Iron complexes of N-substituted thiosalicylideneimines. Part 2. Magnetic and Mössbauer spectral studies of iron( II ) complexes Peter J. Marini, Kevin J. Berry, Keith S. Murray, Bruce O. West, Mark Irving and Paul E. Clark, pp 879 DOI:10.1039/DT9830000879

Iodine-127 Mössbauer study of iodine(III) interhalogen cations and related compounds Thomas Birchall and Ronald D. Myers, pp 885 DOI:10.1039/DT9830000885

Synthesis and reactions of the heterobimetallic complex [ClPd(µ-Ph2PCH2PPh2)2PtCl] Paul G. Pringle and Bernard L. Shaw, pp 889 DOI:10.1039/DT9830000889

Metallation of aliphatic carbon atoms. Part 1. Synthesis and characterization of the cyclopalladated complexes of 2-neopentylpyridine Yoshio Fuchita, Katsuma Hiraki and Toshinobu Uchiyama, pp 897 DOI:10.1039/DT9830000897

Reactions of manganese atoms with cyclic dienes and cycloheptatriene: crystal structure of carbonylbis(1-4--cyclohexa-1,3-diene)manganese E. Peter Kündig, Peter L. Timms, Barbara A. Kelly and Peter Woodward, pp 901 DOI:10.1039/DT9830000901

Some [tris(trimethylsilyl)methyl]phosphorus derivatives Colin Eaborn, Negussie Retta and J. David Smith, pp 905 DOI:10.1039/DT9830000905

Structural and spectroscopic studies on peroxymetallacyclic complexes of platinum Gordon Read, Miguel Urgelles, Anita M. R. Galas and Michael B. Hursthouse, pp 911 DOI:10.1039/DT9830000911

Co-ordination of alkali metals by open-chain polyethers in transition-metal complexes. Part 2. An explanation for alkali-metal selectivity from the X-ray and molecular structure of tetrakis[1-(o-carboxymethoxyphenoxy)-2-(o-hydroxyphenoxy)ethanato(1-)]dirubidiumcobalt(II) and comparison with the dipotassium analogue David L. Hughes and Jonathan N. Wingfield, pp 915 DOI:10.1039/DT9830000915

Investigation into diphosphine oxides as ligands in diorganotin(IV) adducts. Part 1. Synthesis and spectroscopic characterization of 1,2-bis(diphenylphosphoryl)ethane tin complexes and X-ray structure of [1,2-bis(diphenylphosphoryl)ethane]di-n-butyldichlorotin(IV) Philip G. Harrison, Nelson W. Sharpe, Corrado Pelizzi, Giancarlo Pelizzi and Pieralberto Tarasconi, pp 921 DOI:10.1039/DT9830000921

Reactions of co-ordinated ligands. Part 27. Formation of 3-allyl and -vinyl complexes by nucleophilic attack on cationic molybdenum monoacetylene complexes. Molecular structures of [Mo(CO)(PEt3)(3-anti-1-MeC3H4)(5-C9H7)] and [Mo{P(OMe)3}3{-(E)-CHCHBut}(-C5H5)] Stephen R. Allen, Paul K. Baker, Stephen G. Barnes, Martin Bottrill, Michael Green, A. Guy Orpen, Ian D. Williams and Alan J. Welch, pp 927 DOI:10.1039/DT9830000927

Reactions of ruthenium triphenylphosphine complexes with diazadienes. Part 3. Preparation, characterization, X-ray crystal structure, and reactivity of a formally ruthenium(0) tris(-di-imine) complex Bruno Chaudret, Claude Cayret, Hajo Köster and René Poilblanc, pp 941 DOI:10.1039/DT9830000941

Metal dimers as catalysts. Part 6. The use of [{Fe(CO)2(5-C5H5)}2] as a catalyst in the metal carbonyl substitution reaction Neil J. Coville, Michel O. Albers and Eric Singleton, pp 947 DOI:10.1039/DT9830000947

Chemistry of ruthenium. Part 8. New tris complexes of ruthenium(III). Synthesis, spectra, and redox activity Rabindranath Mukherjee and Animesh Chakravorty, pp 955 DOI:10.1039/DT9830000955

Chemistry of ruthenium. Part 9. Electrophilic addition of a ruthenium nitrosyl complex to alkylidenearylhydrazones. Arylazo-oximates of bis(2,2-bipyridyl)ruthenium(II) Akhil Ranjan Chakravarty and Animesh Chakravorty, pp 961 DOI:10.1039/DT9830000961

Preparation and properties of metallacyclopentane and dineopentyl derivatives of molybdenocene and tungstenocene. X-Ray crystal and molecular structure of bis(-cyclopentadienyl)molybdenacyclopentane Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, William Porzio and Marcello Zocchi, pp 967 DOI:10.1039/DT9830000967

Bonding in clusters. Part 6. An evaluation of Stone's theory of bonding in closo-borane anions, through MNDO calculations Paul Brint, John P. Cronin, Eileen Seward and Tom Whelan, pp 975 DOI:10.1039/DT9830000975

Electron-rich cations: preparation and hydride reductions of the cations [Fe(5-C5H5){PhP(CH2CH2PPh2)2}]+, [Fe(5-C5H5){MeC(CH2PPh2)3}]+, and [Fe(5-C5H5){C(CH2PPh2)4}]+ Stephen G. Davies, Stephen J. Simpson, Hugh Felkin, Fatemeh Tadj and Oliver Watts, pp 981 DOI:10.1039/DT9830000981

Formation of zinc(II)-bearing ferrites from -FeO(OH) Kazuo Ito, Yutaka Tamaura and Takashi Katsura, pp 987 DOI:10.1039/DT9830000987

Notes. Electron-transfer processes and electrodeposition involving the iron hexacyanoferrates studied voltammetrically Raquel M. C. Goncalves, Hassan Kellawi and David R. Rosseinsky, pp 991 DOI:10.1039/DT9830000991

Axial ligation constants of copper(II) macrocyclic tetra-amine complexes Bih-Fong Liang, Yaw-Kuen Tsay and Chung-Sun Chung, pp 995 DOI:10.1039/DT9830000995

Asymmetric synthesis of alanine using cobalt(III) complexes of (3R)-3-methyl-1,6-bis[(2S)-pyrrolidin-2-yl]-2,5-diazahexane and (3S)-3-methyl-1,6-bis[(2S)-pyrrolidin-2-yl]-2,5-diazahexane Moo-Jin Jun, Nung Min Yoon and Chui Fan Liu, pp 999 DOI:10.1039/DT9830000999

Synthesis of chloro(trimethylphosphine)tris(trimethylsilylmethyl)tungsten(IV); synthesis and molecular structure of di-µ-chloro-bis[dicarbonyl(trimethylphosphine)(1-2--trimethylsilylmethylcarbonyl)tungsten(II)] Ernesto Carmona, José M. Marín, Manuel L. Poveda, Luis Sánchez, Robin D. Rogers and Jerry L. Atwood, pp 1003 DOI:10.1039/DT9830001003

Studies on triple orthovanadates. Part 3. Crystal chemistry of the zircon analogues of type MIILnMIV(VO4)3(MII= Ca or Pb; MIV= Ce or Th; Ln = lanthanide element) Mahadeo A. Nabar, Bal G. Mhatre and Alka P. Vasaikar, pp 1007 DOI:10.1039/DT9830001007

Preparation of trimeric and tetrameric bis(trifluoromethyl)arsazene; X-ray study of [(CF3)2AsN]4 Rakesh Bohra, Herbert W. Roesky, Joachim Lucas, Mathias Noltemeyer and George M. Sheldrick, pp 1011 DOI:10.1039/DT9830001011

Mechanism of the bromate ion oxidation of the cobalt(II) complex of trans-cyclohexane-1,2-diamine-NNNN-tetra-acetic acid Mahesh P. Pujari and Pradyot Banerjee, pp 1015 DOI:10.1039/DT9830001015

Tetrakis(methylthio)ethene as a bidentate chelating and quadridentate bridging thioether Edward W. Abel, Kenneth Kite and Bruce L. Williams, pp 1017 DOI:10.1039/DT9830001017

Redox-induced reactions of nickel maleonitriledithiolate -di-imine complexes Graham A. Bowmaker, Peter D. W. Boyd and Graeme K. Campbell, pp 1019 DOI:10.1039/DT9830001019

Three isomeric triosmium clusters containing bridging ligands derived from the salicylaldimine PhCH2NCHC6H4OH-2 Alejandro J. Arce, Antony J. Deeming and Richa Shaunak, pp 1023 DOI:10.1039/DT9830001023

Additions and corrections Charles M. Jenden and Samuel J. Lyle, pp 1027 DOI:10.1039/DT9830001027

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX019

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP023

Electrochemical reduction of the dichloro(3,6-diazaoctane-1,8-diamine)rhodium(III) cation, cis--[Rh(trien)Cl2] Hector W. Munro, Donald M. Stevenson and D. Huw Vaughan, pp 1029 DOI:10.1039/DT9830001029

Kinetics of solvolysis of the trans- dichlorotetra(4-methylpyridine)cobalt(III) ion in water and in water-propan-2-ol mixtures Ibrahim M. Sidahmed and Cecil F. Wells, pp 1035 DOI:10.1039/DT9830001035

Studies on mixed metal(II)-iron(II) chloride systems. Part 2. Mössbauer and X-ray powder diffraction data for the potassium and rubidium MMxFe1-xCl3·2H2O (M= K or Rb; M= Mn, Co, or Ni; x= 0.5) systems Bella Y. Enwiya, Jack Silver and Ian E. G. Morrison, pp 1039 DOI:10.1039/DT9830001039

Electrochemical studies of Group 3 alkyl derivatives. Part 1. Synthesis of trimethylgallium adducts Anthony C. Jones, David J. Cole-Hamilton, A. Kenneth Holliday and M. Munir Ahmad, pp 1047 DOI:10.1039/DT9830001047

-Hydrogen abstraction from alkyl and phosphine ligands co-ordinated to platinum(II); formation of benzoplatinacyclopentene complexes S. David Chappell and David J. Cole-Hamilton, pp 1051 DOI:10.1039/DT9830001051

Studies on blue copper protein models: syntheses, properties, and electron-transfer reactions of bis[4-(alkylmercaptomethyl)imidazole]copper(II) diperchlorate and related complexes and X-ray crystallographic analysis of bis[4-(n-propylmercaptomethyl)imidazole-N3S]copper(II) diperchlorate Nobuo Aoi, Gen-etsu Matsubayashi and Toshio Tanaka, pp 1059 DOI:10.1039/DT9830001059

Crystal and molecular structure of polymeric tetraphenylarsonium bis(1,2-dicyanoethene-1,2-dithiolato)bismuthate(III) Geoffrey Hunter and Timothy J. R. Weakley, pp 1067 DOI:10.1039/DT9830001067

A kinetic and mechanistic study of the reaction between bis-p-ethoxyphenyl ditelluride and molecular iodine in solution Rahim T. Mahdi and J. David Miller, pp 1071 DOI:10.1039/DT9830001071

-Arenetungsten chemistry: -allyl, -butadiene, tertiary phosphine, and hydrido derivatives Paul R. Brown, F. Geoffrey N. Cloke, Malcolm L. H. Green and Nick J. Hazel, pp 1075 DOI:10.1039/DT9830001075

Chromium(II) chemistry. Part 15. Synthesis and magnetic properties of piperazinium, hydrazinium, and monoaryl and other substituted ammonium tetrachlorochromatest Mushtaq A. Babar, Leslie F. Larkworthy and Santokh S. Tandon, pp 1081 DOI:10.1039/DT9830001081

Metal-metal bond length variations and the electronic structure of dichromium(II) and dimolybdenum(II) complexes Paul M. Atha, John C. Campbell, C. David Garner, Ian H. Hillier and Alastair A. MacDowell, pp 1085 DOI:10.1039/DT9830001085

A variable-temperature 79Br nuclear quadrupole resonance and X-ray crystallographic investigation of dimethylammonium hexabromostannate(IV), [NH2Me2]2[SnBr6] Keith B. Dillon, Joan Halfpenny and Andrew Marshall, pp 1091 DOI:10.1039/DT9830001091

Donor properties of triphenylantimony dihalides : preparation and crystal structures of Ph3SbCl2·SbCl3 and [Ph3SbCl][SbCl6] Michael Hall and D. Bryan Sowerby, pp 1095 DOI:10.1039/DT9830001095

Preparation and nuclear magnetic resonance study of salts of the platinum(I) anions [Pt2X4(CO)2]2-(X = Cl, Br, or I) Neil M. Boag, Peter L. Goggin, Robin J. Goodfellow and Ian R. Herbert, pp 1101 DOI:10.1039/DT9830001101

Crystal structure of indium(III) dithizonate Jack McB. Harrowfield, Chaveng Pakawatchai and Allan H. White, pp 1109 DOI:10.1039/DT9830001109

Formation and crystal structure of trans-bis(acetonitrile)tris(5-cyclopentadienyl)uranium(IV) tetrachloro-trans-dioxouranate(VI) : a novel species involving the first cationic organo-f-metal complex and uranium in two different oxidation states Gabriella Bombieri, Franco Benetollo, Eberhard Klähne and R. Dieter Fischer, pp 1115 DOI:10.1039/DT9830001115

Reductive preparation of bis(arene)metal complexes from metal halides in solution using potassium atoms Pelham N. Hawker and Peter L. Timms, pp 1123 DOI:10.1039/DT9830001123

Preparation of monomeric neutral or anionic tris(polyfluorophenyl)thallium(III) and of anionic heteronuclear tris(polyfluorophenyl)thallium-metal carbonyl complexes Rafael Usón, Antonio Laguna, J. Antonio Abad and Ernesto de Jesús, pp 1127 DOI:10.1039/DT9830001127

Complexes containing the diradical 1,2,3,4-tetraphenylbuta-1,3-diene-1,4-diyl; crystal structure of [AuCl(C4Ph4)(phen)] Rafael Usón, Jose Vicente, Maria Teresa Chicote, Peter G. Jones and George M. Sheldrick, pp 1131 DOI:10.1039/DT9830001131

Syntheses and structural studies of dinitrosylmolybdenum complexes Danielle Ballivet-Tkatchenko, Claude Bremard, Francis Abraham and Guy Nowogrocki, pp 1137 DOI:10.1039/DT9830001137

Cationic metal nitrosyl complexes. Part 5. Synthesis of dinitrosylmolybdenum compounds Danielle Ballivet-Tkatchenko and Claude Bremard, pp 1143 DOI:10.1039/DT9830001143

Chemistry of structurally developed macrocycles. Part 2. Synthesis and complexing properties of N,N,N,N-tetra(3-aminopropyl)-1,4,8,11-tetra-azacyclotetradecane with nickel(II) Kevin P. Wainwright, pp 1149 DOI:10.1039/DT9830001149

Phosphine oxide and suiphoxide complexes of thorium(IV) and uranium(IV) halogenoacetates Kenneth W. Bagnall, Omar Velasquez Lopez and Li Xing-fu, pp 1153 DOI:10.1039/DT9830001153

Azido- and thiocyanato-derivatives of some chlorofluorophosphate(V) ions Keith B. Dillon and Andrew W. G. Platt, pp 1159 DOI:10.1039/DT9830001159

Solvent dependence of the optical activity associated with tris(DD-dicampholylmethanato)europium(III) Harry G. Brittain, pp 1165 DOI:10.1039/DT9830001165

Paramagnetic transition-metal carbonyls and cyanides. Part 9. An electron spin resonance study of the radiolysis of some iron carbonyls : the anions [Fe(CO)5]- and [Fe(CO)4]- Barrie M. Peake, Martyn C. R. Symons and Jane L. Wyatt, pp 1171 DOI:10.1039/DT9830001171

Effects of electrolytic dissociation upon rates of reactions. Part 11. Metal ion catalysed rates of aquation of penta-ammineoxalatocobalt(III) Pauzi B. Abdullah and Cecil B. Monk, pp 1175 DOI:10.1039/DT9830001175

Synthesis and reactivity of isocyanatogoldtriosmium clusters Kevin Burgess, Brian F. G. Johnson and Jack Lewis, pp 1179 DOI:10.1039/DT9830001179

Structural studies of matrix-isolated alkali metal chlorates; an example of tridentate co-ordination by the chlorate ion Ian R. Beattie and John E. Parkinson, pp 1185 DOI:10.1039/DT9830001185

First potentiometric determination of stability constants of nickel(II) complexes with tetra-azacycloalkanes Mauro Micheloni, Piero Paoletti and Antonio Sabatini, pp 1189 DOI:10.1039/DT9830001189

Notes. Electrosynthesis and resonance-Raman spectrum of phthalocyaninatoiron(II) Lynne Griffiths, Brian P. Straughan and Derek J. Gardiner, pp 1193 DOI:10.1039/DT9830001193

Formation of molybdenum-bearing ferrites, Fe3 -xMoxO4(x= 0.04-0.19), in aqueous suspension by air oxidation Tadao Kanzaki, Haruhiko Furukawa and Takashi Katsura, pp 1197 DOI:10.1039/DT9830001197

Synthesis of triosmium clusters containing amidine ligands: X-ray structural characterization of [Os3(µ-H)(CO)9{NPhC(Ph)NH}] Kevin Burgess, H. Diane Holden, Brian F. G. Johnson and Jack Lewis, pp 1199 DOI:10.1039/DT9830001199

Reaction of [Os4(CO)1 2H3]- with [NO][PF6] in the presence of trace amounts of water; X-ray determination of the molecular structures of [Os4(CO)1 2H3(µ-OPO3H2)] and [Os4(CO)1 2H3(µ-OH)](2 : 1 ratio) in the one crystal Brian F. G. Johnson, Jack Lewis, William J. H. Nelson, José Puga, Kim Henrick and Mary McPartlin, pp 1203 DOI:10.1039/DT9830001203

Reactions of tetrasulphur tetranitride with titanium and vanadium tetrachlorides; crystal structure of VCl2(S2N3) Herbert W. Roesky, Jens Anhaus, Hans G. Schmidt, George M. Sheldrick and Mathias Noltemeyer, pp 1207 DOI:10.1039/DT9830001207

Preparation and crystal and molecular structure of a polymeric bis(sulphinylnitrilo)sulphur complex of silver(I): [Ag4{S(NSO)2}9][AsF6]4·SO2 Herbert W. Roesky, Manfred Thomas, Peter G. Jones, Waltraud Pinkert and George M. Sheldrick, pp 1211 DOI:10.1039/DT9830001211

Trimeric thioformaldehyde as a ligand: preparation and crystal structure of [Ag2{(CH2S)3}5][AsF6]2·SO2 Herbert W. Roesky, Hartmut Hofmann, Peter G. Jones, Waltraud Pinkert and George M. Sheldrick, pp 1215 DOI:10.1039/DT9830001215

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX023

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP027

The reactivity of cyanogen towards compounds containing active hydrogens at carbon atoms. Part 3. Synthesis of bis[1-cyano-2-(1-iminoethyl)butane-1,3-dionato]copper(II) from cyanogen and bis(acetylacetonato)copper(II): kinetics, thermodynamics and X-ray crystal structure Benedetto Corain, Marino Basato, Giuseppina Visentin and Giuseppe Zanotti, pp 1217 DOI:10.1039/DT9830001217

Studies in nickel(IV) chemistry. Part 1. Preparation, characterization, and kinetics of formation of tris(dimethylglyoximato)nickelate(IV) in aqueous alkaline media Rama Krushna Panda, Sridhara Acharya, Gautam Neogi and Dorai Ramaswamy, pp 1225 DOI:10.1039/DT9830001225

Studies in nickel(IV) chemistry. Part 2. Kinetics of proton-assisted decomposition of tris(dimethylglyoximato)nickelate(IV) with concomitant intramolecular electron transfer in aqueous media Gautam Neogi, Sridhara Acharya, Rama Krushna Panda and Dorai Ramaswamy, pp 1233 DOI:10.1039/DT9830001233

Studies in nickel(IV) chemistry. Part 3. Kinetics of metal(II) ionmediated acid decomposition of tris(dimethylglyoximato)nickelate(IV) in aqueous medium Gautam Neogi, Sridhara Acharya, Rama Krushna Panda and Dorai Ramaswamy, pp 1239 DOI:10.1039/DT9830001239

Thermodynamic studies on the addition of molecular oxygen to cobalt(II) complexes. Part 1. The cobalt(II)-ethylenediamine-oxygen system in aqueous solution at 25 °C Sergio Cabani, Norberto Ceccanti and Giovanni Conti, pp 1247 DOI:10.1039/DT9830001247

Synthetic and X-ray structural studies of complexes formed by metallation of tri(1-pyrazolyl)methane by dimethylplatinum(II) Allan J. Canty, Nigel J. Minchin, Jennifer M. Patrick and Allan H. White, pp 1253 DOI:10.1039/DT9830001253

Reduction of OsO4 by some imidazolidine-2-thiones. X-ray crystal structure of trans- dichlorotetrakis(NN-diethylimidazolidine-2-thione)osmium(IV) diperchlorate Luciano Antolini, Franco Cristiani, Francesco A. Devillanova, Angelo Diaz and Gaetano Verani, pp 1261 DOI:10.1039/DT9830001261

The chemistry of quadrivalent lanthanoids. Part 2. Preparation and properties of cerium tetrachloride complexes and a comparison with their uranium analogues John Barry, Jan G. H. du Preez, Thomas I. Gerber, Annelie Litthauer, Hans E. Rohwer and Bernardus J. van Brecht, pp 1265 DOI:10.1039/DT9830001265

Thermodynamics of metal complexes with ligand-ligand interaction, simple and mixed complexes of copper(II) and zinc(II) with adenosine 5-triphosphate and L-tryptophan or L-alanine Giuseppe Arena, Rosario Calì, Vincenzo Cucinotta, Salvatore Musumeci, Enrico Rizzarelli and Silvio Sammartano, pp 1271 DOI:10.1039/DT9830001271

Thermodynamic and spectroscopic properties of mixed-ligand complexes of copper(II) with pyridine, 2,2-bipyridyl, and 2,2 : 6,2-terpyridyl in aqueous solution Giuseppe Arena, Raffaele P. Bonomo, Salvatore Musumeci, Roberto Purrello, Enrico Rizzarelli and Silvio Sammartano, pp 1279 DOI:10.1039/DT9830001279

Effects of geometric configuration and steric hindrance on rates and mechanisms of oxidation of diaminedichloroplatinum(II) complexes by tetrachloroaurate(III) ions Arnaldo Peloso, pp 1285 DOI:10.1039/DT9830001285

Photochemistry of (3-allyl)tricarbonyecobaet in frozen gas matrices at 12 K. Infrared spectroscopic evidence for the formation of (3-allyl) dicarbonylcobalt, (3-allyl)dicarbonyl(dinitrogen)cobalt, (-allyl)tetracarbonylcobalt, and tetracarbonylcobalt complexes Antony J. Rest and David J. Taylor, pp 1291 DOI:10.1039/DT9830001291

Molybdenum(VI) complexes with malic acid: their inter-relationships, and the crystal structure of dicaesium bis[(S)-malato(2-)]-cis-dioxomolybdate(VI)-water (1/1) Carolyn B. Knobler, Arran J. Wilson, Richard N. Hider, Ian W. Jensen, Bruce R. Penfold, Ward T. Robinson and Cuthbert J. Wilkins, pp 1299 DOI:10.1039/DT9830001299

X-Ray crystal structure of a unique cyano-bridged cyclic palladium(II) trimer Julian A. Davies, Frank R. Hartley, Stephen G. Murray and Melanie A. Pierce-Butler, pp 1305 DOI:10.1039/DT9830001305

Azomethine derivatives. Part 20. Crystal and molecular structures of the lithioketimine [{Li(NCBut2)}6] and lithioguanidine [{Li[NC(NMe2)2]}6]; electron-deficient bridging of Li3 triangles by methyleneamino-nitrogen atoms William Clegg, Ronald Snaith, (the late) Harrison M. M. Shearer, Kenneth Wade and Graham Whitehead, pp 1309 DOI:10.1039/DT9830001309

Rhodium-catalysed decomposition of hydroxymercurated ethylene to ethanol and acetate John Cook and Peter M. Maitlis, pp 1319 DOI:10.1039/DT9830001319

Chemistry of platinum sulphido-complexes. Part 3. Crystal and molecular structure of tetrasulphido[1,2-bis(diphenylphosphino)ethane]platinum(II) and a study of its bonding and reactions Clive E. Briant, Maria J. Calhorda, T. S. Andy Hor, Nigel D. Howells and D. Michael P. Mingos, pp 1325 DOI:10.1039/DT9830001325

Proton, carbon-13, and phosphorus-31 nuclear magnetic resonance studies of (2,3,4,6-tetra-O-acetyl-1-thio--D-glucopyranosato-S)(triethylphosphine)gold (auranofin), a novel antiarthritic agent M. Tahir Razi, Peter J. Sadler, David T. Hill and Blaine M. Sutton, pp 1331 DOI:10.1039/DT9830001331

Equilibria in aqueous solutions of some chromium(2+) complexes Károly Micskei, Ferenc Debreczeni and István Nagypál, pp 1335 DOI:10.1039/DT9830001335

Synthesis, reactivity, and X-ray crystal structure of the cationic cluster complex [Os4H3(CO)12(NCMe)2][BF4] Brian F. G. Johnson, Jack Lewis, William J. H. Nelson, José Puga, Paul R. Raithby and Kenton H. Whitmire, pp 1339 DOI:10.1039/DT9830001339

Compartmental ligands. Part 5. Copper(II) complexes of Schiff bases derived from 1-(pyrrol-2-yl)butane-1,3-dione: crystal and molecular structure of [3,11-dimethyl-1,13-bis(pyrrol-2-yl)-7-oxa-4,10-diazatrideca-2,11-diene-1,13-dionato(2-)-N,N,O,O]copper(II) Harry Adams, Neil A. Bailey, David E. Fenton and Martha S. Leal Gonzalez, pp 1345 DOI:10.1039/DT9830001345

Photochemistry of tricarbonyl(4-cyclo-octatetraene)iron in a methane matrix at 12 K. Infrared spectroscopic evidence for photoisomerisation and carbon monoxide ejection reactions Ramli B. Hitam, Ramaier Narayanaswamy and Antony J. Rest, pp 1351 DOI:10.1039/DT9830001351

The reaction of a bridged vinylidenedi-iron complex with cobalt, iron, and manganese carbonyl species; X-ray crystal structures of the complexes [Fe3(µ3-CMe)(µ-CO)2(CO)6(-C5H5)] and [Co3Fe(µ4-CCH2)(µ-CO)2(CO)7(-C5H5)] Pascual Brun, Gordon M. Dawkins, Michael Green, Rona M. Mills, Jean-Yves Salaün, F. Gordon A. Stone and Peter Woodward, pp 1357 DOI:10.1039/DT9830001357

Reactions in mixed non-aqueous systems containing sulphur dioxide. Part 3. The electrolytic dissolution of metals Nigel K. Graham, J. Bernard Gill and David C. Goodall, pp 1363 DOI:10.1039/DT9830001363

Preparation and X-ray crystal-structure determinations of structural isomers of ferrocenyl-substituted dihydrofurans Nita A. Lewis, Bhavini Patel and Peter S. White, pp 1367 DOI:10.1039/DT9830001367

Chlorination of cyclohexene by copper(II) chloride Philip H. Gamlen, Michael S. Henty and Hugh L. Roberts, pp 1373 DOI:10.1039/DT9830001373

Paramagnetic transition-metal carbonyls and cyanides. Part 10. Electron addition to various carbonyl(5-cyclopentadienyl)metal halides; an electron spin resonance study Martyn C. R. Symons, Stephen W. Bratt and Jane L. Wyatt, pp 1377 DOI:10.1039/DT9830001377

The reaction of 1,1-biphenyl-2,2-dial with iron(III) and the crystal structure of piperidinium bis[µ-(1,1-biphenyl-2,2-diolato-O,µ-O)(1,1-biphenyl-2,2-diolato-O,O)ferrate(III)]-ethanol(½) Eric W. Ainscough, Andrew M. Brodie, Stuart J. McLachlan and Kevin L. Brown, pp 1385 DOI:10.1039/DT9830001385

Physico-chemical study of copper(II) and cobalt(II) chelates of tetra-2,3-pyridinoporphyrazine Thomas D. Smith, John Livorness, Helen Taylor, John R. Pilbrow and Geoffrey R. Sinclair, pp 1391 DOI:10.1039/DT9830001391

Approaches to enantioselective syntheses using tricarbonyl(diene)iron complexes James A. S. Howell and Marian J. Thomas, pp 1401 DOI:10.1039/DT9830001401

Partially oxidised tetracyanoplatinate complexes containing both divalent and monovalent cations Gary S. V. Coles, Allan E. Underhill and Kim Carneiro, pp 1411 DOI:10.1039/DT9830001411

Organic chemistry of dinuclear metal centres. Part 3. µ-Carbene complexes of iron and ruthenium from alkynes viaµ-vinyl cations Andrew F. Dyke, Selby A. R. Knox, Michael J. Morris and Pamela J. Naish, pp 1417 DOI:10.1039/DT9830001417

Structural chemistry of binuclear metal centres. Crystal and molecular structures of the µ-vinyl and µ-methylcarbene complexes [Fe2(CO)2(µ-CO)(µ-CHCH2)(-C5H5)2][BF4] and [Fe2(CO)2(µ-CO)(µ-CHMe)(-C5H5)2] A. Guy Orpen, pp 1427 DOI:10.1039/DT9830001427

Bimetallic iron-rhodium anionic carbonyl clusters: [Fe2Rh(CO)x]-(x= 10 or 11), [FeRh4(CO)15]2-, [Fe2Rh4(CO)16]2-, and [FeRh5(CO)16]- Alessandro Ceriotti, Giuliano Longoni, Roberto Della Pergola, Brian T. Heaton and David O. Smith, pp 1433 DOI:10.1039/DT9830001433

Synthesis and crystal structures of cis- and trans-dimethyl-di-µ-methylene-bis(pentamethylcyclopentadienyl)dirhodium(IV) Kiyoshi Isobe, Amelio Vázquez de Miguel, Pamela M. Bailey, Seichi Okeya and Peter M. Maitlis, pp 1441 DOI:10.1039/DT9830001441

Kinetics and equilibria in the redox reaction between ethylenedinitrilotetra-acetate complexes of iron(III) and vanadium(III) in aqueous solution Jalil A. M. Ahmad and William C. E. Higginson, pp 1449 DOI:10.1039/DT9830001449

Matrix isolation studies on alkali metal perrhenates: the shape and vibrational assignments of caesium perrhenate, CsReO4 Stephen A. Arthers, Ian R. Beattie, Robin A. Gomme, Peter J. Jones and J. Steven Ogden, pp 1461 DOI:10.1039/DT9830001461

Notes. The reaction of arenediazonium ions with cycloheptatriene (cht) and with [Fe(CO)3(4-cht)]: azo-coupling versus hydrazone formation Neil G. Connelly, Andrew R. Lucy and John B. Sheridan, pp 1465 DOI:10.1039/DT9830001465

Manganese(II) ions as stereochemical probes in reactions of zinc halides with pyrazine Roshun B. Birdy and Margaret Goodgame, pp 1469 DOI:10.1039/DT9830001469

High-pressure effects on the proton nuclear magnetic resonance spectra of palladium(II) complexes of cyclic sulphides. Estimation of activation volumes for inversion about sulphur Ron L. Batstone-Cunningham, Harold W. Dodgen, John P. Hunt and D. Max Roundhill, pp 1473 DOI:10.1039/DT9830001473

Optical electronegativity, *, of transition-metal ions in simple compounds John A. Duffy, pp 1475 DOI:10.1039/DT9830001475

Synthesis and X-ray crystal structure of a tri-iridium cluster, [Ir3(CO)6(Ph)(µ3-PPh)(µ-dppm)] Majorie M. Harding, Barry S. Nicholls and Anthony K. Smith, pp 1479 DOI:10.1039/DT9830001479

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX027

Issue 8

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP033

Regiospecific metallation in palladium-hydrazone complexes Beatrice Galli, Francesco Gasparrini, Luciana Maresca, Giovanni Natile and Gianni Palmieri, pp 1483 DOI:10.1039/DT9830001483

Structural studies of binuclear suiphido-bridged complexes of tungsten. Preparation and X-ray crystal structures of [S2W(µ-S)2W(NNMe2)2(PPh3)] and [{W(SBut)2(PMe2Ph)}2(µ-S)2]·CH2Cl2 Jonathan R. Dilworth, Raymond L. Richards, Phillip Dahlstrom, John Hutchinson, Surendra Kumar and Jon Zubieta, pp 1489 DOI:10.1039/DT9830001489

Haloalkyl complexes of the transition metals. Part 3. Reactions of some chloromethyl and methoxymethyl complexes of molybdenum, tungsten, manganese, rhenium, iron, and ruthenium with some tertiary phosphine and related ligands Simon Pelling, Cheryl Botha and John R. Moss, pp 1495 DOI:10.1039/DT9830001495

Hydrolysis of imines. Part 2. Kinetics and mechanism of hydrolysis of N-salicylidene-2-aminopyridine in the presence and absence of copper(II) ion. A study of the catalytic effect of some mixed-ligand complexes of copper(II) Anadi C. Dash, Bhaskar Dash, Prasanna Kumar Mahapatra and Moheshwar Patra, pp 1503 DOI:10.1039/DT9830001503

Complex formation between polymers containing the 2, 2-bipyridyl group and iron(II) J. David Miller and David S. Morton, pp 1511 DOI:10.1039/DT9830001511

Azo-complexes of bis(cyclopentadienyl)-titanium and -vanadium; model systems for N-N multiple bond activation Giovanni Fochi, Carlo Floriani, Jan C. J. Bart and Giovanni Giunchi, pp 1515 DOI:10.1039/DT9830001515

Oxy- and thio-phosphorus acid derivatives of tin. Part 12. A Mössbauer spectroscopic investigation of the structures and polymorphic behaviour of diorganotin(IV) phenyl-phosphonates and -arsonates Desmond Cunningham, Pádraig Firtear, Kiaran C. Molloy and Jerald J. Zuckerman, pp 1523 DOI:10.1039/DT9830001523

Complex formation between uranium(VI) and thorium(IV) ions with some -amino-acids Mordecai Nourmand and Nadji Meissami, pp 1529 DOI:10.1039/DT9830001529

Reactivity of cyclopalladated compounds. Part 7. Syntheses of metallobicyclic compounds and their reactions with acetylenes. X-Ray crystal and molecular structures of the compounds [(NMe2CH2C6H4)Pd{C(CF3)C(CF3)(C6H4CH2NMe2)}] and [{(NMe2CH2C6H4)C(CF3)C(CF3)}Pd{C(CF3)C(CF3)(CH2C9H6N)}] Christian Arlen, Michel Pfeffer, Odile Bars and Daniel Grandjean, pp 1535 DOI:10.1039/DT9830001535

Studies on transition-metal-peptide complexes. Part 8. Parent and mixed-ligand complexes of histidine-containing dipeptides Etelka Farkas, Imre Sóvágó and Arthur Gergely, pp 1545 DOI:10.1039/DT9830001545

The chemistry of (1-2 : 5-6--cyclo-octa-1,5-diene)(1-6--cyclo-octa-1,3,5-triene)ruthenium(0) : preparation and X-ray crystal structure of (1-2 : 5-6--cyclo-octa-1,5-diene)(1-4--cyclo-octa-1,3,5-triene)(trimethyl phosphite)ruthenium(0) Paolo Pertici, Giovanni Vitulli, William Porzio, Marcello Zocchi, Pier Luigi Barili and Giulio Deganello, pp 1553 DOI:10.1039/DT9830001553

Electrophilic attack on the [µ3-acetyl-C1(Fe1 : Fe2)O(Fe1 : Fe3)]nonacarbonyl-triangulo-triferrate(1-) anion by fluoroboric acid and methyl fluorosulphate. Carbon-oxygen bond cleavage to give µ3-ethylidyne and µ-methoxo-groups. X-Ray crystal structures of Fe3(CO)9(µ3-MeCO)(µ-H), Fe3(CO)9(µ3-CMe)(µ3-OMe), and Fe3(CO)9(µ3-CMe)(µ3-COMe) Wai-Kwok Wong, Kwok W. Chiu, Geoffrey Wilkinson, Anita M. R. Galas, Mark Thornton-Pett and Michael B. Hursthouse, pp 1557 DOI:10.1039/DT9830001557

Bromo-complexes of cobalt(II) in acetone Kiyoshi Sawada, Tsukio Onoda and Toshio Suzuki, pp 1565 DOI:10.1039/DT9830001565

Areneruthenium(II) carboxylates: reactions with ligands and the X-ray structure of the p-cymene pyrazine complex [Ru(-p-MeC6H4CHMe2)Cl(pyz)2]PF6 Derek A. Tocher, Robert O. Gould, T. Anthony Stephenson, Martin A. Bennett, James P. Ennett, Trevor W. Matheson, Lindsay Sawyer and Vilas K. Shah, pp 1571 DOI:10.1039/DT9830001571

The synthesis, X-ray crystal structure, and electronic and vibrational characterisation of the mixed-valence, iodine-bridged complex [PtII(dien)I][PtIV(dien)I3]I2 Robin J. H. Clark, Mohamedally Kurmoo, Anita M. R. Galas and Michael B. Hursthouse, pp 1583 DOI:10.1039/DT9830001583

Redox-active planar complexes. Electrochemical investigations of palladium and platinum bis(dithioacetylacetonate) complexes and their structural analogues Graham A. Heath and Joanne H. Leslie, pp 1587 DOI:10.1039/DT9830001587

Reductive nitrosylation of tetraoxometallates. Part 3. Generation of {Mo(NO)}4, {Mo(NO)2}4, and {Mo(NO)2}6 moieties: synthesis of 2,2- bipyridine, 1,10-phenanthroline, thiocyanato-, and diethyldithiocarbamato-complexes of mono- and di-nitrosylmolybdenum directly from MoO42- in aqueous and aerobic media Ramgopal Bhattacharyya and Gobinda Prashad Bhattacharjee, pp 1593 DOI:10.1039/DT9830001593

Stability, electronic spectra, and structure of transition-metal ion complexes of a novel mixed-donor (nitrogen-sulphur) macrocycle, 1-thia-4,7-diazacyclononane Susan M. Hart, Jan C. A. Boeyens, Joseph P. Michael and Robert D. Hancock, pp 1601 DOI:10.1039/DT9830001601

Synthesis and crystal and molecular structure of [Fe2Rh2(µ-PPh2)4(µ-CO)2(CO)6], an unusual straight-chain tetranuclear compound Raymond J. Haines, Nick D. C. T. Steen and Robin B. English, pp 1607 DOI:10.1039/DT9830001607

X-Ray diffraction analysis of the disordered crystal and molecular structure of [{Co3(CO)9C}2SCO] : its identity with the previously reported [{Co3(CO)9(CS)}2] Giuliana Gervasio, Rosanna Rossetti, Pier Luigi Stanghellini and György Bor, pp 1613 DOI:10.1039/DT9830001613

Reaction of silver ion with [ML2X2](L = amine or phosphine; M = Pd or Pt; X = I, Cl, or SCN) leading to orthometallation and catalytic activity. X-ray structure of ab-(2-aminomethyl)phenyl-c-carbonyl-d-iodoplatinum(II) Andre Avshu, Richard D. O'Sullivan, Adrian W. Parkins, Nathaniel W. Alcock and Rachel M. Countryman, pp 1619 DOI:10.1039/DT9830001619

Reactions of co-ordinated ligands. Part 28. The reaction of nucleophilic reagents with the cationic bis(acetylene) molybdenum complexes [Mo(CO)(RC2R)2(-C5H5)][BF4]; X-ray crystal structures of [Mo{C(Me)C(Me)C(O)C(Me)CHMe}(CO)2(-C5H5)] and [Mo{3:2-HButCCHC-O-C(O)C(But)CH}(CO)(-C5H5)] Stephen R. Allen, Michael Green, Nicholas C. Norman, Kathleen E. Paddick and A. Guy Orpen, pp 1625 DOI:10.1039/DT9830001625

Resonance Raman spectra of copper(I) complexes with -di-imine ligands Peter Leupin and Carl Wilhelm Schläpfer, pp 1635 DOI:10.1039/DT9830001635

Structural and mechanistic studies of co-ordination compounds. Part 37. Ligand-substitution kinetics of some halogeno tetra-amine complexes of cobalt(III), ruthenium(II), and ruthenium(III) Chung-Kwong Poon, Tai-Chu Lau, Chung-Lai Wong and Yan-Ping Kan, pp 1641 DOI:10.1039/DT9830001641

Structural and mechanistic studies of co-ordination compounds. Part 38. Syntheses and characterization of several quadridentate macrocyclic amine complexes of iridium(III) Chung-Kwong Poon, Tin-Wu Tang and Chi-Ming Che, pp 1647 DOI:10.1039/DT9830001647

Trihapto-hexahapto fluxional behaviour of a macrocyclic ligand: template synthesis, proton nuclear magnetic resonance spectra, and the crystal and molecular structure of an eleven-co-ordinate barium(II) complex Michael G. B. Drew, Ferida S. Esho and S. Martin Nelson, pp 1653 DOI:10.1039/DT9830001653

Syntheses of some organogoldtriosmium clusters; X-ray crystal structure of [Os3(CO)8(PPh3){Au(PPh3)}(2-NHC5H4N)] Kevin Burgess, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 1661 DOI:10.1039/DT9830001661

Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten : reactions of [MCl(CF3CCCF3)2(5-C5H5)](M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes Jack L. Davidson, pp 1667 DOI:10.1039/DT9830001667

Crystal structure of dimeric N-lithiohexamethyldisilazane etherate, [(Et2O)Li{-N(SiMe3)2}2Li(OEt2)] Lutz M. Engelhardt, Andrew S. May, Colin L. Raston and Allan H. White, pp 1671 DOI:10.1039/DT9830001671

Formation and hydrolysis of a diaqua(ethane-1,2-diamine)palladium(II) complex of ethyl glycinate Meng-Chay Lim, pp 1675 DOI:10.1039/DT9830001675

Mono-, bi-, and tri-nuclear bis(diphenylphosphino)methane gold complexes. Crystal and molecular structures of [bis(diphenylphosphino)methane]bis(pentafluorophenyl)gold(III) perchlorate and 1,2; 2,3-di-µ-[bis(diphenylphosphino)methane]-1,3-dichlorotrigold(I) chlorotris(pentafluorophenyl)aurate(III) Rafael Usón, Antonio Laguna, Mariano Laguna, Eduardo Fernandez, M. Dolores Villacampa, Peter G. Jones and George M. Sheldrick, pp 1679 DOI:10.1039/DT9830001679

Investigation into diphosphine oxides as ligands in diorganotin(IV) adducts. Part 2. Synthesis, spectroscopic characterization, and X-ray crystal structure of cis-1,2-bis(diphenylphosphoryl)ethylenetin complexes Philip G. Harrison, Nelson W. Sharpe, Corrado Pelizzi, Giancarlo Pelizzi and Pieralberto Tarasconi, pp 1687 DOI:10.1039/DT9830001687

The single-crystal electron spin resonance spectra of dichloro- and dibromo-oxobis(N,N,N,N-tetramethylurea)vanadium(IV); weak two-dimensional exchanging systems Brendan Gahan and Frank E. Mabbs, pp 1695 DOI:10.1039/DT9830001695

The single-crystal electron spin resonance spectrum of N,N,N,N-tetramethylethylenediaminedium aquabis(malonato)oxovanadate(IV) dihydrate, a weak two-dimensional exchanging system David Collison, Brendan Gahan and Frank E. Mabbs, pp 1705 DOI:10.1039/DT9830001705

Single-crystal electron spin resonance spectrum of dichloro-oxobis(triphenylphosphine oxide)vanadium(IV), a monomeric oxovanadium(IV) compound Brendan Gahan and Frank E. Mabbs, pp 1713 DOI:10.1039/DT9830001713

Synthetic and mechanistic studies of electrophilic attack by the cations [Fe(CO)3(1-5--dienyl)]+(dienyl = C6H7 or 2-MeOC6H6) on aryltrimethyl-silanes and -stannanes Glyn R. John, Leon A. P. Kane-Maguire, Timothy I. Odiaka and Colin Eaborn, pp 1721 DOI:10.1039/DT9830001721

Bi-imidazole (H2bim) and bibenzimidazole 3-allylic complexes of palladium(II). Mono- and tetra-nuclear palladium(II) and heteronuclear palladium(II)-rhodium(I) complexes. Crystal structure of [Pd4(3-C3H5)4(µ-bim)2]·CH2Cl2 Rafael Usón, José Gimeno, Luis A. Oro, Jesús M. Martínez de Ilarduya, Javier A. Cabeza, Antonio Tiripicchio and Marisa Tiripicchio Camellini, pp 1729 DOI:10.1039/DT9830001729

Nitrito-nitro linkage isomerisation of the penta-amminecobalt(III) complex in liquid ammonia Sijbe Balt, Henricus J. A. M. Kuipers and Willem E. Renkema, pp 1739 DOI:10.1039/DT9830001739

Solution chemistry of NN-ethylenebis(salicylideneiminato)iron(III). Part 1. Deprotonation equilibria and reversible decomposition in acid medium of NN- ethylenebis(salicylideneimine). Stability constant of NN- ethylenebis(salicylideneiminato)iron(III) Francisco LLoret, José Moratal and Juan Faus, pp 1743 DOI:10.1039/DT9830001743

Solution chemistry of NN-ethylenebis(salicylidenimeinato)iron(III). Part 2. Formation equilibria of µ-oxo-bis[NN-thylenebis(salicylideneiminato)iron(III)] and catecholato[NN-ethylenebis(salicylideneiminato)]ferrate(III) Francisco LLoret, José Moratal and Juan Faus, pp 1749 DOI:10.1039/DT9830001749

Iridium(III) complexes of diphenylphosphinous acid and secondary phosphites J. Andrew S. Duncan, T. Anthony Stephenson, William B. Beaulieu and D. Max Roundhill, pp 1755 DOI:10.1039/DT9830001755

Reaction of bis (morpholinoselenocarbonyl) triselenide with iodine. Existence of a 1 : 1 charge-transfer precursory adduct in solution in an oxidative reaction. Isolation and crystal structure of the new (N-morphoilnecarbodiselenoato)selenium(II)iodide Francesco Bigoli, Enrico Leporati, Maria Angela Pellinghelli, Guide Crisponi, Paola Deplane and Emanuele F. Trogu, pp 1763 DOI:10.1039/DT9830001763

Studies on partially oxidised ammonium and methyl-substituted ammonium bis(oxalato)platinates Masagi Mizuno, Allan E. Underhill and Kim Carneiro, pp 1771 DOI:10.1039/DT9830001771

Reactivity of 2-trithiocarbonate metal complexes as nucleophiles. Intramolecular mobility of the trithiocarbonate group in µ-CS3 binuclear complexes Claudio Bianchini, Paolo Innocenti and Andrea Meli, pp 1777 DOI:10.1039/DT9830001777

Co-ordinatively unsaturated alkyne complexes of molybdenum and tungsten. Reactions of [MCl(CF3CCCF3)2(-C5H5)](M = Mo or W) with heterocyclic thiolates leading to 2-vinyl complexes Jack L. Davidson, Ian E. P. Murray, Peter N. Preston and Maria V. Russo, pp 1783 DOI:10.1039/DT9830001783

Notes. Characterization of a zinc(II) complex of a 15-membered macrocyclic ligand in the solid state and in solution : X-ray structure of (6,7,8,1 3,14,15,16,17,18,19-decahydro-5H-[e,n][1,4,8,12]tetra-azacyclopentadecine)iodozinc(II) iodide Christopher W. G. Ansell, Keith P. Dancey, Mary McPartlin, Peter A. Tasker and Leonard F. Lindoy, pp 1789 DOI:10.1039/DT9830001789

Cyano- and halogeno-bridged transition-metal complexes. Structural comparisons of neutral and cationic oligomers Julian A. Davies and Joel F. Liebman, pp 1793 DOI:10.1039/DT9830001793

Properties and structural characterization of the mixed-ligand complex oxydiacetato(2,2:6,2-terpyridyl)copper(II) dihydrate Nevenka Bresciani Pahor, Giorgio Nardin, Raffaele P. Bonomo and Enrico Rizzarelli, pp 1797 DOI:10.1039/DT9830001797

The electronic absorption spectrum and structure of the emitting state of the tris(2,2-bipyridyl)ruthenium(II) complex ion Paul S. Braterman, Anthony Harriman, Graham A. Heath and Lesley J. Yellowlees, pp 1801 DOI:10.1039/DT9830001801

Stereochemistry of 5-substituted 4-cyclopentadiene transition-metal complexes Stephen G. Davies, Steven D. Moon, Stephen J. Simpson and Susan E. Thomas, pp 1805 DOI:10.1039/DT9830001805

Intramolecular nucleophilic attack at the -carbon atom of a µ3-alkynyl ligand in a triosmium cluster Silvio Aime and Antony J. Deeming, pp 1807 DOI:10.1039/DT9830001807

The formation of K[B5O6(OH)4]·2H2O from H3BO3 and KF in aqueous solution John Emsley and Jeremy S. Lucas, pp 1811 DOI:10.1039/DT9830001811

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX031

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP039

Mono-, bi-, and tri-nuclear -cyclopentadienyl–rhodium complexes obtained from [Rh2(-C5H5)2(µ-CO)(CO)2]. Crystal structure of [{Rh(-C5H5)(µ-CO)}3]·0.24Me2CO Felice Faraone, Sandra Lo Schiavo, Giuseppe Bruno, Pasquale Piraino and Gabriella Bombieri, pp 1813 DOI:10.1039/DT9830001813

Synthesis and crystal and molecular structure of [(-C5H5)Rh(µ-CO)2Rh(PPh3)(-C5H5)] an asymmetric bimetallic complex with a polar rhodium–rhodium bond Felice Faraone, Giuseppe Bruno, Sandra Lo Schiavo, Pasquale Piraino and Gabriella Bombieri, pp 1819 DOI:10.1039/DT9830001819

A spectroscopic investigation of cerium molybdenum oxides Tery L. Barr, Charles G. Fries, Franco Cariati, Jan C. J. Bart and Nicola Giordano, pp 1825 DOI:10.1039/DT9830001825

Stoicheiometry and kinetics of the oxidation of hydroxylamine by peroxomonophosphoric acid in acidic perchlorate solutions and catalysis by iron(III) and iodide or iodine Pushpa Keswani, Muni Raj Goyal and Yugal Kishore Gupta, pp 1831 DOI:10.1039/DT9830001831

Vibrational and nuclear quadrupole resonance spectra of some complexes of ICl4– and AuCl4–. Part 2. Trichlorochalcogen tetrachloroaurates [ACl3][AuCl4](A = S, Se, or Te) Arthur Finch, Peter N. Gates, Terence H. Page and Keith B. Dillon, pp 1837 DOI:10.1039/DT9830001837

Intermolecular exchanges of tertiary phosphine ligands (L) between trans-[NiRXL2](R = CClCCl2, C6Cl5, or C6H2Me3-2,4,6) and of halide ligands (X) between trans-[MRXL2](M = Ni, Pd, or Pt) Masanori Wada and Kichi Nishiwaki, pp 1841 DOI:10.1039/DT9830001841

Lead-207 chemical shift data for bivalent lead compounds: thermodynamics of the equilibrium Pb(O2CCH3)2[Pb(O2CCH3)]++ O2CCH3– in aqueous solution in the temperature range 303–323 K Philip G. Harrison, Michael A. Healy and Andrew T. Steel, pp 1845 DOI:10.1039/DT9830001845

Novel hetero trinuclear complexes triply bridged by carbon disulphide; X-ray crystal structure of the complex [(OC)2(5-C5H5)FeC(S)SFe(5-C5H5)(CO)2W(CO)5] Luigi Busetto, Magda Monari, Antonio Palazzi, Vincenzo Albano and Francesco Demartin, pp 1849 DOI:10.1039/DT9830001849

Complexation of alkali- and alkaline-earth-metal cations by a conjugated tetraimine macrocyclic ligand: synthesis, sodium-23 nuclear magnetic resonance spectra, and the X-ray structure of a twelve-co-ordinate barium(II)sandwich complex S. Martin Nelson, Ferida S. Esho and Michael G. B. Drew, pp 1857 DOI:10.1039/DT9830001857

Stereochemistry of metal complexes of the macrocycle 3,3,7,7,11,11,15,15-octamethyl-1,9-dithia-5,13-diazacyclohexadecane. Crystal structure analysis of 3,3,7,7,11,11,15,15-octamethyl-1,9-dithia-5,13-diazacyclohexadecanepalladium(II) dichloride dihydrate George Ferguson, Robert McCrindle, Alan J. McAlees, Masood Parvez and Donald K. Stephenson, pp 1865 DOI:10.1039/DT9830001865

Synthesis and crystal structure of bis(1,4,7-triazacyclononane-NN)platinum(II) dibromide dehydrate and its facile oxidation by oxygen: characterisation of bis(1,4,7-triazacyclononane-NNN)platinum(IV) tetraperchtorate Karl Wieghardt, Martin Köppen, Wolfgang Swiridoff and Johannes Weiss, pp 1869 DOI:10.1039/DT9830001869

Intramolecular co-ordination by a hydroxy-group to methylmercury(II). Synthesis and characterization of complexes [HgMe(L)]NO3 containing polydentate ligands (L), and the crystal structure of the tris(N-methylimidazol-2-yl)methanol complex Allan J. Canty, Jennifer M. Patrick and Allan H. White, pp 1873 DOI:10.1039/DT9830001873

Reduction–oxidation properties of organotransition-metal complexes. Part 17. The reaction of [Rh(CO)(PPh3)(-C5H5)] with one-electron oxidants: fulvalene complex and silver adduct formation, and the X-ray crystal structure of [Ag{Rh(CO)(PPh3)(-C5H5)}2][PF6]·C6H5Me Neil G. Connelly, Andrew R. Lucy, John D. Payne, Anita M. R. Galas and William E. Geiger, pp 1879 DOI:10.1039/DT9830001879

Olefin–acetylene metal complexes. The formation of some 1,4-diene complexes of rhodium(I) by the reactions of rhodium(I) olefin–hexafluorobut-2-yne complexes with 2,4-dimethylpenta-2,3-diene, propene, and cyclopropane Raymond D. W. Kemmitt and Michael D. Schilling, pp 1887 DOI:10.1039/DT9830001887

Octahedrally co-ordinated zinc and cadmium compounds with five-membered heterocyclic OS3N2 ligands Herbert W. Roesky, Manfred Thomas, Jan W. Bats and Hartmut Fuess, pp 1891 DOI:10.1039/DT9830001891

Evolution of -Cr2O3 from hydrous chromium oxides: magnetic susceptibility and extended X-ray absorption fine structure studies Kaushal Kishore Singh, Prabhakar R. Sarode and Parthasarathy Ganguly, pp 1895 DOI:10.1039/DT9830001895

Study of ternary complexes of copper(II) containing tertiary amines and adenosine-5-triphosphate in dioxan–water media Vibha K. Patel, Uma V. Chudasama and Pabitra K. Bhattacharya, pp 1901 DOI:10.1039/DT9830001901

Lewis-base adducts of Group 1B metal(I) compounds. Part 1. Synthesis and structure of CuILn complexes (L = nitrogen base, n? 1.5) Peter C. Healy, Chaveng Pakawatchai, Colin L. Raston, Brian W. Skelton and Allan H. White, pp 1905 DOI:10.1039/DT9830001905

Lewis-base adducts of Group 1B metal(I) compounds. Part 2. Synthesis and structure of CuIL2 complexes (L = nitrogen base) Peter C. Healy, Chaveng Pakawatchai and Allan H. White, pp 1917 DOI:10.1039/DT9830001917

Kinetics and mechanism of the interaction of cis-diamminediaquaplatinum(II) with organocobalamins Yueh-Tai Fanchiang, Gerald T. Bratt and Harry P. C. Hogenkamp, pp 1929 DOI:10.1039/DT9830001929

Metal complexes of sulphur–nitrogen chelating agents. Part 10. The chemistry of palladium(II) complexes with some monoanionic tridentate ligands of the type SNN Rita Roy, Santosh Kumar Mondal and Kamalaksha Nag, pp 1935 DOI:10.1039/DT9830001935

Multinuclear variable-temperature nuclear magnetic resonance study of rhodium carbonyl clusters containing encapsulated heteroatoms: ligand and metal polyhedral rearrangements Brian T. Heaton, Luisella Strona, Roberto Della Pergola, José L. Vidal and Richard C. Schoening, pp 1941 DOI:10.1039/DT9830001941

Kinetic studies on 1 : 1 electron-transfer reactions involving blue copper proteins. Part 5. Reactions of parsley plastocyanin and Pseudomonas aeruginosa azurin with the negatively charged oxidants [(NC)5FeCNCo(CN)5]5– and [Fe(CN)6]3– Stephen K. Chapman, Isao Sanemasa, Alan D. Watson and A. Geoffrey Sykes, pp 1949 DOI:10.1039/DT9830001949

Kinetics and mechanism of cadmium(II) ion assisted incorporation of manganese(II) into 5,10,15,20-tetrakis(4-sulphonatophenyl)porphyrinate(4–) Masaaki Tabata and Motoharu Tanaka, pp 1955 DOI:10.1039/DT9830001955

The reaction of S2NAsF6 with halogens: preparation and X-ray crystal structure of bis(difluorothio)nitronium hexafluoroarsenate(V), (SF2)2NAsF6; preparation of (SBr)2NAsF6, and vibrational spectrum and normal-co-ordinate analysis of the (SX)2N+(X = Cl or Br) cations Wendell V. F. Brooks, Gregory K. MacLean, Jack Passmore, Peter S. White and Chi-Ming Wong, pp 1961 DOI:10.1039/DT9830001961

Unprecedented bridging mode of the triethylphosphine–carbon disulphide adduct PEt3·CS2. X-Ray crystal structure of the binuclear silver(I) complex [{Ag(S2CPEt3)(µ-S2CPEt3)}2][ClO4]2 Claudio Bianchini, Carlo A. Ghilardi, Andrea Meli, Annabella Orlandini and Giancarlo Scapacci, pp 1969 DOI:10.1039/DT9830001969

Crystal structures of the alums CsM[SO4]2·12H2O (M = Rh or Ir) Robert S. Armstrong, James K. Beattie, Stephen P. Best, Brian W. Skelton and Allan H. White, pp 1973 DOI:10.1039/DT9830001973

Thermochemistry of the potassium hexafluorometallates(III) of the elements from scandium to gallium Peter G. Nelson and Richard V. Pearse, pp 1977 DOI:10.1039/DT9830001977

Preparation and properties of difluorophosphino-derivatives of phosphorus(III) hydroxy-compounds E. A. V. Ebsworth, George M. Hunter and David W. H. Rankin, pp 1983 DOI:10.1039/DT9830001983

Gas-phase molecular structures of bis(difluorophosphino) sulphide, S(PF2)2, bis(difluorophosphino) selenide, Se(PF2)2, and difluoro(methylthio)phosphine, PF2(SMe), determined by electron diffraction David E. J. Arnold, Grete Gundersen, David W. H. Rankin and Heather E. Robertson, pp 1989 DOI:10.1039/DT9830001989

Studies on the oxygenolysis of 9,10-phenanthrenequinone by CuXL (X = Cl or Br; L = pyridine, 2,2-bipyridine, and 1,10-phenanthroline) complexes Gábor Speier and Zoltán Tyeklár, pp 1995 DOI:10.1039/DT9830001995

The hydrolysis of metal ions. Part 7. Beryllium(II) Paul L. Brown, John Ellis and Ronald N. Sylva, pp 2001 DOI:10.1039/DT9830002001

Structure and bonding in linear-bridged species: electronic, Raman, and resonance Raman spectra of the trinuclear dinitrogen-bridged complex [{Cl(PMe2Ph)4Re(N2)}2MoCl4] Jeremy R. Campbell, Robin J. H. Clark and Martin J. Stead, pp 2005 DOI:10.1039/DT9830002005

Transition metal–carbon bonds. Part 56. Attack on allene complexes of type cis-[PtCl2(PR3)(C3H4)] by the ambident nucleophile, acetoxime: crystal structure of [PtCl(PMe2Ph){ON(CMe2)CH CMe}] Alan T. Hutton, David M. McEwan, Bernard L. Shaw and Stephen W. Wilkinson, pp 2011 DOI:10.1039/DT9830002011

An aryltellurium mixed halide anion. Preparation and crystal and molecular structure of [NBun4][PhTeCl3I] Nathaniel W. Alcock and W. David Harrison, pp 2015 DOI:10.1039/DT9830002015

Studies of the electronic properties of the tetrathiotungstate(VI) ion, [WS4]2–, by low-temperature absorption and resonance Raman spectroscopy Robin J. H. Clark, Trevor J. Dines and Graeme P. Proud, pp 2019 DOI:10.1039/DT9830002019

Tertiary phosphine adducts of manganese(II) dialkyls. Part 1. Synthesis, properties and structures of alkyl-bridged dimers Christopher G. Howard, Geoffrey Wilkinson, Mark Thornton-Pett and Michael B. Hursthouse, pp 2025 DOI:10.1039/DT9830002025

Magnetic exchange interactions in perovskite solid solutions. Part 2. Iron-57 and 151 Eu Mössbauer spectra of EuFe1–xCrxO3(O < X < 1) Terence C. Gibb, pp 2031 DOI:10.1039/DT9830002031

Magnetic exchange interactions in perovskite solid solutions. Part 3. Tin-119 Mössbauer spectra of doped iron perovskite solid solutions Terence C. Gibb, pp 2035 DOI:10.1039/DT9830002035

Chemistry of iron complexes. Part 1. Synthesis, characterization, and structures of iron(III) complexes with bis(tertiary phosphine oxides) Tarlok Singh Lobana, Hardeep Singh Cheema and Sarjit Singh Sandhu, pp 2039 DOI:10.1039/DT9830002039

Equilibria and speciation of metal complexes important in hydrometallurgy. Part 3. Studies of the copper(II) complexes of 5-nonylsalicylaldoxime (Acorga P50), the effect of 4-nonylphenol and the formation of five-co-ordinate adducts with nitrogenous bases Brian McCudden, Paul O'Brien and John R. Thornback, pp 2043 DOI:10.1039/DT9830002043

The nature of water in hydrazine salt hydrates Kashinath C. Patil, C. Nesamani and Venkatesh R. Pai Verneker, pp 2047 DOI:10.1039/DT9830002047

Electron-transfer kinetics and mechanism of di-imine bond formation in tetracyano(ethylenediamine)ferrate(II) Ana Maria da Costa Ferreira and Henrique E. Toma, pp 2051 DOI:10.1039/DT9830002051

Electron spin resonance studies of some bis(cyclopentadienyl) complexes of vanadium(IV) and niobium(IV) Allan T. Casey and J. Barrie Raynor, pp 2057 DOI:10.1039/DT9830002057

Metallaborane chemistry. Part 13. Direct insertion of a platinum nucleophile into nido-5,6-C2B8H12 : synthesis and structural elucidation of [9-H-9,9-(Et3P)2-µ10,11-H-7,8,9-C2PtB8H10] and [9-H-9,10-(Et3P)2-7,8,9-C2PtB8H9] Geoffrey K. Barker, Michael Green, F. Gordon A. Stone, Wayne C. Wolsey and Alan J. Welch, pp 2063 DOI:10.1039/DT9830002063

Gold-197 Mössbauer spectra of organogold(I) compounds Karen Moss (née Brown), R. V. (Dick) Parish, Antonio Laguna, Mariano Laguna and Rafael Usón, pp 2071 DOI:10.1039/DT9830002071

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 20. Complexation of carbon–metal triple bonds with low-valent metal species; crystal structures of the bimetal complexes [CrW(µ-CC6H4Me-4)(CO)4(-C5H5)(-C6Me6)] and [CoW(µ-CC6H4Me-4)(CO)3(-C5H5)(-C5Me5)] J. Antonio Abad, Lawrence W. Bateman, John C. Jeffery, Kevin A. Mead, Hayat Razay, F. Gordon A. Stone and Peter Woodward, pp 2075 DOI:10.1039/DT9830002075

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 21. Reactivity of µ-(methoxy-p-tolylmethylene) and µ-(p-tolylmethylidyne) groups at a platinum–tungsten centre. X-Ray crystal structure of [PtW{µ-C(OMe)C6H4Me-4}(µ-Ph2PCH2PPh2)(CO)5] Kevin A. Mead, Iain Moore, F. Gordon A. Stone and Peter Woodward, pp 2083 DOI:10.1039/DT9830002083

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 22. Synthesis and some reactions of [bis(diphenylphosphino)methane]pentacarbonyl-µ-[methoxy(methyl)methylene]-platinumtungsten and the crystal structure of [PtW(µ-CCH2)(Ph2PCH2PPh2)(CO)5] M. Rasol Awang, John C. Jeffery and F. Gordon A. Stone, pp 2091 DOI:10.1039/DT9830002091

Organic chemistry of dinuclear metal centres. Part 4. µ-Carbene and µ-vinyl complexes of ruthenium from allenes Robert E. Colborn, Andrew F. Dyke, Selby A. R. Knox, Kevin A. Mead and Peter Woodward, pp 2099 DOI:10.1039/DT9830002099

Synthesis and reactions of osmium(III) chloro carboxylates. X-ray crystal structure of tetra(µ-n-butyrato)-dichlorodiosmium(III)(Os–OS) Torsten Behling, Geoffrey Wilkinson, T. Anthony Stephenson, Derek A. Tocher and Malcolm D. Walkinshaw, pp 2109 DOI:10.1039/DT9830002109

Notes. Complexes containing mercury–molybdenum bonds: new compounds of the type [HgX{trans-Mo(CO)2L(5-C5H5)}](L = arsine or phosphine). Crystal and molecular structure of the complex [Hg(CN){trans-Mo(CO)2(AsMe2Ph)(5-C5H5)}] Geoffrey Salem, Brian W. Skelton, Allan H. White and Stanley Bruce Wild, pp 2117 DOI:10.1039/DT9830002117

Crystal structure of bis(benzo[h]quinolin-10-yl-C10,N)dicarbonylruthenium(II) Jennifer M. Patrick, Allan H. White, Michael I. Bruce, Mark J. Beatson, David St. C. Black, Glen B. Deacon and Nicholas C. Thomas, pp 2121 DOI:10.1039/DT9830002121

Properties of (1,4,7,10,13-penta-azacyclohexadecane)nickel(III) in aqueous solutions: a pulse radiolytic study Luigi Fabbrizzi, Hain Cohen and Dan Meyerstein, pp 2125 DOI:10.1039/DT9830002125

The crystal structure of the compound meso,meso ethylenebis[octaethylporphyrinatonickel(II)] Peter B. Hitchcock, pp 2127 DOI:10.1039/DT9830002127

Co-ordination chemistry of higher oxidation states. Part 7. Nickel(III) and nickel(II)–nickel(IV) complexes of ethylenediamine and related ligands. A clarification David A. Cooper, Simon J. Higgins and William Levason, pp 2131 DOI:10.1039/DT9830002131

Solution chemistry and reactivity of tris(N,N-dialkyldithiocarbamato)oxomolybdenum(VI) cationic complexes Charles G. Young, John A. Broomhead and Christopher J. Boreham, pp 2135 DOI:10.1039/DT9830002135

Formation of MgGeO3 from the hydrate prepared by hydrolysis of magnesium and germanium oxides Osamu Yamaguchi, Katsuji Kawabe and Kiyoshi Shimizu, pp 2139 DOI:10.1039/DT9830002139

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX037

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP045

Notice to authors. Publication of X-ray crystallographic work in the Journal of the Chemical Society J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300000vb

The reaction of organic dihalides with organyltelluride (RTe-) anions : telluronium salts and charge-transfer complexes K. G. Karnika De Silva, Zahra Monsef-Mirzai and William R. McWhinnie, pp 2143 DOI:10.1039/DT9830002143

The co-ordination of small molecules by manganese(II) phosphine complexes. Part 1. The reversible co-ordination of dioxygen by [MnX2(PR3)](X = Cl, Br, or I; R3= Bun3 or PhBun2) complexes in solution and an infrared criterion for predicting dioxygen binding activity in the di-isothiocyanato(phosphine)manganese(II) complexes Charles A. McAuliffe, Hussain F. Al-Khateeb, David S. Barratt, Josie C. Briggs, Aida Challita, Afshin Hosseiny, M. Guy Little, Anthony G. Mackie and Karl Minten, pp 2147 DOI:10.1039/DT9830002147

Investigation into aroylhydrazones as chelating agents. Part 4. Synthesis and spectroscopic characterization of CoII, NiII, CuII, and ZnII complexes of 2,6-diacetylpyridine bis(2-thenoylhydrazone) and X-ray crystal structure of bis[2,6-diacetylpyridine bis(2-thenoylhydrazonato)(2-)]dizinc(II) Carlo Lorenzini, Corrado Pelizzi, Giancarlo Pelizzi and Giovanni Predieri, pp 2155 DOI:10.1039/DT9830002155

X-Ray and electrochemical investigation on a series of cobalt(II) complexes with quinquedentate ligands and their reactivity towards dioxygen Piero Zanello, Renzo Cini, Arnaldo Cinquantini and Pier L. Orioli, pp 2159 DOI:10.1039/DT9830002159

X-Ray crystal structures of some adducts of dimeric copper(II) acetate. Nature of the copper-copper interaction Vattipalli Mohan Rao, Dinit N. Sathyanarayana and Hattikuolus Manohar, pp 2167 DOI:10.1039/DT9830002167

Heterometallic adducts of [Rh6(CO)15C]2-, including the novel double- and triple-decker sandwich compounds [Agn{Rh6(CO)15C}2](4-n)-(n= 1 and 3) and [Agn{Rh6(CO)15C}3](6-n)-(n= 2 and 4) and the X-ray structural characterisation of [PPh4]3[Ag{Rh6(CO)15C}2] Brian T. Heaton, Luisella Strona, Secondo Martinengo, Donatella Strumolo, Vincenzo G. Albano and Dario Braga, pp 2175 DOI:10.1039/DT9830002175

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 7. Preparation and characterisation of some ruthenium complexes crystal and molecular structure of -cyclopentadienyl[-1,2,3,4,5-pentakis(methoxycarbonyl)cyclopentadienyl]ruthenium, [Ru(-C5H5){-C5(CO2Me)5}] Michael I. Bruce, Robert C. Wallis, Michael L. Williams, Brian W. Skelton and Allan H. White, pp 2183 DOI:10.1039/DT9830002183

Oxidation and reduction of copper(II) complexes with saturated poly-aza macrocycles of varying size and denticity Luigi Fabbrizzi, Antonio Poggi and Piero Zanello, pp 2191 DOI:10.1039/DT9830002191

Chemistry of ruthenium. Part 10. Triazene 1-oxide complexes of bis(2,2-bipyridine)ruthenium-(II) and -(III). Synthesis, spectra, and electrochemistry Rabindranath Mukherjee and Animesh Chakravorty, pp 2197 DOI:10.1039/DT9830002197

Photoreduction of polymolybdates(VI) in aqueous solutions containing acetic acid Toshihiro Yamase and Tadatoshi Kurozumi, pp 2205 DOI:10.1039/DT9830002205

The ultraviolet photoelectron spectra and electronic structure of gas-phase and condensed SnF2 and PbF2 Igor Novak and Anthony W. Potts, pp 2211 DOI:10.1039/DT9830002211

Water oxidation to oxygen by cerium(IV) ions mediated by ruthenium dioxide catalyst John Kiwi, Michael Grätzel and George Blondeel, pp 2215 DOI:10.1039/DT9830002215

The chemistry of vitamin B12. Part 22. Steric effects in the co-ordination of amines by cobalt(III) corrinoids David A. Baldwin, Eric A. Betterton and John M. Pratt, pp 2217 DOI:10.1039/DT9830002217

The chemistry of vitamin B12. Part 23. Decomposition of the cobalt(I) cobalamin B12s in aqueous solution; a novel oscillating reaction Susan M. Chemaly, Robert A. Hasty and John M. Pratt, pp 2223 DOI:10.1039/DT9830002223

The synthesis, reactivity, and crystal and molecular structure of [Rh3(µ-PPh2)3(µ-Cl)2(µ-CO)(CO)3], an unusual 50-electron closed trinuclear cluster derivative of rhodium Raymond J. Haines, Nick D. C. T. Steen and Robin B. English, pp 2229 DOI:10.1039/DT9830002229

Compartmental ligands. Part 6. Transition-metal complexes of a non-symmetric, acyclic, Schiff base derived from heptane-2,4,6-trione,1-(o-hydroxyphenyl)butane-1,3-dione, and 1,2-diaminoethane Jean-Pierre Costes and David E. Fenton, pp 2235 DOI:10.1039/DT9830002235

Compartmental ligands. Part 7. The reactions of 1,2-diaminobenzene and cis-1,2-diaminocyclohexane with heptane-2,4,6-trione and 1-(o-hydroxyphenyl)butane-1,3-dione. The crystal structures of 1-(o-aminophenyl)-2,6-dimethyl-4-pyridone hemihydrate and {3,3-(cis-1,2-cyclohexanediyldi-imino)bis[1-(o-hydroxyphenyl)but-2-enonato]-(N,N,O1,O1)}copper(II) Neil A. Bailey, Kevin C. Cox, Christopher P. Falshaw, David E. Fenton, Stephen E. Grundy, Paul Haigh, Carl A. Phillips and (the late) Trevor J. King, pp 2241 DOI:10.1039/DT9830002241

The reactions of tetrahydrothiophene (tht) with tribromosulphidoniobium(V) and trichlorosulphidoniobium(V) and the crystal structures of three of the products Nb2Cl4S3·4tht, Nb2Br4S3·4tht, and NbBr3S·2tht Michael G. B. Drew, David A. Rice and David M. Williams, pp 2251 DOI:10.1039/DT9830002251

Some reactions of [Os3(CO)10(NCMe)2] with arenes; the molecular structure of [Os3H2(CO)9(C6H4)] Robert J. Goudsmit, Brian F. G. Johnson, Jack Lewis, Paul R. Raithby and Maria J. Rosales, pp 2257 DOI:10.1039/DT9830002257

Synthesis, properties, and X-ray structural characterization of [tris(2-diphenylphosphinoethyl)phosphine]nickel(I) perchlorate and triphenylphosphine[tris(2-diphenylarsinoethyl)amine]nickel(I) perchlorate Franco Cecconi, Stefano Midollini and Annabella Orlandini, pp 2263 DOI:10.1039/DT9830002263

2,9-Dimethyl-1,10-phenanthroline copper(I) complexes with some sulphur-containing amino acids Whei-Lu Kwik, Kok-Peng Ang and Poh-Choo Lau, pp 2269 DOI:10.1039/DT9830002269

Crystal and molecular structures of dinitritobis(pyridine)zinc(II), bis(2-methylpyridine)dinitritozinc(II), and dinitritobis(quinoline)nickel(II) Michael A. Hitchman, Rudolf Thomas, Brian W. Skelton and Allan H. White, pp 2273 DOI:10.1039/DT9830002273

The high-spin ground state of quadridentate salicylaldehyde Schiff-base complexes of cobalt(II) in N-heterocyclic solvents Kouto Migita, Makoto Chikira and Masamoto Iwaizumi, pp 2281 DOI:10.1039/DT9830002281

The reactions of acetone and of diacetone alcohol with [Mo{HB(3,5-Me2C3HN2)3}(NO)I2]. The formation of [Mo{HB(3,5-Me2C3HN2)3}(NO)I(OEt)] and the structures of [{Mo[HB(3,5-Me2C3HN2)3](NO)I}2O] and a bicyclic salt [C6H3Me5N2(OH)][I½(I3)½] Harry Adams, Neil A. Bailey, Gianfranco Denti, Jon A. McCleverty, John M. A. Smith and Andrej Wodarczyk, pp 2287 DOI:10.1039/DT9830002287

Diastereomeric chiral diphosphine chioro(5-cyclopentadienyl)ruthenium(II) complexes and the crystal structure of [(S)RuCl(5-C5H5){(R)Ph2PCH(Me)CH2PPh2}] Franco Morandini, Giambattista Consiglio, Barbara Straub, Gianfranco Ciani and Angelo Sironi, pp 2293 DOI:10.1039/DT9830002293

Electronic, resonance-Raman, and infrared spectroscopic studies of the thiometalate complexes [NEt4]2[(PhS)2FeS2MS2], M = Mo or W Robin J. H. Clark, Trevor J. Dines and Graeme P. Proud, pp 2299 DOI:10.1039/DT9830002299

Interaction between uranium tetrafluoride oxide and the pentafluorides of arsenic, niobium, tantalum, and bismuth John H. Holloway, David Laycock and Roland Bougon, pp 2303 DOI:10.1039/DT9830002303

Triple halide-bridged diruthenium complexes in higher oxidation states Vyvyan T. Coombe, Graham A. Heath, T. Anthony Stephenson and Dimitris K. Vattis, pp 2307 DOI:10.1039/DT9830002307

Reactions of [Ru5C(CO)15], involving bridging ligands : crystal and molecular structures of the complexes [Ru5(H)C(CO)14(SEt)], [Ru5(H)C(CO)13(PPh3)(SEt)], [Ru5(H)C(CO)12(PPh3)(SEt)], and [Ru5C(CO)13(PPh3){µ-Au(PPh3)}(µ-I)] Alan G. Cowie, Brian F. G. Johnson, Jack Lewis, J. Nicola Nicholls, Paul R. Raithby and Maria J. Rosales, pp 2311 DOI:10.1039/DT9830002311

Microcalorimetric studies of the thermal decomposition of ammonia-halide and amine-halide complexes of platinum(II), [Pt(NH2R)2X2] Ghassan Al Takhin, Henry A. Skinner and Ahmed A. Zaki, pp 2323 DOI:10.1039/DT9830002323

Kinetics and mechanism for reduction of tetrabromoaurate(III) by uridine Renato Ettorre, pp 2329 DOI:10.1039/DT9830002329

The crystal structure and electronic properties of catena-bis(2,2-bipyridyl)-µ-tetrafluoroborato-copper(II) tetrafluoroborate and catena-bis(2,2-bipyridyl)-µ-perchlorato-copper(II) perchlorate Judy Foley, Daniel Kennefick, David Phelan, Suresh Tyagi and Brian Hathaway, pp 2333 DOI:10.1039/DT9830002333

Notes. Reaction of triruthenium dodecacarbonyl with nitrobenzene and structure of µ3-phenylnitrene-triruthenium decacarbonyl, [Ru3(CO)10(µ3-NPh)] Sumit Bhaduri, Kalpathi S. Gopalkrishnan, George M. Sheldrick, William Clegg and Dietmar Stalke, pp 2339 DOI:10.1039/DT9830002339

Matrix isolation studies on ytterbium dichloride : a non-linear molecule. Observation of isotopic structure on 1 and 3 Ian R. Beattie, J. Steven Ogden and Robert S. Wyatt, pp 2343 DOI:10.1039/DT9830002343

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX039

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX041

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP049

Multinuclear nuclear magnetic resonance studies of trimethylplatinum(IV) complexes with organochalcogen ligands Edward W. Abel, Keith G. Orrell and Andrew W. G. Platt, pp 2345 DOI:10.1039/DT9830002345

Alkali-induced decomposition of hydrogen peroxide Zoltán M. Galbács and László J. Csányi, pp 2353 DOI:10.1039/DT9830002353

Solvent effects on the kinetics of oxidation of cysteinatobis(ethylenediamine)cobalt(III) ion by peroxodisulphate Olga Vollárová and Ján Benko, pp 2359 DOI:10.1039/DT9830002359

Cluster chemistry. Part 18. Isocyanide complexes derived from [Ru3(CO)12]: crystal and molecular structures of [Ru3(CO)12 -n(CNBut)n](n= 1 or 2) Michael I. Bruce, Janis G. Matisons, Robert C. Wallis, Jennifer M. Patrick, Brian W. Skelton and Allan H. White, pp 2365 DOI:10.1039/DT9830002365

Cluster chemistry. Part 19. Crystal and molecular structures of the complexes [Ru3(CO)11{P(C6H11)3}], [Ru3(CO)10{P(OMe)3}2], and [Ru3(CO)9(PMe3)3]: two examples of disordered metal cores within ordered ligand atom polyhedra Michael I. Bruce, Janis G. Matisons, Brian W. Skelton and Allan H. White, pp 2375 DOI:10.1039/DT9830002375

Cluster chemistry. Part 20. Preparation, X-ray crystal structures, and some reactions of [Fe3(CO)11(CNBut)] and [Fe3(CO)9(µ3-2-CNBut)] Michael I. Bruce, Trevor W. Hambley and Brian K. Nicholson, pp 2385 DOI:10.1039/DT9830002385

Reactivity of the rhodium(III) formamidinato-complex [Rh(-C5Me5)Cl(p-MeC6H4N CH NC6H4Me-p)] with CO and heterocumulenes. Crystal and molecular structure of the thioureido-complex [Rh(-C5Me5)Cl{PhN C[N(C6H4Me-p)-CHNC6H4Me-p] S}] Pasquale Piraino, Giuseppe Bruno, Giuseppe Tresoldi, Giovanni Faraone and Gabriella Bombieri, pp 2391 DOI:10.1039/DT9830002391

Cyclic carbene complexes of molybdenum and tungsten. Crystal and molecular structure of [Mol(CO)2{CO(CH2)2CH2}(-C5H5)] Neil A. Bailey, Paul L. Chell, Christopher P. Manuel, Anuradha Mukhopadhyay, Deborah Rogers, Helen E. Tabbron and Mark J. Winter, pp 2397 DOI:10.1039/DT9830002397

Synthesis, characterization, and crystal structure analysis of pentane-2,4-dionato(1,4,7,10-tetra-azacyclododecane)cobalt(III) diperchlorate monohydrate and its brominated complex (3-bromopentane-2,4-dionato)(1,4,7,10-tetra-azacyclododecane)cobalt(III) diperchlorate hemihydrate Naohide Matsumoto, Akira Hirano, Tadanori Hara and Akira Ohyoshi, pp 2405 DOI:10.1039/DT9830002405

Substituent effects on the bonding properties in cyclotriphosphanes and related compounds. Polarization of Hückel versus Möbius orbitals Wolfgang W. Schoeller and Thomas Dabisch, pp 2411 DOI:10.1039/DT9830002411

Solvent dependence of the stereochemistry of base-catalyzed solvolysis of trans-[Co(NH3)4(15NH3)X]3+/2+(X = Me2SO or Cl) ions Sijbe Balt, Hendrikus J. Gamelkoorn and Willem E. Renkema, pp 2415 DOI:10.1039/DT9830002415

Reactivity of 2-CS3Me metal complexes as electrophiles Claudio Bianchini and Andrea Meli, pp 2419 DOI:10.1039/DT9830002419

Synthesis and X-ray crystal structure of trichlorotris[1-phenyl-3-(2-pyridyl)-2-thiourea-S]bismuth(III) and di-µ-chloro-tetrachlorotetrakis(NN-diethylimidazolidine-2-thione-S)dibismuth(III) Luigi P. Battaglia and Anna Bonamartini Corradi, pp 2425 DOI:10.1039/DT9830002425

Dinuclear metal complexes. Part 2. Synthesis, characterisation, and electrochemical studies of macrocyclic dicopper(II) complexes Sanat Kumar Mandal and Kamalaksha Nag, pp 2429 DOI:10.1039/DT9830002429

Organic chemistry of dinuclear metal centres. Part 5. Generation of hydrocarbons from methylene chains linking two metal centres. Evidence for a dimetallacycle intermediate Michael Cooke, Nigel J. Forrow and Selby A. R. Knox, pp 2435 DOI:10.1039/DT9830002435

Synthesis and characterization of cyclometallated complexes of benzalazines. Crystal and molecular structure of [{Pd(p-ClC6H3CHN-)Cl(PEt3)2}2] Jaime Granell, Joaquim Sales, Jaume Vilarrasa, Jean P. Declercq, Gabriel Germain, Carles Miravitlles and Xavier Solans, pp 2441 DOI:10.1039/DT9830002441

The reductive activation of [M5C(CO)15](M = Ru or Os) and subsequent reactions of the dianion [Os5C(CO)14]2-, carbonylation of [M5C(CO)15](M = Ru or Os), and the crystal structures of [Os5C(CO)16], [N(PPh3)2]2[Os5C(CO)14], and [Os5C(CO)14{Au(PPh3)}2] Brian F. G. Johnson, Jack Lewis, William J. H. Nelson, J. Nicola Nicholls, José Puga, Paul R. Raithby, Maria J. Rosales, Martin Schröder and Maria D. Vargas, pp 2447 DOI:10.1039/DT9830002447

Olefin-acetylene metal complexes: reactions of olefin-hexafluorobut-2-yne complexes of rhodium(I) with nitrogen, phosphorus, arsenic, and antimony donor ligands Martin E. Howden, Raymond D. W. Kemmitt and Michael D. Schilling, pp 2459 DOI:10.1039/DT9830002459

Electrophilic behaviour of nitrosyls: the Boedeker reaction, the reactions of sulphite with nitrosyls, and the crystal and molecular structure of cis-bis(2,2-bipyridine)chloro(nitrosylsulphito)ruthenium Frank Bottomley, Wendell V. F. Brooks, Daniel E. Paéz, Peter S. White and Masao Mukaida, pp 2465 DOI:10.1039/DT9830002465

Dialkyl, diaryl, and alkyl aryl complexes of ruthenium(II) David R. Saunders, Martin Stephenson and Roger J. Mawby, pp 2473 DOI:10.1039/DT9830002473

Mixed oxidation state confacial bioctahedral complexes of tungsten possessing strong metal-metal interactions. Part 2. Synthesis, X-ray crystal structure and electron spin resonance studies of the WIII/WIV complex [AsPh4]2[Cl3W(µ-Cl)(µ-SPh)2WCl3]·1.4CH2Cl2 Joanne M. Ball, P. Michael Boorman, Kelly J. Moynihan, Vikram D. Patel, John F. Richardson, David Collison and Frank E. Mabbs, pp 2479 DOI:10.1039/DT9830002479

Bimetallic systems. Part 2. Synthesis and interconversion of monodentate- and bridging-bis(diphenylphosphino)methane platinum, diplatinum, and mercury-platinum acetylides C. Richard Langrick, David M. McEwan, Paul G. Pringle and Bernard L. Shaw, pp 2487 DOI:10.1039/DT9830002487

Crystal structure of the complex cis-oxobis[piperidine N-oxido(1-)-NO]thiomolybdenum(VI), containing a cis-MoOS2+ group Stuart Bristow, David Collison, C. David Garner and William Clegg, pp 2495 DOI:10.1039/DT9830002495

The preparation and characterisation of cationic formyl complexes of ruthenium(II); crystal and molecular structure of the complex trans-bis[1,2-bis(diphenylphosphino)ethane-PP]carbonyl(deuterioformyl)ruthenium(II) hexafluoroantimonate-dichloromethane(1/1) Garry Smith, David J. Cole-Hamilton, Mark Thornton-Pett and Michael B. Hursthouse, pp 2501 DOI:10.1039/DT9830002501

Preparation, crystal structure and attempts to cyclometallate tans-bis(D-camphor oxime-N)dichloropalladium(II) Anthony G. Constable, Walter S. McDonald, Barbara Odell and Bernard L. Shaw, pp 2509 DOI:10.1039/DT9830002509

Equilibrium and structural studies of silicon(IV) and aluminium(III) in aqueous solution. Part 9. A potentiometric study of mono- and poly-nuclear aluminium(III) citrates Lars-Olof Öhman and Staffan Sjöberg, pp 2513 DOI:10.1039/DT9830002513

Orbital levels of crown ethers and related macrocycles studied by ultraviolet photoelectron spectroscopy; relationship to complexation studies A. David Baker, G. Horozoglu Armen and Stephen Funaro, pp 2519 DOI:10.1039/DT9830002519

Notes. Dicopper(II) complexes of an N6O2 macrocycle and seven-co-ordinate manganese(II), iron(II), cobalt(II), nickel(II), copper(II), and zinc(II) complexes of its N5O2 open-chain precursor S. Martin Nelson and C. Victor Knox, pp 2525 DOI:10.1039/DT9830002525

Pb0.77K0.23[Pt(CN)4]·1.5H2O: a new type of partially oxidised tetracyanoplatinate salt Gary S. V. Coles, Allan E. Underhill, Jack M. Williams and Arthur J. Schultz, pp 2529 DOI:10.1039/DT9830002529

Lead tetra-acetate oxidation of metallic copper to Cu2+: an unusual oxidation Abhijit Debroy, Mahinder P. Mahajan, Manabendra N. Bhattacharjee and Mihir K. Chaudhuri, pp 2531 DOI:10.1039/DT9830002531

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX043

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FX045

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300FP053

An electron spin resonance study of the dinitrogen tetroxide radical cation D. N. Ramakrishna Rao and Martyn C. R. Symons, pp 2533 DOI:10.1039/DT9830002533

Syntheses of NN-bis(4-benzo[15-crown-5])diaminoglyoxime and its complexes with copper(II), nickel(II), cobalt(II), cobalt(III), palladium(II), platinum(II), and uranyl(VI) Ahmet Gül and Özer Bekârolu, pp 2537 DOI:10.1039/DT9830002537

Kinetic studies on 1 : 1 electron-transfer reactions involving blue copper proteins. Part 6. Competitive inhibition of the [Co(phen)3]3+(phen = 1,10-phenanthroline) oxidation of parsley plastocyanin PCu(I) by redox-inactive complexes Stephen K. Chapman, Alan D. Watson and A. Geoffrey Sykes, pp 2543 DOI:10.1039/DT9830002543

Kinetic studies on 1 : 1 electron-transfer reactions involving blue copper proteins. Part 7. Effects of pH and redox-inactive [Pt(NH3)6]4+ on reactions of parsley plastocyanin with different inorganic redox partners Stephen K. Chapman, Isao Sanemasa and A. Geoffrey Sykes, pp 2549 DOI:10.1039/DT9830002549

Transition metal-phosphide chemistry: synthesis of [M(-C5H5)2(PR2)2](M = Zr, R = Ph; M = Hf, R = Ph or cyclo-C6H11) and [{M(-C5H5)2(PR2)}2](M = Ti, R = Ph or Me; M = Zr or Hf, R = Me), and their reactions with protic and halogen-containing species Steven R. Wade, Malcolm G. H. Wallbridge and Gerald R. Willey, pp 2555 DOI:10.1039/DT9830002555

Direct synthesis of bis(acetylacetonato)nickel(II) dihydrate and isolation of ,,,-tetra-acetylethane as the oxidation product of acetylacetone Manabendra N. Bhattacharjee, Mihir K. Chaudhuri, Soumitra K. Ghosh, Zavei Hiese and Nirmalendu Roy, pp 2561 DOI:10.1039/DT9830002561

Crystal and molecular structure of the reversible dioxygen adduct of [NN-4-methyl-4-azaheptane-1,7-diylbis(salicylideneiminato)]cobalt(II) Renzo Cini and Pierluigi Orioli, pp 2563 DOI:10.1039/DT9830002563

The synthesis and properties of tris(diphosphine)- and bis(triphosphine)-chromium (III) cations and analogues with arsenic and sulphur donor ligands Annette L. Hale and William Levason, pp 2569 DOI:10.1039/DT9830002569

Diphosphine and diarsine complexes of chromium(III). Crystal and molecular structure of [NPrn4][Cr(cis-Ph2PCHCHPPh2)Cl4] Leslie R. Gray, Annette L. Hale, William Levason, Francis P. McCullough and Michael Webster, pp 2573 DOI:10.1039/DT9830002573

Studies on mixed metal(II)-iron(II) chloride systems. Part 3. Mössbauer and X-ray powder diffraction data on MxFe1 -xCl2·yH2O (M = Mn, Co, or Ni; x= 0.5 or 0.75; y= 4 or 6) Bells Y. Enwiya, Jack Silver and Ian E. G. Morrison, pp 2581 DOI:10.1039/DT9830002581

The synthesis and reactions of some cyclopentadienylpiatinum complexes. Crystal structure of [Pt2{µ-C(Ph)C(Ph)C(O)}(-C5H5)2] Neil M. Boag, Robin J. Goodfellow, Michael Green, Bernd Hessner, Judith A. K. Howard and F. Gordon A. Stone, pp 2585 DOI:10.1039/DT9830002585

Reactions of methyl complexes of iron(II) with Lewis bases Gianfranco Bellachioma, Giuseppe Cardaci and Gustavo Reichenbach, pp 2593 DOI:10.1039/DT9830002593

Replacement of hydrido-ligands in triruthenium complexes by triphenylphosphinegold groups. Crystal structures of [AuRu3(µ-COMe)(CO)10(PPh3)], [AuRu3(µ-H)2(µ3-COMe)(CO)9(PPh3)], and [Au3Ru3(µ3-COMe)(CO)9(PPh3)3] Lawrence W. Batsman, Michael Green, Kevin A. Mead, Rona M. Mills, Ian D. Salter, F. Gordon A. Stone and Peter Woodward, pp 2599 DOI:10.1039/DT9830002599

Kinetics of the base decomposition of dodecatungstophosphate(3-) in weakly alkaline solutions James H. Kyle, pp 2609 DOI:10.1039/DT9830002609

Amidino-complexes of rhenium. Bidentate NN- and ortho-metallated derivatives J. Andrew Clark and Melvyn Kilner, pp 2613 DOI:10.1039/DT9830002613

Infrared and electronic spectra of matrix isolated chalcogenide halides of tungsten(VI), WYX4(Y = S or Se; X = F, Cl, or Br) Peter J. Jones, William Levason, J. Steven Ogden, Jeremy W. Turff, Elizabeth M. Page and David A. Rice, pp 2625 DOI:10.1039/DT9830002625

Tertiary phosphine adducts of manganese(II) dialkyls. Part 2. Synthesis, properties, and structures of monomeric complexes Christopher G. Howard, Gregory S. Girolami, Geoffrey Wilkinson, Mark Thornton-Pett and Michael B. Hursthouse, pp 2631 DOI:10.1039/DT9830002631

Multinuclear (1H, 27Al, and 35Cl) nuclear magnetic resonance studies of solutions of aluminium salts in methanol, aqueous methanol, and aqueous acetone J. W. Akitt, Robert H. Duncan and Christine Setchell, pp 2639 DOI:10.1039/DT9830002639

Reaction of [Os5(CO)19] with acetylenes: the X-ray crystal structure of [Os5(CO)17(HCCH)] Brian F. G. Johnson, Jack Lewis, Paul R. Raithby and Maria J. Rosales, pp 2645 DOI:10.1039/DT9830002645

Organoimido-complexes of tungsten-(VI)-(V), and -(IV) : crystal and molecular structures of [W(NPh)Cl3(PPh3)2] and [W(NPh)Cl2(PMe3)3] Donald C. Bradley, Michael B. Hursthouse, K. M. Abdul Malik, Alastair J. Nielson and Richard L. Short, pp 2651 DOI:10.1039/DT9830002651

Standard enthalpies of formation of diamine(dicarboxylato)platinum(II) complexes and of bis(pentane-2,4-dionato)platinum(II): the mean Pt-O bond dissociation enthalpies Ghassan Al-Takhin, Geoffrey Pitcher, James Bickerton and Ahmed A. Zaki, pp 2657 DOI:10.1039/DT9830002657

Organic chemistry of binuclear metal centres. Part 6. µ-Vinylidene and µ-ethylidyne diruthenium complexes: crystal structures of cis-[Ru2(CO)2(µ-CO)(µ-CCH2)(-C5H5)2] and cis-[Ru2(CO)2(µ-CO)(µ-CMe)(-C5H5)2][BF4] Robert E. Colborn, David L. Davies, Andrew F. Dyke, Andreas Endesfelder, Selby A. R. Knox, A. Guy Orpen and Dietrich Plaas, pp 2661 DOI:10.1039/DT9830002661

Cyanide ion as a four-electron donating bridging ligand in a dimanganese compound Helen C. Aspinall, Antony J. Deeming and Susan Donovan-Mtunzi, pp 2669 DOI:10.1039/DT9830002669

The accommodation of oxygen clusters in hyperstoicheiometric uranium dioxide and its effects on crystal structure Geoffrey C. Allen and Paul A. Tempest, pp 2673 DOI:10.1039/DT9830002673

Salt and medium effects in the oxidation of iodide by hexacyanoferrate(III) Pilar Perez Tejeda, Julian Rodriguez Velasco and Francisco Sanchez Burgos, pp 2679 DOI:10.1039/DT9830002679

Notes. Studies on the solubility of 2,2-bipyridyl,1,10-phenanthroline, and their tris iron(II) perchlorates in methanol-water mixtures, and the determination of the medium effect of ions Dipak Sengupta, Amalendu Pal and Sujit C. Lahiri, pp 2685 DOI:10.1039/DT9830002685

Structural characterization of a binuclear tin adduct: µ-oxalato-bis[nitratodiphenyl(triphenylarsine oxide)tin(IV)] Corrado Pelizzi, Giancarlo Pelizzi and Pieralberto Tarasconi, pp 2689 DOI:10.1039/DT9830002689

A comment on the crystal structure and electronic properties of bis(2,9-dimethyl-1,10-phenanthroline)nitratocopper(II) trichloroacetate trichloroacetic acid Suresh Tyagi and Brian J. Hathaway, pp 2693 DOI:10.1039/DT9830002693

Electron spin resonance studies on bis(chloroalkoxy)bis(-cyclopentadienyl)vanadium(IV) complexes Sylviane Sabo, Robert Choukroun and Danièle Gervais, pp 2695 DOI:10.1039/DT9830002695

Infrared and ultraviolet-visible spectroscopic studies on manganese heptoxide (Mn2O7) William Levason, J. Steven Ogden and Jeremy W. Turff, pp 2699 DOI:10.1039/DT9830002699

Additions and corrections Peter G. Nelson and Richard V. Pearse, pp 2703 DOI:10.1039/DT9830002703

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98300BX047