1982 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP001

Kinetic studies on the closure of a chelate ring in [(2-dimethylaminoethyl)dimethylammonium]- and [(3-dimethylaminopropyl)dimethylammonium]-trichloroplatinum(II) complexes Giuliano Annibale, Luciana Maresca, Lucio Cattalini and Giovanni Natile, pp 1 DOI:10.1039/DT9820000001

The copper-catalysed oxidation of ascorbic acid by dioxygen. Part 4. The effect of chloride ions on the kinetics and mechanism Reginald F. Jameson and Ninian J. Blackburn, pp 9 DOI:10.1039/DT9820000009

Structural studies of mercury(II) halide pyridine complexes [HgX2(py)2], X = Cl, Br, or I Allan J. Canty, Colin L. Raston, Brian W. Skelton and Allan H. White, pp 15 DOI:10.1039/DT9820000015

New amide complexes of uranium(IV) thiocyanate; the crystal structure of tetraisothiocyanatotris(NN,2-trimethylpropionamide-O)uranium(IV) Kenneth W. Bagnall, Li Xing-fu, Gabriella Bombieri and Franco Benetollo, pp 19 DOI:10.1039/DT9820000019

Actinide structural studies. Part 1. Crystal and molecular structures of dinitratodioxobis(triphenylphosphine oxide)neptunium(VI), dinitratodioxobis(triphenylphosphine oxide)uranium(VI), and dichlorodioxo-(triphenylphosphine oxide)neptunium(VI) Nathaniel W. Alcock, Michael M. Roberts and David Brown, pp 25 DOI:10.1039/DT9820000025

Actinide structural studies. Part 2. Crystal and molecular structures of rubidium tris(nitrato)dioxoneptunate(1-) and sodium tris(acetato)dioxoneptunate(1-) Nathaniel W. Alcock, Michael M. Roberts and David Brown, pp 33 DOI:10.1039/DT9820000033

Reactions involving transition metals. Part 13. Reaction of hydroperoxides with complexes of the type trans-[IrX(CO)L2](X = halogen, L = phosphine or arsine) Brian L. Booth, Robert N. Haszeldine and Geoffrey R. H. Neuss, pp 37 DOI:10.1039/DT9820000037

Synthesis and fluxional character of complexes of the type [Fe3H(CO)10(µ-CNR2)] and [Fe3H(CO)9(µ3-CHNR)] James A. S. Howell and Pradeep Mathur, pp 43 DOI:10.1039/DT9820000043

The chemistry of heteroarylphosphorus compounds. Part 15. Phosphorus-31 nuclear magnetic resonance studies of the donor properties of heteroarylphosphines towards selenium and platinum(II) David W. Allen and Brian F. Taylor, pp 51 DOI:10.1039/DT9820000051

Ternary co-ordination complexes of copper(II) with L-histidine and some selected amino-acids Madhavan Sivasankaran Nair, Kora Venkatachalapathi, Muchi Santappa and Puliampatti K. Murugan, pp 55 DOI:10.1039/DT9820000055

Co-ordinating tendencies of a 14-membered tetra-aza macrocycle which forms a seven-membered chelate ring Mauro Micheloni, Piero Paoletti, Antonio Poggi and Luigi Fabbrizzi, pp 61 DOI:10.1039/DT9820000061

Kinetic studies of the reactions of hexachlorocyclotriphosphazene and octachlorocyclotetraphosphazene with t-butylamine Setharampattu S. Krishnamurthy and Ponnuswamy M. Sundaram, pp 67 DOI:10.1039/DT9820000067

Pentamethylcyclopentadienyl-rhodium and -iridium complexes. Part 34. Preparation and X-ray structure of the polyiodo-compound [{Ir(C5Me5)}2I6] and related species Andrés Millan, Pamela M. Bailey and Peter M. Maitlis, pp 73 DOI:10.1039/DT9820000073

Preparation and reactions of nitrosyl complexes of molybdenum and tungsten; X-ray structure of trans-[Mo(OH)(NO)(Ph2PCH2CH2PPh2)2]·2C4H8O Chi Tat Kan, Peter B. Hitchcock and Raymond L. Richards, pp 79 DOI:10.1039/DT9820000079

Molecular structures and bonding of -cyclopentadienyl(substituted diene)cobalt complexes Yasuo Wakatsuki, Katsuyuki Aoki and Hiroshi Yamazaki, pp 89 DOI:10.1039/DT9820000089

Kinetics of axial ligand exchange in ruthenium(II) tetraphenylporphyrin complexes Clive E. Holloway, Dennis V. Stynes and Carol P. J. Vuik, pp 95 DOI:10.1039/DT9820000095

Spectroscopic studies of metal complexes containing -delocalized sulphur ligands. The resonance-Raman spectra of the antitumor agent [Cu(kts)] and the related cation [Cu(H2kts)]2+ Lucia Tosi and Arlette Garnier-Suillerot, pp 103 DOI:10.1039/DT9820000103

Water-soluble cobalt(II) complexes of NN-substituted bis(salicylaldimine-5-sulphonic acids). Oxygen-carrying properties and conversion into cobalt(III) organometallic compounds Kevin J. Berry, Francisco Moya, Keith S. Murray, Adrian M. B. van den Bergen and Bruce O. West, pp 109 DOI:10.1039/DT9820000109

Carbon-13 nuclear magnetic resonance studies of organotellurium compounds Raj K. Chadha and Jack M. Miller, pp 117 DOI:10.1039/DT9820000117

Synthesis, spectroscopy, and X-ray crystallographic analysis of (3-dithiobenzoato-SCS)oxo(trithioperoxybenzoato-S,SS)molybdenum(IV) and µ-oxo-bis[bis(dithiobenzoato-SS)oxomolybdenum(V)] Masahiro Tatsumisago, Gen-etsu Matsubayashi, Toshio Tanaka, Satoshi Nishigaki and Kazumi Nakatsu, pp 121 DOI:10.1039/DT9820000121

Steric influences of phosphorus-donor ligands on the structure and ligand-exchange rates of cobaloximes Nevenka Bresciani-Pahor, Lucio Randaccio, Paul G. Toscano, Alan C. Sandercock and Luigi G. Marzilli, pp 129 DOI:10.1039/DT9820000129

A carbon-13 nuclear magnetic resonance study of thiol-exchange reactions of gold(I) thiomalate (Myocrisin) including applications to cysteine derivatives Anvarhusein A. Isab and Peter J. Sadler, pp 135 DOI:10.1039/DT9820000135

The preparation and properties of [Cu(chelate)X2] complexes. Crystal structure and electronic properties of [bis(2-pyridyl)amine]dibromocopper(II) Noel Ray, Suresh Tyagi and Brian Hathaway, pp 143 DOI:10.1039/DT9820000143

Dimolybdenum complexes derived from cyclo-octatetraene. Crystal and molecular structures of [Mo2(CO)2(-C5H5)2(C8H8)](two isomers) and of [Mo2(CO)4(-C5H5)2(3,3-C16H16)] Richard Goddard, Selby A. R. Knox, Robert F. D. Stansfield, F. Gordon A. Stone, Mark J. Winter and Peter Woodward, pp 147 DOI:10.1039/DT9820000147

Dimolybdenum complexes derived from cyclo-octa-1,5-diene and penta-1,3-diene. Crystal and molecular structure of [Mo2(CO)3(µ-C8H10)(-C5H5)2] Malcolm Griffiths, Selby A. R. Knox, Robert F. D. Stansfield, F. Gordon A. Stone, Mark J. Winter and Peter Woodward, pp 159 DOI:10.1039/DT9820000159

Reactions of cyclic 1,3-dienes with ethyne co-ordinated at a dimetal centre. Crystal structure of [Mo2(CO)2(µ-2,2-C10H10)(-C5H5)2] Selby A. R. Knox, Robert F. D. Stansfield, F. Gordon A. Stone, Mark J. Winter and Peter Woodward, pp 167 DOI:10.1039/DT9820000167

The sequential linking of alkynes at dichromium and dimolybdenum centres; X-ray crystal structure of [Cr2(CO)(µ-C4Ph4)(-C5H5)2] Selby A. R. Knox, Robert F. D. Stansfield, F. Gordon A. Stone, Mark J. Winter and Peter Woodward, pp 173 DOI:10.1039/DT9820000173

The sequential linking of alkynes at a dimolybdenum centre. Crystal structures of [Mo2{µ-(MeO2CC2CO2Me)(HC2H)(MeO2CC2CO2Me)2}(-C5H5)2]·2CH2Cl2 and [Mo2{µ-(MeO2CC2CO2Me)4}(-C5H5)2] Alison M. Boileau, A. Guy Orpen, Robert F. D. Stansfield and Peter Woodward, pp 187 DOI:10.1039/DT9820000187

Dimolybdenum complexes containing bridging silyl-substituted acetylenes: crystal and molecular structure of [Mo2(CO)4(µ-Me3SiC2SiMe3)(-C5H5)2] Jane A. Beck, Selby A. R. Knox, Robert F. D. Stansfield, F. Gordon A. Stone, Mark J. Winter and Peter Woodward, pp 195 DOI:10.1039/DT9820000195

The photoelectron spectra of enneacarbonyl-µ3-methylidyne-tricobalt and some derivatives Newton C. V. Costa, D. Robert Lloyd, Paul Brint, William K. Pelin and Trevor R. Spalding, pp 201 DOI:10.1039/DT9820000201

Crystal and molecular structures of two complexes of diphenyl(2-pyridyl)phosphine (L): [AuClL] and [Ag2Cl2L3] Nathaniel W. Alcock, Peter Moore, Paul A. Lampe and K. F. Mok, pp 207 DOI:10.1039/DT9820000207

Crystal and molecular structures of disilyl sulphide (at 120 K) and of disilyl selenide (at 125 K) and comparison with crystalline disilyl oxide Michael J. Barrow and E. A. V. Ebsworth, pp 211 DOI:10.1039/DT9820000211

Rate of reaction of hydrogen with liquid caesium: recalculated rates for lithium and for potassium Sally E. Hill and Richard J. Pulham, pp 217 DOI:10.1039/DT9820000217

Notes. Crystal structure of bis(diphenylmethyleneamino) monosulphide, S(NCPh2)2 Marie-Therese Averbuch-Pouchot, André Durif, Arthur J. Banister, James A. Durrant and Joan Halfpenny, pp 221 DOI:10.1039/DT9820000221

An improved synthesis of 1,2,3-triaminopropane: X-ray structure of s-fac-bis(1,2,3-triaminopropane)cobalt(III) chloride Kim Henrick, Mary McPartlin, Shelley Munjoma, Philip G. Owston, Roger Peters, Samuel A. Sangokoya and Peter A. Tasker, pp 225 DOI:10.1039/DT9820000225

Mössbauer spectroscopic study of the -carotene-iodine system Tomochika Matsuyama, Hiroshi Sakai, Hitoshi Yamaoka and Yutaka Maeda, pp 229 DOI:10.1039/DT9820000229

Crystal and molecular structures of [Os3(CO)11(NCMe)] and [Os3(CO)10(NCMe)2] Peter A. Dawson, Brian F. G. Johnson, Jack Lewis, José Puga, Paul R. Raithby and Maria J. Rosales, pp 233 DOI:10.1039/DT9820000233

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX003

Issue 2

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP005

The OsO4-catalysed decomposition of hydrogen peroxide László J. Csányi, Zoltán M. Galbács and László Nagy, pp 237 DOI:10.1039/DT9820000237

Crystal structure of fluoro(2,3,7,8,12,13,17,18-octaethylporphyrinato)-oxoniobium; demonstration of the presence of six-co-ordinated niobium Claude Lecomte, Jean Protas, Philippe Richard, Jean Michel Barbe and Roger Guilard, pp 247 DOI:10.1039/DT9820000247

Secondary bonding. Part 7. Crystal and molecular structures of diphenyltellurium dichloride and phenyltellurium trichloride Nathaniel W. Alcock and W. David Harrison, pp 251 DOI:10.1039/DT9820000251

Oxygen-17 nuclear magnetic resonance spectra of mononuclear manganese and dinuclear Group 6 metal carbonyl complexes Satoru Onaka, Tadashi Sugawara, Yuzo Kawada and Hiizu Iwamura, pp 257 DOI:10.1039/DT9820000257

Reactions of [Os3(µ-H)2(CO)10] with diazo-compounds: structural characterization of [Os3(µ-H)(CO)10(µ-NHNCPh2)] and [Os3(µ-H)(CO)10(µ-NHNCPhMe)] Kevin Burgess, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 263 DOI:10.1039/DT9820000263

Ligation studies of titanium-phenoxide and -dimethylamide derivatives with covalent metal halides: a route to binuclear transition-metal complexes Steven R. Wade, Malcolm G. H. Wallbridge and Gerald R. Willey, pp 271 DOI:10.1039/DT9820000271

Influence of metal to di-imine -backbonding on the resonance-Raman spectra of [M(CO)4L], fac-[Re(CO)3LCl], and [Ru(CO)3L] complexes (M = Mo or W; L = di-imine) Roelof W. Balk, Derk J. Stufkens and Ad Oskam, pp 275 DOI:10.1039/DT9820000275

The formation, structure, and reversible carbonylation of [(5-C5H5)MM(CO)7(SR)] complexes; reactions of [(5-C5H5)MM(CO)8(SR)] with hexafluorobut-2-yne Jacques E. Guerchais, Jean L. LeQuèré, Francois Y. Pètillon, Ljubica Manojlovi-Muir, Kenneth W. Muir and David W. A. Sharp, pp 283 DOI:10.1039/DT9820000283

Binary and ternary complexes of chromium(III) involving iminodiacetic acid, L(+)-aspartic acid, L(+)-glutamic acid, or L(+)-cysteine as ligands Kora Venkatachalapathi, Madhavan Sivasankaran Nair, Duraiswamy Ramaswamy and Muchi Santappa, pp 291 DOI:10.1039/DT9820000291

The di-µ-bis(diphenylphosphino)methane-µ-hydrido-bis[methylplatinum(II)] cation: synthesis, molecular structure, and chemical properties Michael P. Brown, Susan J. Cooper, Aileen A. Frew, Ljubica Manojlovi-Muir, Kenneth W. Muir, Richard J. Puddephatt and Mary A. Thomson, pp 299 DOI:10.1039/DT9820000299

Crystal and molecular structures of some binuclear complexes of cobalt(II) and nickel(II) acetylacetonates with pyridines and piperidine and a refinement of the crystal and molecular structure of hexakis-(acetylacetonato)trinickel(II) Michael B. Hursthouse, Moira A. Laffey, Peter T. Moore, Douglas B. New, Paul R. Raithby and Peter Thornton, pp 307 DOI:10.1039/DT9820000307

Synthesis and magnetic properties of binuclear complexes of unidentate ligands with acetylacetonates of bivalent manganese, cobalt, and nickel Moira A. Laffey and Peter Thornton, pp 313 DOI:10.1039/DT9820000313

Reactions of co-ordinated ligands. Part 26. The reaction of ethylene and acetylene with tri-µ-carbonyl-tris(5-indenyl)-triangulo-trirhodium; the formation and molecular structure of the bridged vinylalkylidene complex [Rh2(µ-CCH2)(CO)2(5-C9H7)2], and its protolysis to form a bridged cationic vinyl complex Yassin N. Al-Obaidi, Michael Green, Nicholas D. White and Graham E. Taylor, pp 319 DOI:10.1039/DT9820000319

Alkali and alkaline-earth metal complexes of 4-acetobenzo-crown ethers. Crystal and molecular structure of (18-acetyl-2,3,5,6,8,9,11,12,14,15-decahydro-1,4,7,10,13,16-benzohexaoxacyclo-octadecin)diperchloratostrontium David E. Fenton, Donald Parkin, Roger F. Newton, Ian W. Nowell and Philip E. Walker, pp 327 DOI:10.1039/DT9820000327

Study of reactions between alkyl(pyridine)cobaloximes and trifluoroacetic acid; formation and crystal structure of cis-bis(butane-2,3 dione dioxime)bis(trifluoroacetoxy)cobalt(II) Nathaniel W. Alcock, Martin P. Atkins, Bernard T. Golding and Philip J. Sellars, pp 337 DOI:10.1039/DT9820000337

Hydrazido(2-)-complexes of tungsten-(V) and -(VI) and a bis(diazenido)-complex of tungsten(IV). X-Ray crystal structure of cis-[WCl3(NNH2)(PMe2Ph)2] Joseph Chatt, Martin E. Fakley, Peter B. Hitchcock, Raymond L. Richards and N. Tûyet Luong-Thi, pp 345 DOI:10.1039/DT9820000345

Studies of some ternary complexes of copper(II) involving -bonding ligands. Part 2 K. Gopalakrishnan and Pabitra K. Bhattacharya, pp 353 DOI:10.1039/DT9820000353

Studies on binuclear copper(II) complexes involving co-ordination of (quadridentate Schiff base)copper(II) with (tertiary diamine)copper(II) Kalpana V. Patel and Pabitra K. Bhattacharya, pp 359 DOI:10.1039/DT9820000359

An electron spin resonance study of the molecular oxygen adducts formed by the cobalt(II) chelate of salicylaldazine and related systems Thomas D. Smith, Ivan M. Ruzic, Selwyn Tirant and John R. Pilbrow, pp 363 DOI:10.1039/DT9820000363

An electron spin resonance study of the molecular oxygen adducts of the apomyoglobin complexes of cobalt(II) protoporphyrin IX and cobalt-(II) 3,10,17,24-tetrasulphonated phthalocyanine Ivan M. Ruzic, Thomas D. Smith and John R. Pilbrow, pp 373 DOI:10.1039/DT9820000373

Studies on transition-metal-peptide complexes. Part 6. Influence of side-chain donor group on the equilibrium and thermodynamics of binary and ternary copper(II)-dipeptide complexes Arthur Gergely and Etelka Farkas, pp 381 DOI:10.1039/DT9820000381

Further studies on the interconversion of large ring and cyclometallated complexes of rhodium, with the diphosphines But2P(CH2)5PBut2 and But2PCH2CHCHCH2PBut2 Christopher Crocker, R. John Errington, Richard Markham, Christopher J. Moulton and Bernard L. Shaw, pp 387 DOI:10.1039/DT9820000387

Co-ordination chemistry of sulphines. Part 5. -S and 3-SCS co-ordination of sulphines to rhodium(I). Fluxional behaviour of [RhICl(PR3)(XYCSO)](R = alkyl; X, Y = aryl, S-aryl, S-alkyl, or Cl) complexes and influence of sulphine geometry on the formation of [RhICl(PR3)2(XYCSO)] Johan W. Gosselink, Anja M. F. Brouwers, Gerard van Koten and Kees Vrieze, pp 397 DOI:10.1039/DT9820000397

Metal-ion controlled reactions of 2,6-diacetylpyridine with 1,2-di-aminoethane and 2,6-diformylpyridine with o-phenylenediamine and the crystal and molecular structure of a pentagonal pyramidal cadmium(II) complex containing unidentate o-phenylenediamine S. Martin Nelson, Ferida S. Esho and Michael G. B. Drew, pp 407 DOI:10.1039/DT9820000407

A kinetic study of the reactions of methyl- and acetyl-pentacarbonylmanganese with acetylenes Brian L. Booth and Erik J. R. Lewis, pp 417 DOI:10.1039/DT9820000417

Kinetics and mechanism of the oxidation of L-ascorbic acid by tris(oxalato)cobaltate(III) and tris(1,10-phenanthroline)iron(III) complexes in aqueous solution Masaru Kimura, Miwako Yamamoto (née Tsuruta) and Shinichi Yamabe, pp 423 DOI:10.1039/DT9820000423

Nitrosyl complexes of molybdenum and tungsten. Part 15. Iodo(monoalkylamido)nitrosyl[tris(3,5-dimethylpyrazolyl)borato]molybdenum complexes, some related tungsten compounds, and the crystal and molecular structure of ethylamido(iodo)nitrosyl[tris(3,5-dimethyl-pyrazolyl) borato]molybdenum Jon A. McCleverty, A. Elizabeth Rae, Iwona Woochowicz, Neil A. Bailey and John M. A. Smith, pp 429 DOI:10.1039/DT9820000429

Synthesis and spectroscopic studies of inorganic tin derivatives of amino-acids and their esters Paul A. Cusack, Peter J. Smith and John D. Donaldson, pp 439 DOI:10.1039/DT9820000439

Polymer-supported complexes. Part 2. Polystyrene-anchored pentane- 2,4-dionato-complexes of transition metals: synthesis, reactions, and catalytic properties Sumit Bhaduri, Hanif Khwaja and Vinod Khanwalkar, pp 445 DOI:10.1039/DT9820000445

Preparation and crystal structure of carbonyltris(diethyldithiocarbamato) technetium(III) : an unexpected source of co-ordinated carbon monoxide John Baldas, John Bonnyman, Peter M. Pojer, Geoffrey A. Williams and Maureen F. Mackay, pp 451 DOI:10.1039/DT9820000451

Transition metal-carbon bonds. Part 51. Action of amines on buta-1,3-diene complexes of type cis,cis-[Pt2Cl4(PR3)2(µ-C4H6)] : crystal structures of [ Pt2Cl4(PMe2Ph)2(µ-C4H6)](meso isomer) and [(Et3P)ClPt(Me2NCH2CHCHCH2NMe2)PtCl(PEt3)](two trans-fused five-membered rings) John R. Briggs, Christopher Crocker, Walter S. McDonald and Bernard L. Shaw, pp 457 DOI:10.1039/DT9820000457

Behaviour of some organophosphorus(V) compounds in strongly acidic solvents. Part 2. Ph2P(O)OH, Ph2P(O)Cl, Ph3PO, Ph3PS, and MeP(O)-Cl2 Keith B. Dillon, Martin P. Nisbet and (the late) Thomas C. Waddington, pp 465 DOI:10.1039/DT9820000465

Reduction-oxidation properties of organotransition-metal complexes. Part 13. Cationic iron(II) carbonyls via the radical coupling, and substitution reactions of [Fe(CO)3(PPh3)2]+ : synthetic and electron spin resonance spectroscopic studies Paul K. Baker, Karen Broadley and Neil G. Connelly, pp 471 DOI:10.1039/DT9820000471

Notes. Further comments on one-electron oxidation versus nitrosyl complex formation during the reactions of the nitrosyl cation with metal carbonyl derivativest Paul K. Ashford, Paul K. Baker, Neil G. Connelly, Raymond L. Kelly and Valerie A. Woodley, pp 477 DOI:10.1039/DT9820000477

A fluxional arachno-1 -metallapentaborane, [1,1,1 -(CO)(PMe3)2(1-IrB4H9)] Jonathan Bould, Norman N. Greenwood and John D. Kennedy, pp 481 DOI:10.1039/DT9820000481

Formation constants of complexes of tyrosine Leslie D. Pettit and John L. M. Swash, pp 485 DOI:10.1039/DT9820000485

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX007

Issue 3

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP011

Polymeric thiolate complexes in solution. Stability constants of the zinc(II) complexes of 1-methyl-4-mercaptopiperidine Joan Carles Bayón and Pilar González-Duarte, pp 487 DOI:10.1039/DT9820000487

Aspects of the inorganic chemistry of rubber vulcanisation. Part 3. Anionic cadmium complexes derived from dialkyldithiocarbamates, 2-mercaptobenzothiazole and its derivatives, and dialkyl dithiophosphates, and the crystal and molecular structures of [NBun4][Cd(S2CNEt2)3], [NEt4][Cd(C7H4NS2)3], and [NMe4][Cd{S2P(OPri)2}3] Jon A. McCleverty, Stephen Gill, Rick S. Z. Kowalski, Neil A. Bailey, Harry Adams, Keith W. Lumbard and Michael A. Murphy, pp 493 DOI:10.1039/DT9820000493

Matrix-isolation studies on molecular K2CrO4, K2MoO4, and K2WO4 Ian R. Beattie, J. Steven Ogden and David D. Price, pp 505 DOI:10.1039/DT9820000505

Reactions involving transition metals. Part 14. The preparation of novel alkyl peroxy(carboxylato)iridium(III) complexes Brian L. Booth, Robert N. Haszeldine and Geoffrey R. H. Neuss, pp 511 DOI:10.1039/DT9820000511

Reactions involving transition metals. Part 15. Reactions of alkyl- and acyl-peroxy-anions with [M(CO)(MeCN)(PPh3)2]+(M = Ir or Rh) Christopher Bird, Brian L. Booth and Robert N. Haszeldine, pp 517 DOI:10.1039/DT9820000517

Reactions involving transition metals. Part 16. Rhodium, iridium, platinum, and gold complexes containing the bis(trifluoromethyl)amino-oxy-ligand Brian L. Booth, Robert N. Haszeldine and Robert G. G. Holmes, pp 523 DOI:10.1039/DT9820000523

Structural and mechanistic studies of co-ordination compounds. Part 32. Different photochemical pathways of some trans-dihalogenobis(ethylenediamine)ruthenium(III) cations: ligand-field versus ligand-to-metal charge-transfer excited states Chung-Kwong Poon, Tai-Chu Lau and Chi-Ming Che, pp 531 DOI:10.1039/DT9820000531

Reactions of nickel(II) complexes containing arsine ligands with electron-deficient olefins. Dianionic and neutral olefin ligands in nickel(II) and nickel(III) complexes Brian L. Booth, Charles A. McAuliffe and Grahame L. Stanley, pp 535 DOI:10.1039/DT9820000535

Synthesis, reactions, and crystal structures of carbonyl-free hydride-bridged mixed organotransition metal derivatives of bis(phosphine)-rhodium(III) or -iridium(III) cations with dihydridobis(5-cyclopentadienyl)-molybdenum and tungsten Oliver W. Howarth, Colin H. McAteer, Peter Moore, George E. Morris and Nathaniel W. Alcock, pp 541 DOI:10.1039/DT9820000541

Silver(I) catalyzed oxidation of water with cerium(IV) in aqueous perchloric acid solutions and the reaction of cerium(IV) with silver(I) in the presence of bipyridyl Akshya K. Indrayan, Som K. Mishra and Yugul K. Gupta, pp 549 DOI:10.1039/DT9820000549

Equilibrium studies of binary and mixed-ligand complexes of zinc(II) involving imidazole, histamine, and L-histidine as ligands Madhavan Sivasankaran Nair, Kora Venkatachalapathi and Muchi Santappa, pp 555 DOI:10.1039/DT9820000555

Effect of copper(II) ternary complex formation on the co-ordination behaviour of dipeptides in aqueous solution Madhavan Sivasankaran Nair, pp 561 DOI:10.1039/DT9820000561

Distortions induced by electronic and steric properties of axial ligands in pseudo-octahedral cobaloximes. Crystal and molecular structures of trans-bis(dimethylglyoximato)n-pentyl(triphenylphosphine)cobalt(III) and trans-aquabis(dimethylglyoximato)n-pentylcobalt(III) Nevenka Bresciani-Pahor, Lucio Randaccio, Paul J. Toscano and Luigi G. Marzilli, pp 567 DOI:10.1039/DT9820000567

Kinetics and mechanism of the oxidation of hydroxylamine by iodine Gyula Rábai and Mihály T. Beck, pp 573 DOI:10.1039/DT9820000573

Kinetics of ligand substitution in bis(N-t-butylsalicylideneiminato)copper(II): aprotic organic solvents as media Horst Elias, Uwe Fröhn, Gabriele Giegerich, Monika Stenger and Klaus J. Wannowius, pp 577 DOI:10.1039/DT9820000577

Nuclear magnetic resonance study of pyramidal inversion and intramolecular rearrangements in complexes of trimethylplatinum(IV) halides with aliphatic and aromatic mixed thio-seleno-ethers Edward W. Abel, Suresh K. Bhargava, Kenneth Kite, Keith G. Orrell, Vladimir ik and Bruce L. Williams, pp 583 DOI:10.1039/DT9820000583

Deviations from ideal trigonal-bipyramidal geometry in the [HgCl5]3- anion: crystal structures of two complex salts William Clegg, pp 593 DOI:10.1039/DT9820000593

Group 3 tetrahydroborates. Part 4. The molecular structure of hydridogallium bis(tetrahydroborate) in the gas phase as determined by electron diffraction Michael T. Barlow, C. John Dain, Anthony J. Downs, Graham S. Laurenson and David W. H. Rankin, pp 597 DOI:10.1039/DT9820000597

The products of Friedel-Crafts acetylation of tricarbonyl(cyclo-octatetraene)chromium Paul Hackett, Brian F. G. Johnson and Jack Lewis, pp 603 DOI:10.1039/DT9820000603

Mercury(II) selenolates. Crystal structures of polymeric Hg(SeMe)2 and the tetrameric pyridinates [{HgCl(py)(SeEt)}4] and [{HgCl(py)0.5(SeBut)}4] Alan P. Arnold, Allan J. Canty, Brian W. Skelton and Allan H. White, pp 607 DOI:10.1039/DT9820000607

Chemistry of ruthenium. Part 4. trans-Dihalogeno(isonitrosoketone)(isonitrosoketonato)ruthenium(III). Structure and stability, electron spin resonance, electron transfer, and proton transfer Akhil Ranjan Chakravarty and Animesh Chakravorty, pp 615 DOI:10.1039/DT9820000615

Dimeric copper(II) compounds with a tripodal imidazole-containing ligand and bridged by imidazolate, benzimidazolate, and benzotriazolate ions. Crystal and molecular structure of µ-(benzotriazolato-N1,N3)bis{[tris(N1-methylbenzimidazol-2-ylmethyl)amine-N,N3,N3,N3]copper(II)} trinitrate Hugo M. J. Hendriks, Paul J. M. W. L. Birker, Gerrit C. Verschoor and Jan Reedijk, pp 623 DOI:10.1039/DT9820000623

Bis(cyclopentadienyls) with transition metal-mercury bonds. Part 4. Formation of niobium-mercury bonds and X-ray crystal structure of [Nb(-C5H5)2{HgS2CN(C2H5)2}3] René Kergoat, Marek M. Kubicki, Jacques E. Guerchais, Nicholas C. Norman and A. Guy Orpen, pp 633 DOI:10.1039/DT9820000633

Structural studies in metal-purpurate complexes. Part 9. Crystal structure of bis(purpurato)copper(II)octahydrate Sydney R. Hall, Brian W. Skelton, Allan H. White and Anthony C. Willis, pp 639 DOI:10.1039/DT9820000639

New carbide clusters in the cobalt sub-group. Part 9. Preparation and crystallographic characterization of dicarbidododeca-µ-carbonyldodecacarbonyl-polyhedro-tridecacobaltate(4-) as its tetrakis(benzyltrimethylammonium) salt [N(CH2Ph)Me3]4[Co13C2(CO)24]·Me2CO Vincenzo G. Albano, Dario Braga, (the late) Paolo Chini, Gianfranco Ciani and Secondo Martinengo, pp 645 DOI:10.1039/DT9820000645

Chromyl carbonyl. Synthesis of [CrO2(CO)2] in low-temperature matrices Martyn Poliakoff, Kenneth P. Smith, James J. Turner and Alan J. Wilkinson, pp 651 DOI:10.1039/DT9820000651

Notes. Kinetics and mechanism of the oxidation of ruthenium(II) ammines by tetra-ammine(oxalato)- and penta-ammine(hydrogenoxalato)-cobalt(III) complexes J. Folorunso Ojo, A. Olanrewaju Ojudun and Olusegun A. Olubuyide, pp 659 DOI:10.1039/DT9820000659

Synthesis and X-ray crystal structure of ab-dimethyl-df-dinitro-ce-bis(triethylphosphine)platinum(IV) A. Robert Middleton, Geoffrey Wilkinson, Michael B. Hursthouse and Nigel P. Walker, pp 663 DOI:10.1039/DT9820000663

Synthesis of the compounds [Hg{PPh2[M(CO)5]}2](M = Cr, Mo, or W) Paul Peringer and Johann Eichbichler, pp 667 DOI:10.1039/DT9820000667

Direct synthesis of tris(acetylacetonato)manganese(III) Manabendra N. Bhattacharjee, Mihir K. Chaudhuri and Darlando T. Khathing, pp 669 DOI:10.1039/DT9820000669

Some oxidative-addition reactions of the diradical, perfluoro-NN-dimethylethane-1,2-bis(amino-oxyl), CF3N(O)CF2CF2N(O)CF3, with iridium(I) and platinum(0) complexes Brian L. Booth, Robert N. Haszeldine and Robert G. G. Holmes, pp 671 DOI:10.1039/DT9820000671

Reinvestigation of the reactions of carbonylhydridotris(phosphine) complexes of rhodium and iridium with sulphur dioxide Linda K. Bell and D. Michael P. Mingos, pp 673 DOI:10.1039/DT9820000673

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX011

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP015

Arylazo-oximates of ortho-palladated azobenzenes: synthesis, isomerism, and redox behaviour Pinaki Bandyopadhyay, Pradip K. Mascharak and Animesh Chakravorty, pp 675 DOI:10.1039/DT9820000675

Properties and X-ray crystal structures of copper(II) mixed complexes with thiodiacetate and 2,2-bipyridyl or 2,2:62-terpyridyl Raffaele P. Bonomo, Enrico Rizzarelli, Nevenka Bresciani-Pahor and Giorgio Nardin, pp 681 DOI:10.1039/DT9820000681

Cyclopentadienyl-ruthenium and -osmium chemistry. Part 18. Oxidative addition and nitrosylation reactions: crystal structure of [Os-(NO)(PMe3)2(-C5H5)][PF6]2 Michael I. Bruce, I. Barry Tomkins, Fook Sin Wong, Brian W. Skelton and Allan H. White, pp 687 DOI:10.1039/DT9820000687

Syntheses of NN-ethylenebis(salicylideneiminate) transition-metal chelates by oxidative decarbonylation Robert Lancashire and Thomas D. Smith, pp 693 DOI:10.1039/DT9820000693

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 10. Synthesis of dicobalt- and dirhodium-tungsten complexes with µ3-tolylidyne groups; crystal structures of [Co2W(µ3-CC6H4Me-4)(CO)8(-C5H5)] and [Rh2W(µ3-CC6H4Me-4)-(acac)2(µ-CO)(CO)2(-C5H5)](acac = acetylacetonate) Michael J. Chetcuti, Peter A. M. Chetcuti, John C. Jeffery, Rona M. Mills, Pachanee Mitrprachachon, Susan J. Pickering, F. Gordon A. Stone and Peter Woodward, pp 699 DOI:10.1039/DT9820000699

Secondary bonding. Part 8. The crystal and molecular structure of diphenyl telluroxide Nathaniel W. Alcock and W. David Harrison, pp 709 DOI:10.1039/DT9820000709

Some ten-vertex nido-metallaboranes : oxidative insertion of iridium(I) and rhodium(I) into the arachno-nonaborate anion, [B9H14]-, and the crystal and molecular structure of 6-hydrido-6,6-bis(triphenylphosphine)-nido-6-iridadecaborane, [(HIrIIIB9H13)(PPh3)2] Simon K. Boocock, Jonathan Bould, Norman N. Greenwood, John D. Kennedy and Walter S. McDonald, pp 713 DOI:10.1039/DT9820000713

Metal-exchange reactions between cobalt(II) and lead(II) complexes of nitrilotriacetic acid and copper(II) Edoardo Mentasti, pp 721 DOI:10.1039/DT9820000721

Catalytic activity of polynuclear platinum carbonyl anions in homogeneous hydrogenation reactions Sumit Bhaduri and Krishna R. Sharma, pp 727 DOI:10.1039/DT9820000727

Preparation and characterization of mixed oxides of selenium and tellurium Alicia Castro, Antonio Jerez, Carlos Pico and María Luisa Veiga, pp 733 DOI:10.1039/DT9820000733

Reaction between [Re3H3(CO)12] and the diphosphine ligands Ph2P-CH2PPh2 and (EtO)2POP(OEt)2 : X-ray crystal structures of [Re2H2-(CO)6(Ph2PCH2PPh2)] and [Re3H3(CO)8{(EtO)2POP(OEt)2}2] David W. Prest, Martin J. Mays, Paul R. Raithby and A. Guy Orpen, pp 737 DOI:10.1039/DT9820000737

Reactions of co-ordinated nucleophiles. Preparation, characterization, and crystal structure of penta-ammine(phenylthiocarbamato-S)cobalt-(III) perchlorate monohydrate Robert J. Balahura, George Ferguson, Lynda Ecott and Pik Yuen Siew, pp 747 DOI:10.1039/DT9820000747

Crystal structure of hydrogenbis(pyridine N-oxide) tetrachloroaurate-(III), revealing a short hydrogen bond M. Sakhawat Hussain and Elmer O. Schlemper, pp 751 DOI:10.1039/DT9820000751

Metallation of the isopropenyl group by platinum(II): mechanism of formation of isomeric -allylic and -vinylic six-membered chelate rings. X-Ray structure of the -vinylic complex di-µ-acetato-bis-{[2-(o-diphenylarsinophenyl)propenyl-CAs]platinum(II)} Mervyn K. Cooper, Philip J. Guerney, Hilary J. Goodwin and Mary McPartlin, pp 757 DOI:10.1039/DT9820000757

Charge-transfer interactions in the square-planar chalcogen cations, M42+: preparation and crystal structures of the compounds (Se42+)-(Sb2F42+)(Sb2F5+)(SbF6-)5, (Se42+)(AlCl4-)2, and (Te42+)(SbF6-)2 Guy Cardinal, Ronald J. Gillespie, Jeffery F. Sawyer and John E. Vekris, pp 765 DOI:10.1039/DT9820000765

Ternary complexes of copper(II) with N-protected amino-acids and N-methylimidazole. Crystal and molecular structures of bis(N-acetyl--alaninato)bis(N-methylimidazole)copper(II) dihydrate Luigi Pietro Battaglia, Anna Bonamartini Corradi, Ledi Menabue, Gian Carlo Pellacani, Paolo Prampolini and Monica Saladini, pp 781 DOI:10.1039/DT9820000781

Ortho-metallation reactions of 2-substituted pyridines, 1,2-, 1,3-, and 1,4-diazines, and 2,2-bipyridyl with triosmium clusters. Crystal and molecular structure of nonacarbonyl-µ-(2,2-bipyridyl-6-yl)-µ-hydrido-triangulo-triosmium(3Os-Os) Antony J. Deeming, Roy Peters, Michael B. Hursthouse and J. D. Julius Backer-Dirks, pp 787 DOI:10.1039/DT9820000787

Mesityl- and pentachlorophenyl-nickel(II) complexes with the cyclic alkoxyvinyl group or alkyl(alkoxy)carbene ligand: the relative Bronsted acidity and the rotational barrier about the nickel-carbon bønd Masanori Wade, Kenji Sameshima, Kichi Nishiwaki and Yoshikane Kawasaki, pp 793 DOI:10.1039/DT9820000793

Cobalt(II) and nickel(II) trithiocarbonate complexes as nucleophilic reagents. Reactivity and X-ray structure of the trithiocarbonate complex [Co(tppme)(S2CSCH3)][BPh4]·1.5thf Claudio Bianchini, Carlo Mealli, Andrea Meli and Giancarlo Scapacci, pp 799 DOI:10.1039/DT9820000799

Crystal structure of dichlorobis(3,5-dimethylpyrazole-N2)dimethyltin-(IV) Rodolfo Graziani, Umberto Casellato, Renato Ettore and Gualtiero Plazzogna, pp 805 DOI:10.1039/DT9820000805

Potassium fluoride-succinic acid adduct: a fully refined X-ray crystal-structure determination, ab initio calculations of a model system, and the infrared spectrum of a very strong hydrogen-bonded system John Emsley, Deborah J. Jones, Ruth S. Osborn and Richard E. Overill, pp 809 DOI:10.1039/DT9820000809

Sulphur-ligand-metal complexes. Part 14. Bis[2-(3,3-dimethyl-2-thia-butyl)pyridine] complexes of copper(II) and related metal ions Eric W. Ainscough, Andrew M. Brodie and Nigel G. Larsen, pp 815 DOI:10.1039/DT9820000815

The preparation and reactions of azidobis[1,2-bis(diphenylphosphino)-ethane]nitridotungsten(IV) Peter C. Bevan, Joseph Chatt, Jonathan R. Dilworth, Richard A. Henderson and G. Jeffery Leigh, pp 821 DOI:10.1039/DT9820000821

Matrix isolation studies on alkali-metal phosphites, arsenites, and antimonites. The characterisation of molecular NaPO2, CsAsO2, and KSbO2 J. Steven Ogden and Stephen J. Williams, pp 825 DOI:10.1039/DT9820000825

Diverse donor properties exhibited by the facultative diphosphine diether ligand, 1,8-bis(diphenylphosphino)-3,6-dioxaoctane : six- and four-co-ordinate complexes and trans bidentate behaviour William E. Hill, John G. Taylor, Charles A. McAuliffe, Kenneth W. Muir and Ljubica Manojlovic-Muir, pp 833 DOI:10.1039/DT9820000833

Notes. Preparation and spectroscopic characterization of pseudo-tetrahedral [NiX2{Ph2P(CH2)8PPh2}](X = Cl, Br, or I) and planar [Ni(NCS)2{Ph2P-(CH2)8PPh2}] William E. Hill, John G. Taylor, Charles A. McAuliffe and William Levason, pp 841 DOI:10.1039/DT9820000841

Syntheses of diethyldithiocarbamate chelates of chromium(III) and molybdenum(V) by oxidative decarbonylation Robert Lancashire and Thomas D. Smith, pp 845 DOI:10.1039/DT9820000845

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX015

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP019

Preparation of methyl and acetyl complexes of iron(II) Gustavo Reichenbach, Guiseppe Cardaci and Gianfranco Bellachioma, pp 847 DOI:10.1039/DT9820000847

Chemical syntheses of poly(sulphur nitride), (SN)x Frances A. Kennett, Gregory K. MacLean, Jack Passmore and M. N. Sudheendra Rao, pp 851 DOI:10.1039/DT9820000851

The role of the superoxide radical in the OsO4-catalysed decomposition of hydrogen peroxide László Nagy, Zoltán M. Galbács, László J. Csányi and László Horváth, pp 859 DOI:10.1039/DT9820000859

Structural and mechanistic studies of co-ordination compounds. Part 33. Inner-sphere vs. outer-sphere mechanisms in the reductions of some trans-dianiono(tetramine)ruthenium(III) cations by chromium(II) and vanadium(II) Chung-Kwong Poon, Tin-Wu Tang and Tai-Chu Lau, pp 865 DOI:10.1039/DT9820000865

Actinide structural studies. Part 3. The crystal and molecular structures of UO2SO4·H2SO4·5H2O and 2NpO2SO4·H2SO4·4H2O Nathaniel W. Alcock, Michael M. Roberts and David Brown, pp 869 DOI:10.1039/DT9820000869

Vibrational spectroscopic studies of tetra-n-butylammonium trihalogenomercurates; crystal structures of [NBun4](HgCl3) and [NBun4]-(HgI3) Peter L. Goggin, Paul King, David M. McEwan, Graham E. Taylor, Peter Woodward and Magnus Sandström, pp 875 DOI:10.1039/DT9820000875

Crystal structure of 2,2,4,4,6-pentafluoro-6-[N-(l,2,4,3,5-trithiadiazol-1-ylidene)amino]cyclotriphosphazene, S3N2NP3N3F5 Ivan Rayment, (the late) Harrison M. M. Shearer and Herbert W. Roesky, pp 883 DOI:10.1039/DT9820000883

He-I and He-II photoelectron studies of bonding in metal silylamido-complexes, M[N(SiMe3)2]n(n= 1,2, or 3) Jennifer C. Green, Martin Payne, Elaine A. Seddon and Richard A. Andersen, pp 887 DOI:10.1039/DT9820000887

Electrochemical behaviour of complexes of copper(II) with 14-membered saturated tetra-aza macrocycles Piero Zanello, Renato Seeber, Arnaldo Cinquantini, Gian-Antonio Mazzocchin and Luigi Fabbrizzi, pp 893 DOI:10.1039/DT9820000893

Addition of dimethylphenylphosphine to µ- and µ3-alkynyl and µ3- allenyl ligands in triosmium clusters: X-ray crystal structures of three zwitterionic adducts Kim Henrick, Mary McPartlin, Antony J. Deeming, Sundus Hasso and Peter Manning, pp 899 DOI:10.1039/DT9820000899

Organoboron compounds. Part 17. Preparation and properties of some 2,4-diphenyl- and 2-diethylamino-4-phenyl-1,3,5,2-oxadiazaboroles R. Harry Cragg and Tim J. Miller, pp 907 DOI:10.1039/DT9820000907

Reactions of silylated Schiff bases with trichloro(cyclopentadienyl)-titanium, dichloro(cyclopentadienyl)methoxotitanium, and dichloro-bis(methoxo)titanium Kamalendu Dey, Dhananjoy Koner, Amal Kumar Biswas and Satyabrata Ray, pp 911 DOI:10.1039/DT9820000911

Standard enthalpies of formation and lattice energies of alkylammonium halides. Part 1. Propylamine hydrochlorides Arthur Finch and Francis M. Hall, pp 915 DOI:10.1039/DT9820000915

The mechanism of formation of hydrazido(2-)- and hydrido-complexes by the reaction of dinitrogen complexes with acids in tetrahydrofuran Richard A. Henderson, pp 917 DOI:10.1039/DT9820000917

Influence of co-ordination number on copper(I)-copper(II) redox interconversions. Part 3. Reduction of a sterically constrained bis-(substituted phenanthroline) complex of copper(II) by iron(II) and ruthenium(II) complexes Peter Leupin, Najat Al-Shatti and A. Geoffrey Sykes, pp 927 DOI:10.1039/DT9820000927

Photochemistry of manganese porphyrins. Part 6. Oxidation-reduction equilibria of manganese(III) porphyrins in aqueous solution Nilton Carnieri, Anthony Harriman and George Porter, pp 931 DOI:10.1039/DT9820000931

Studies on the formylation of the tricarbonyl(monosubstituted cyclo-octatetraene) iron derivatives [Fe(CO)3(C8H7X)](X = Me, Ph, Br, or CPh3) Paul Hackett, Brian F. G. Johnson and Jack Lewis, pp 939 DOI:10.1039/DT9820000939

Reduction of cobalt(III) complexes by intramolecular electron transfer from bound free radicals. A pulse radiolytic study Haim Cohen, Mordchi Nutkovich, Dan Meyerstein and Karl Wieghardt, pp 943 DOI:10.1039/DT9820000943

Nitrosyl complexes of molybdenum and tungsten. Part 16. Symmetrical and unsymmetrical bis-alkoxo- and mixed alkoxo-amido-complexes of tris(3,5-dimethylpyrazolyl) boratomolybdenum, related tungsten species, and the structure of bis(ethoxo)-, bis(isopropoxo)-, and ethoxo(isopropoxo)-nitrosyl[tris(3,5-dimethylpyrazolyl)borato]-molybdenum Jon A. McCleverty, A. Elizabeth Rae, Iwona Woochowicz, Neil A. Bailey and John M. A. Smith, pp 951 DOI:10.1039/DT9820000951

Inelastic neutron scattering studies of benzene-containing organometallic complexes. Part 1. Complexes [Cr(CO)3(6-C6H6)] and [ Mn(CO)3(6-C6H6)]Br Joseph Howard, Keith Robson and (the late) Thomas C. Waddington, pp 967 DOI:10.1039/DT9820000967

Inelastic neutron scattering studies of benzene-containing organometallic complexes. Part 2. Complexes [Cr(6-C6H6)2] and [Cr(6-C6H6)2]I Joseph Howard, Keith Robson and (the late) Thomas C. Waddington, pp 977 DOI:10.1039/DT9820000977

Electron-gain and -loss centres in irradiated potassium tetracyanocuprate(I) Martyn C. R. Symons and Douglas X. West, pp 985 DOI:10.1039/DT9820000985

Paramagnetic transition-metal carbonyls and cyanides. Part 7. Electron addition to pentacarbonyl halides of chromium, molybdenum, tungsten, and rhenium induced by ionizing radiation. An electron spin resonance study Martyn C. R. Symons, Stephen W. Bratt and Jane L. Wyatt, pp 991 DOI:10.1039/DT9820000991

Synthesis and characterisation by spectroscopy and X-ray structure determination of palladium complexes containing the 1-3--1,2-di-t-butyl-3-methyl-4-methylenecyclobutenyl ligand Philip J. Ridgwell, Pamela M. Bailey, Stuart N. Wetherell, Elizabeth A. Kelley and Peter M. Maitlis, pp 999 DOI:10.1039/DT9820000999

Notes. Crystallization of amorphous silica into quartz Osamu Yamaguchi, Takuro Kanazawa and Kiyoshi Shimizu, pp 1005 DOI:10.1039/DT9820001005

Structural aspects of a vitamin B12 model. Crystal and molecular structure of trans-cyanobis(dimethylglyoximato)(trimethyl phosphite)-cobalt(III) Nevenka Bresciani-Pahor, Mario Calligaris, Lucio Randaccio and Paul J. Toscano, pp 1009 DOI:10.1039/DT9820001009

Formation of [RuR(CO)2(5-C5H5)](R = C10H13 or COC10H13) during the reaction of [Ru3(CO)12] with cyclopentadiene Amihai Eisenstadt, Felix Frolow and Avi Efraty, pp 1013 DOI:10.1039/DT9820001013

Additions and corrections J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9820001017

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX019

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP023

A simple preparation for (6-arene)(4-cyclo-octa-1,5-diene)ruthenium-(0) complexes and their conversion into the corresponding arene-dichlororuthenium(II) complexes Paolo Pertici, Giovanni Vitulli, Raffaello Lazzaroni, Piero Salvadori and Pier Luigi Barili, pp 1019 DOI:10.1039/DT9820001019

Anionic germanium polycobalt carbonyl clusters. Part 2. Preparation and structure of [NEt4][Ge{Co5(CO)16}], a cluster which contains five-co-ordinate germanium Rex A. Croft, D. Neil Duffy and Brian K. Nicholson, pp 1023 DOI:10.1039/DT9820001023

Anionic germanium polycobalt carbonyl clusters. Part 3. Preparation and structures of [NEt4][Ge2Co7(CO)21] and [NEt4][Ge{Co7(CO)20}]; two large clusters incorporating tetrahedral GeCo3 units D. Neil Duffy, Kenneth M. Mackay, Brian K. Nicholson and Ralph A. Thomson, pp 1029 DOI:10.1039/DT9820001029

Studies on copper-protoporphyrin-iron(III) complexes. A possible model for cytochrome c oxidase Benjamin Lukas, John R. Miller, Jack Silver, Michael T. Wilson and Ian E. G. Morrison, pp 1035 DOI:10.1039/DT9820001035

The chemistry of molybdenum oxohydrazido(2-)-complexes; the X-ray crystal structure of [MoO(NNMe2)(C9H6NO)2], a complex with a bent hydrazido(2-)-ligand Joseph Chatt, Brian A. L. Crichton, Jonathan R. Dilworth, Phillip Dahlstrom and Jon A. Zubieta, pp 1041 DOI:10.1039/DT9820001041

Reactions of [Os3H2(CO)9(PR3)], PR3= PPh3, PPh2Et, or P(OMe)3, with nucleophiles Simon C. Brown and John Evans, pp 1049 DOI:10.1039/DT9820001049

The chemistry of (cyclopentadienyl)phenyl-lead(IV) compounds Christine Gaffney and Philip G. Harrison, pp 1055 DOI:10.1039/DT9820001055

The crystal and molecular structure of bis[diacetatodiphenyl-lead(IV)] hydrate benzene solvate Christine Gaffney, Philip G. Harrison and Trevor J. King, pp 1061 DOI:10.1039/DT9820001061

A study of the one-dimensional conductor Li0.75[Pt{S2C2(CN)2}2]·2H2O Munir M. Ahmad and Allan E. Underhill, pp 1065 DOI:10.1039/DT9820001065

Catalysed and non-catalysed reaction between [Fe(CO)5] and isonitriles Michel O. Albers, Neil J. Coville and Eric Singleton, pp 1069 DOI:10.1039/DT9820001069

Preparation, characterization, and magnetic properties of organic-intercalated two-dimensional ionic ferromagnets (CnH2n+ 1NH3)2CrCl4(n= 3, 5, or 12) Martin J. Stead and Peter Day, pp 1081 DOI:10.1039/DT9820001081

Reduction of Schiff-base macrocyclic complexes. Stabilisation of nickel(I) conjugated macrocyclic complexes via a reversible ligand-to-metal electron-transfer process Jack Lewis and Martin Schröder, pp 1085 DOI:10.1039/DT9820001085

The involvement of perruthenate in the RuCl3-catalysed oxidation of alcohols in base in the presence of peroxodisulphate Laurence D. Burke and James F. Healy, pp 1091 DOI:10.1039/DT9820001091

High nuclearity carbonyl clusters of rhodium. Part 3. Crystal and molecular structure of hexadeca-µ-carbonyl-enneacarbonyl-polyhedro-tetradecarhodate(4-) in its tetraethylammonium salt Gianfranco Ciani, Angelo Sironi and Secondo Martinengo, pp 1099 DOI:10.1039/DT9820001099

Interactions between phenothiazine drugs and metal ions. Part 1. Palladium(II) and platinum(II) complexes. Crystal and molecular structure of protonated trichloro[10-(2-dimethylaminopropyl)phenothiazine-S]palladium(II) William J. Geary, Nigel J. Mason, Ian W. Nowell and Leslie A. Nixon, pp 1103 DOI:10.1039/DT9820001103

Reactions involving transition metals. Part 18. Reactions of transition-metal complexes with peroxycarboxylic acids, diacyl peroxides, and t-butyl peroxybenzoate Christopher Bird, Brian L. Booth, Robert N. Haszeldine, Geoffrey R. H. Neuss and Myles A. Smith, pp 1109 DOI:10.1039/DT9820001109

Electronic properties and crystal structure of (2,2-bipyridyl)-catena-µ-(oxalato-O1O2: O1O2)-copper(II) dihydrate and aqua(2,2-bipyridyl)-(oxalato-O1O2)copper(II) dihydrate William Fitzgerald, Judy Foley, Dan McSweeney, Noel Ray, Dermot Sheahan, Suresh Tyagi, Brian Hathaway and Paul O'Brien, pp 1117 DOI:10.1039/DT9820001117

Anchoring of cobalt, ruthenium, and osmium carbonyls to oxides by pendant thiol and phosphine ligands John Evans and Benjamin P. Gracey, pp 1123 DOI:10.1039/DT9820001123

The molecular structure of silyl monothioacetate in the crystal at 130 K and in the gas phase Michael J. Barrow, E. A. V. Ebsworth, Christopher M. Huntley and David W. H. Rankin, pp 1131 DOI:10.1039/DT9820001131

On the nature and mechanism of decomposition of monovalent copper complexes with tetra-aza macrocyclic ligands in aqueous solutions. A pulse radiolytic study Mira Freiberg, Dan Meyerstein and Yasuo Yamamoto, pp 1137 DOI:10.1039/DT9820001137

Cationic carbonyl complexes of ruthenium(II) containing 2,2-bipyridyl or 1,10-phenanthroline Dibakar Choudhury, Rodney F. Jones, Garry Smith and David J. Cole-Hamilton, pp 1143 DOI:10.1039/DT9820001143

Pentamethylcyclopentadienylrhodium complexes with tripod tetradentate ligands and bidentate mixed ligands Piero Stoppioni, Massimo Di Vaira and Peter M. Maitlis, pp 1147 DOI:10.1039/DT9820001147

Selective formation of positional isomers of substituted µ3-benzynes in triosmium clusters by degrading aryldimethylarsines Alejandro J. Arce and Antony J. Deeming, pp 1155 DOI:10.1039/DT9820001155

Carbon-13 nuclear magnetic resonance studies of rhodium carbonyl clusters on pressurization with CO/H2 Brian T. Heaton, Luisella Strona, Jiri Jonas, Taro Eguchi and Greg A. Hoffman, pp 1159 DOI:10.1039/DT9820001159

Notes. Paramagnetic dioxygen complexes of rhodium J. Barrie Raynor, Robert D. Gillard and Julio D. Pedrosa de Jesus, pp 1165 DOI:10.1039/DT9820001165

The resolution of chlorine and bromine isotope shifts in the 31P nuclear magnetic resonance spectra of PCl3 and PBr3 Malcolm J. Buckingham, Geoffrey E. Hawkes, Ismail M. Ismail and Peter J. Sadler, pp 1167 DOI:10.1039/DT9820001167

Phlorin complex of gold(III) Hiroshi Sugimoto, pp 1169 DOI:10.1039/DT9820001169

Letters Paul O'Brien, Terufumi Fujiwara and Yuroku Yamamoto, pp 1173 DOI:10.1039/DT9820001173

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX023

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP027

The deformation vibrations of [Os3-nRun(CO)12](n= 0-3) in the 150-30 cm-1 region Sidney F. A. Kettle and Pier Luigi Stanghellini, pp 1175 DOI:10.1039/DT9820001175

Potassium fluoride-malonic acid, KF·CH2(CO2H)2: X-ray crystal structure determination and infrared spectrum reveals very short hydrogen bonds John Emsley, Deborah J. Jones and Reiko Kuroda, pp 1179 DOI:10.1039/DT9820001179

Electron spin resonance spectra of some low-spin ruthenium(III) complexes: a probe for solvation effects J. Barrie Raynor and Bojana G. Jeliazkowa, pp 1185 DOI:10.1039/DT9820001185

Copper(I) and copper(II) chelates containing lmidazole and thioether groups; synthesis of the ligand 1,2-bis(benzimidazol-2-ylmethylthio)-benzene (bbtb) and the X-ray crystal structure at -52 °C of [Cu-(bbtb)(H2O)][ClO4]2·5EtOH Frederik J. Rietmeijer, Paul J. M. W. L. Birker, Syb Gorter and Jan Reedijk, pp 1191 DOI:10.1039/DT9820001191

Cyano- and thiocyanato-derivatives of the hexachlorophosphate ion (PCl6-) Keith B. Dillon and Andrew W. G. Platt, pp 1199 DOI:10.1039/DT9820001199

Doubly- and triply-bridging ligands derived from 2-pyridone and 2-aminopyridine. Crystal and molecular structure of the 2-pyridylamido complex [Os3H(CO)9{µ3-NC5H4(NH)}]* formed from 2-aminopyridine and dodecacarbonyltriosmium Antony J. Deeming, Roy Peters, Michael B. Hursthouse and J. D. Julius Backer-Dirks, pp 1205 DOI:10.1039/DT9820001205

Reactions and catalytic properties of ruthenium dioxide hydrate with aqueous solutions of cerium(IV) Andrew Mills, pp 1213 DOI:10.1039/DT9820001213

Transition metal-carbon bonds. Part 52. Large ring and cyclometallated complexes formed from But2PCH2CH2CHRCH2CH2PBut2(R H or Me) and IrCl3, or [Ir2Cl4(cyclo-octene)4] : crystal structures of the cyclometallated hydride, [IrHCl(But2PCH2CH2CHCH2CH2PBut2)], and the carbene complex [IrCl(But2PCH2CH2CCH2CH2PBut2)] Christopher Crocker, H. David Empsall, R. John Errington, Eileen M. Hyde, Walter S. McDonald, Richard Markham, Michael C. Norton, Bernard L. Shaw and Brian Weeks, pp 1217 DOI:10.1039/DT9820001217

Transition metal-carbon bonds. Part 53. The further chemistry of cyclometallated complexes formed from But2P(CH2)5PBut2 and PtCl2 : crystal structure of [PtCl{But2PCH2CH2CCHCH2PBut2}] John R. Briggs, Anthony G. Constable, Walter S. McDonald and Bernard L. Shaw, pp 1225 DOI:10.1039/DT9820001225

Photochemistry of manganese porphyrins. Part 7. Characterisation of manganese porphyrins in organic and aqueous/organic microheterogeneous systems Nilton Carnieri, Anthony Harriman, George Porter and Kuppuswany Kalyanasundaram, pp 1231 DOI:10.1039/DT9820001231

Co-ordination of alkali metals by open-chain polyethers in transition-metal complexes. Part 1. X-Ray crystal and molecular structure of tetrakis[1-o-carboxymethoxyphenoxy)-2-(o-hydroxyphenoxy)ethanato(1-)]dipotassiumcobalt(II), a trinuclear potassium-cobalt-potassium complex David L. Hughes and Jonathan N. Wingfield, pp 1239 DOI:10.1039/DT9820001239

Preparation and utilisation of organometallic ylids containing the tricarbonyliron unit Paul Hackett, Brian F. G. Johnson, Jack Lewis and Gerard Jaouen, pp 1247 DOI:10.1039/DT9820001247

Structure and reactivity of some carbonium ion derivatives of [alkyl-(cyclo-octatetraenyl)methanol]tricarbonyliron Paul Hackett, Brian F. G. Johnson and Jack Lewis, pp 1253 DOI:10.1039/DT9820001253

Solution and matrix photochemistry of the isoelectronic series of a half -sandwich carbonyl(5-cyclopentadienyl)nitrosyl complexes of manganese, chromium, and vanadium, [M(5-C5H5)(CO)3 -n(NO)n](n= 0, M = Mn; n= 1, M = Cr; n= 2, M = V) Max Herberhold, Walter Kremnitz, Herbert Trampisch, Ramli B. Hitam, Antony J. Rest and David J. Taylor, pp 1261 DOI:10.1039/DT9820001261

Mixed boron trihalide adducts of amines: a multinuclear nuclear magnetic resonance study Arnold Fox, J. Stephen Hartman and Robyn E. Humphries, pp 1275 DOI:10.1039/DT9820001275

Configurational effects in the reaction of cobalt(I) Schiff-base complexes with alkyl bromides Anna Puxeddu and Giacomo Costa, pp 1285 DOI:10.1039/DT9820001285

Palladium(II) 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) bis(hexafluorophosphate) Robert McCrindle, George Ferguson, Alan J. McAlees, Masood Parvez and Donald K. Stephenson, pp 1291 DOI:10.1039/DT9820001291

Organic chemistry of dinuclear metal centres. Part 1. Combination of alkynes with carbon monoxide at di-iron and diruthenium centres: crystal structure of [Ru2(CO)(µ-CO){µ-:3-C(O)C2Ph2}(-C5H5)2] Andrew F. Dyke, Selby A. R. Knox, Pamela J. Naish and Graham E. Taylor, pp 1297 DOI:10.1039/DT9820001297

Electrophilic behaviour of dicarbonylbis(pentamethylcyclopentadienyl)-dirhodium towards diazoalkanes and low-valent platinum compounds : X-ray crystal structure of [ PtRh2(µ-CO)2(CO)(PPh3)(-C5Me5)2] Michael Green, Rona M. Mills, Geoffrey N. Pain, F. Gordon A. Stone and Peter Woodward, pp 1309 DOI:10.1039/DT9820001309

Protonation of cyclo-platinumdirhodium complexes. X-Ray crystal structure of [PtRh2(µ-H)(µ-CO)2(CO)(PPh3)(-C5Me5)2][BF4] Michael Green, Rona M. Mills, Geoffrey N. Pain, F. Gordon A. Stone and Peter Woodward, pp 1321 DOI:10.1039/DT9820001321

Synthesis and crystal structure of the pentanuclear metal cluster complex [PtRh4(µ-CO)4(-C5Me5)4] Michael Green, Judith A. K. Howard, Geoffrey N. Pain and F. Gordon A. Stone, pp 1327 DOI:10.1039/DT9820001327

Chemistry of the metal carbonyls. Part 81. Homonuclear and heteronuclear di- and tri-metal carbonyl complexes derived from dicarbonyl-(pentamethylcyclopentadienyl)rhodium; X-ray crystal structure of [ Mn-Rh(µ-CO)2(CO)2(-C5H5)(-C5Me5)] Mark L. Aldridge, Michael Green, Judith A. K. Howard, Geoffrey N. Pain, Simon J. Porter, F. Gordon A. Stone and Peter Woodward, pp 1333 DOI:10.1039/DT9820001333

Pentamethylcyclopentadienyl-rhodium and -iridium complexes. Part 36. Reaction of [Rh2(C5Me5)2Cl4] with phenylacetylene to give the 4-cyclobutadiene complex [Rh(C5Me5)(C4Ph2HCPhC5Ph2H2)] and the 4-benzocyclobutadiene complex [Rh(C5Me5)(C8Ph4H2)], identified by X-ray structure determinations Josep Moreto, Ken-ichi Maruya, Pamela M. Bailey and Peter M. Maitlis, pp 1341 DOI:10.1039/DT9820001341

Investigation into aroylhydrazones as chelating agents. Part 2. Neutral and deprotonated ligand behaviour of 2,6-diacetylpyridine bis-(picolinoylhydrazone) in complexes of MnII, CoII, NiII, and ZnII and X-ray structure of diaqua[2,6-diacetylpyridine bis(picolinoylhydrazonato)-(2-)]manganese(II) Corrado Pelizzi, Giancarlo Pelizzi, Giovanni Predieri and Sergio Resola, pp 1349 DOI:10.1039/DT9820001349

Fluoride ion donor properties of UF2O2; preparation and characterization of the adducts UF2O2·nSbF5(n= 2 or 3) and crystal structure of UF2O23SbF5 John Fawcett, John H. Holloway, David Laycock and David R. Russell, pp 1355 DOI:10.1039/DT9820001355

NN-dimethyl- and NN-diethyl-propionamide complexes of uranium tetrachloride; crystal structure of trichlorotetrakis(NN-diethylpropion- amide)uranium(IV) pentachloro(NN-diethylpropionamide)uranate(IV), [UCl3(EtCONEt2)4]+[UCl5(EtCONEt2)]- Kenneth W. Bagnall, Roy L. Beddoes, Owen S. Mills and Li Xing-fu, pp 1361 DOI:10.1039/DT9820001361

Some oxygen-donor complexes of cyclopentadienyluranium(IV)N-thiocyanate; steric considerations and stability Kenneth W. Bagnall and Li Xing-fu, pp 1365 DOI:10.1039/DT9820001365

Electronic, Raman, and resonance Raman spectra of mixed-valence anion-chain complexes of platinum Shaista Ahmad, Robin J. H. Clark and Mohamedally Kurmoo, pp 1371 DOI:10.1039/DT9820001371

Notes. Co-ordination selectivity in the reaction of aluminium(III) with 8-hydroxy-7-[(6-sulpho-2-naphthyl)azo]quinoline-5-sulphonic acid Katsushige Hayashi, Ken-ichi Okamoto, Jinsai Hidaka and Hisahiko Einaga, pp 1377 DOI:10.1039/DT9820001377

Reactions of pertechnetate anion with triphenylphosphine. Molecular structure (at -100 °C) of (1,1-dimethyl-3-oxobutyl)triphenylphosphonium pentachloro(triphenylphosphine)technetate(IV) Giuliano Bandoli, Dore A. Clemente, Ulderico Mazzi and Edoardo Roncari, pp 1381 DOI:10.1039/DT9820001381

Halogen exchange reactions involving uranium-(V) and -(VI) halides David Brown, John A. Berry and John H. Holloway, pp 1385 DOI:10.1039/DT9820001385

An investigation of the reaction between [{Fe(5-C5H5)(CO)2}2] and aryl isonitriles Neil J. Coville, Michel O. Albers and Eric Singleton, pp 1389 DOI:10.1039/DT9820001389

Additions and corrections J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9820001393

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX027

Issue 8

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP031

A high-pressure infrared study of the stability of some ruthenium and osmium clusters to CO and H2 under pressure J. Nicola Nicholls, David H. Farrar, Peter F. Jackson, Brian F. G. Johnson and Jack Lewis, pp 1395 DOI:10.1039/DT9820001395

Synthetic, structural, and spectroscopic studies of the ligating properties of organic disulphides: X-ray structure of copper(I) iodide-diethyl disulphide (2/1) P. Michael Boorman, K. Ann Kerr, Ronald A. Kydd, Kelly J. Moynihan and Karen A. Valentine, pp 1401 DOI:10.1039/DT9820001401

Kinetics of the thermal decomposition of cobaltic acid, CoO(OH) Paul O'Brien and Unita Patel, pp 1407 DOI:10.1039/DT9820001407

A spectrophotometric study on equilibria of p-(4-hydroxy-1-naphthylazo)nitrobenzene with proton and of p-(2,4-dihydroxyphenylazo)nitrobenzene with proton and copper(II) in aqueous solution Marina Biangini Cingi, Francesco Bigoli, Enrico Leporati and M. Angela Pellinghelli, pp 1411 DOI:10.1039/DT9820001411

Association and hydration equilibria in concentrated aqueous solutions containing magnesium nitrate. Part 1. Cadmium(II) chloride complexes in aqueous solutions of magnesium nitrate and its mixtures with ammonium nitrate Ruica Nikoli and Olivera Nekovi, pp 1417 DOI:10.1039/DT9820001417

Secondary bonding. Part 9. Crystal and molecular structures of µ-oxo-bis[nitratodiphenyltellurium(IV)]-diphenyltellurium(IV) hydroxide nitrate (1/1), oxophenyltellurium(IV) nitrate, and diphenyltellurium(IV) dinitrate Nathaniel W. Alcock and W. David Harrison, pp 1421 DOI:10.1039/DT9820001421

Zero-field splitting of manganese(II) ions in polymeric MN2X4(M = Cd or Zn, X = halogen) co-ordination Roshun B. Birdy and Margaret Goodgame, pp 1429 DOI:10.1039/DT9820001429

Model compounds for microbial iron-transport compounds. Part 3. Solution chemistry and Mössbauer study of iron(II) and iron(III) complexes from 2,3-dihydroxypyridine and 2-mercapto-3-pyridinol Brendan Howlin, Robert C. Hider and Jack Silver, pp 1433 DOI:10.1039/DT9820001433

The single-crystal electronic properties and stereochemistry of tri-potassium penta(nitro/nitrito)cuprate(II) Judy Foley, Willie Fitzgerald, Suresh Tyagi, Brian J. Hathaway, David E. Billing, Richard Dudley, Peter Nicholls and Roger C. Slade, pp 1439 DOI:10.1039/DT9820001439

Lithiation and intermolecular exchange of tertiary methylphosphines in trans-[NiR2L2], where R = 2,6-dimethoxyphenyl Masanori Wada, Koichi Nishiwaki and Yoshikane Kawasaki, pp 1443 DOI:10.1039/DT9820001443

Vanadium(IV) porphyrins: synthesis and spectrochemical characterization of dihalogenovanadium(IV) porphyrins. Extended X-ray absorption fine structural study of dibromo(2,3,7,8,12,13,17,18-octaethylporphyrinato) vanadium(IV) Philippe Richard, Jean Luc Poncet, Jean Michel Barbe, Roger Guilard, José Goulon, Daniel Rinaldi, Alain Cartier and Pascal Tola, pp 1451 DOI:10.1039/DT9820001451

Structural and mechanistic studies of co-ordination compounds. Part 34. Electrochemical behaviour of some octahedral ruthenium(III)/ ruthenium(II) couples containing tetra-amine or -thioether ligands Chung-Kwong Poon, Si-San Kwong, Chi-Ming Che and Yan-Ping Kan, pp 1457 DOI:10.1039/DT9820001457

Crystal and molecular structure of cis-dichloro(1,4,8,11-tetrathiacyclo-tetradecane)ruthenium(II) dihydrate; a correction to the reported stereochemistry based on infrared spectroscopy Ting-Fong Lai and Chung-Kwong Poon, pp 1465 DOI:10.1039/DT9820001465

The transformations of parallel and perpendicular L2M(µ-acetylene)ML2 complexes David M. Hoffman and Roald Hoffmann, pp 1471 DOI:10.1039/DT9820001471

Investigation of paramagnetic species formed during the thermolysis, photolysis, and oxygenation of some bi- and tri-nuclear organometallic compounds of chromium, iron, and molybdenum Laurence Carlton, W. Edward Lindsell and Peter N. Preston, pp 1483 DOI:10.1039/DT9820001483

Kinetics of nucleophilic attack on co-ordinated organic moieties. Part 21. Factors governing the nucleophilicity of phosphorus nucleophiles towards [Fe(CO)3(1-5--C6H7)]+ Jennifer G. Atton and Leon A. P. Kane-Maguire, pp 1491 DOI:10.1039/DT9820001491

Hexanuclear rhodium hydrido-carbonyl clusters Brian T. Heaton, Luisella Strona, Secondo Martinengo, Donatella Strumolo, Robin J. Goodfellow and Ian H. Sadler, pp 1499 DOI:10.1039/DT9820001499

Synthesis and conformational studies of (diphenylphosphinoamino)-cyclodiphosph(III)azanes Rodney Keat, Liam Murray and David S. Rycroft, pp 1503 DOI:10.1039/DT9820001503

Synthesis of new cobalt-osmium mixed-metal clusters using a novel reactive cobalt species; X-ray crystal structure of [Os3Co(CO)10(C5Me4Et)H2] Jack Lewis, Richard B. A. Pardy and Paul R. Raithby, pp 1509 DOI:10.1039/DT9820001509

Some silyl and germyl compounds of six-co-ordinated rhodium(III) carbonyl halides E. A. V. Ebsworth, Mirna Rosa de Ojeda and David W. H. Rankin, pp 1513 DOI:10.1039/DT9820001513

Reactions of arylpalladium complexes with ammonia and chelating amines. Crystal and molecular structure of [Pd(o-C6H4CHNCH2CH2NH2)(NH2CH2CH2NH2)][PF6], a product of transamination and ligand substitution Harry Adams, Neil A. Bailey, T. Nigel Briggs, Jon A. McCleverty and Howard M. Colquhoun, pp 1521 DOI:10.1039/DT9820001521

Optically active transition-metal complexes. Part 79. Optically active organoiron enantiomers formed by HF cleavage of the P-N bond in the aminophosphine ligand of separated diastereoisomers Henri Brunner, Manfred Muschiol and Michael F. A. Dove, pp 1527 DOI:10.1039/DT9820001527

Axial additions in nickel(II) complexes of (5SR,7RS,12RS,14SR)-tetra-methyl-1,4,8,11-tetra-azacyclotetradecane (L) and crystal-structure analysis of the planar orange and octahedral violet perchlorate salts NiL,(ClO4)2 Robert W. Hay, Bakir Jeragh, George Ferguson, Branko Kaitner and Barbara L. Ruhl, pp 1531 DOI:10.1039/DT9820001531

Inter- and intra-molecular ligand-exchange and -rearrangement reactions of tetra-azadiene complexes of nickel, platinum, and cobalt Peter Overbosch, Gerard van Koten and Kees Vrieze, pp 1541 DOI:10.1039/DT9820001541

Studies of phosphazenes. Part 14. The tautomerism of oxocyclotriphosphazadienes K. S. Dhathathreyan, S. S. Krishnamurthy, A. R. Vasudeva Murthy, Robert A. Shaw and Michael Woods, pp 1549 DOI:10.1039/DT9820001549

Effect of solvent structure on the kinetics of ligand substitution in pentacyano(N,N-dimethylethylenediamine)ferrate(II) Delia B. Soria, Margarita del V. Hidalgo and Néstor E. Katz, pp 1555 DOI:10.1039/DT9820001555

On the correlation between bond lengths, chemical shifts, and cone angles in octahedral cobaloximes containing P-donor ligands. Crystal structure of trans-chlorobis(dimethylglyoximato)(phosphite)cobalt(III) complexes with phosphite = P(OMe)2Ph and P(OMe)Ph2 Nevenka Bresciani-Pahor, Lucio Randaccio and Paul J. Toscano, pp 1559 DOI:10.1039/DT9820001559

A method for the simulation of powder electron spin resonance spectra when S > ½; application to the iron-molybdenum-sulphur protein of nitrogenase and of some [Fe4S4(SR)4]3- clusters David Collison and Frank E. Mabbs, pp 1565 DOI:10.1039/DT9820001565

Magnetic moments and electron spin resonance spectra of some iron-sulphur-molybdenum and -tungsten cubane-like cluster dimers George Christou, David Collison, C. David Garner, Stephen R. Acott, Frank E. Mabbs and Vasili Petrouleas, pp 1575 DOI:10.1039/DT9820001575

Isolation of polynuclear platinum complexes in the ammination reaction of activated olefins. X-Ray crystal structure of a diplatinum(II) perchlorate salt bridged by an ammoniodiethylide group Giuliano Annibale, Luciana Maresca, Giovanni Natile, Antonio Tiripicchio and Marisa Tiripicchio-Camellini, pp 1587 DOI:10.1039/DT9820001587

The stabilisation of low oxidation state transition metal complexes. Preparation and electrochemistry of cobalt(II) unsaturated macrocyclic complexes and the stabilisation of a cobalt(I) derivative. Crystal and molecular structures of [CoII(L)(CH3OH)2][BF4]2 and [CoI(L){P(OCH3)3}][BF4] Christopher W. G. Ansell, Jack Lewis, Michael C. Liptrot, Paul R. Raithby and Martin Schröder, pp 1593 DOI:10.1039/DT9820001593

Nitrogen-tracer experiments on the reaction of hydrazine with an excess of nitrous acid Kieran G. Phelan and Geoffrey Stedman, pp 1603 DOI:10.1039/DT9820001603

Syntheses of tervalent iridium complexes of octaethylporphyrin; influence of axial ligands on their ultra-violet-visible, infrared, and nuclear magnetic resonance spectra, and redox potentials Hiroshi Sugimoto, Nobuhiro Ueda and Masayasu Mori, pp 1611 DOI:10.1039/DT9820001611

Kinetics of solvolysis of the trans-dichlorotetrapyridinecobalt(III) ion in water + isopropyl alcohol Christine N. Elgy and Cecil F. Wells, pp 1617 DOI:10.1039/DT9820001617

Reduction potentials for µ-superoxo/µ-peroxo-dicobalt(III) couples David T. Richens and A. Geoffrey Sykes, pp 1621 DOI:10.1039/DT9820001621

Acid-induced lsomerisations of osmium and ruthenium clusters involving hydroxide transfer from carbon to metal atoms. X-Ray crystal structure of nonacarbonyl-µ3-(3,3-diphenylallene- 1,1-diyl)-µ-hydrido-µ-hydroxo-triosmium(2 Os-Os) Silvo Aime, Antony J. Deeming, Michael B. Hursthouse and J. D. Julius Backer-Dirks, pp 1625 DOI:10.1039/DT9820001625

Notes. Preparation of some metallodithiocarboxylato- and metallodithiocarbene- metal complexes Luigi Busetto, Antonio Palazzi and Magda Monari, pp 1631 DOI:10.1039/DT9820001631

Preparation and characterization of the uranyl fluoride-antimony pentafluoride adduct, UF2O2·4SbF5 John H. Holloway, David Laycock and Roland Bougon, pp 1635 DOI:10.1039/DT9820001635

Synthesis and reactivity of platinum-formaldehyde complexes [Pt (PR3)2(CH2O)] Robert A. Head, pp 1637 DOI:10.1039/DT9820001637

Reactions of CS2 with metal cluster carbonyls of the iron triad: reaction of [Os6(CO)18] and X-ray crystal structure of [Os4(CO)12(CS)S] Peter V. Broadhurst, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 1641 DOI:10.1039/DT9820001641

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX031

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP037

Solutions in selenic acid. Part 9. Higher acids of selenic acid; the SeO3-H2SeO4 system Mohammed A. Hussein, George M. Iskander, Maher M. Nour, Saad Wasif and Hussein M. Zeidan, pp 1645 DOI:10.1039/DT9820001645

Kinetics of the dissolution of magnetite in thioglycolic acid solutions Erwin Baumgartner, Miguel A. Blesa and Alberto J. G. Maroto, pp 1649 DOI:10.1039/DT9820001649

Vibrational spectroscopic studies of trivalent hexa-aqua-cations: single-crystal Raman spectra of caesium aluminium alums between 300 and 1 200 cm-1 Stephen P. Best, Robert S. Armstrong and James K. Beattie, pp 1655 DOI:10.1039/DT9820001655

Synthesis and crystal and molecular structures of mixed-valence tetranuclear, [Re4I8(CO)6], and trinuclear, [ Re3I6(CO)6], compounds of rhenium obtained by di-iodine oxidation of rhenium(I) carbonyl complexes Fausto Calderazzo, Fabio Marchetti, Rinaldo Poli, Dario Vitali and Pier Francesco Zanazzi, pp 1665 DOI:10.1039/DT9820001665

A structural and spectroscopic characterization of [Pt3(PPh3)3(µ-PPh2)2(µ-H)][BF4]·2CH2Cl2 Pier Luigi Bellon, Alessandro Ceriotti, Frencesco Demartin, Giuliano Longoni and Brian T. Heaton, pp 1671 DOI:10.1039/DT9820001671

Metallaborane chemistry. Part 12. Electron hyper-deficient carbametallaboranes containing iron-iron, iron-cobalt, and iron-platinum connectivities: molecular and crystal structure of [CoFe(Me4C4B8H8)(PEt3)2] Geoffrey K. Barker, Maria P. Garcia, Michael Green, F. Gordon A. Stone and Alan J. Welch, pp 1679 DOI:10.1039/DT9820001679

The oxidation of hydroxylamine by lodate or periodate: an oligo-oscillatory reaction Mihály T. Beck and Gyula Rábai, pp 1687 DOI:10.1039/DT9820001687

Energy transfer in actinyl compounds. Part 2. Defect centres in Na[UO2(OOCCH3)3] Robert G. Denning, Charles N. Ironside, Timothy R. Snellgrove and Paul J. Stone, pp 1691 DOI:10.1039/DT9820001691

Light-induced reactions of trans-chloro(cyanomethyl)bis(triphenylphosphine) palladium(II) and the crystal and molecular structures of its acetone, acetonitrile, and benzene solvates Robert McCrindle, George Ferguson, Alan J. McAlees, Masood Parvez and Paul J. Roberts, pp 1699 DOI:10.1039/DT9820001699

The cis- and trans-effects in carbonyl complexes of bis(dimethylglyoximato) iron(II) Kenneth J. Reimer, Craig A. Sibley and John R. Sams, pp 1709 DOI:10.1039/DT9820001709

Reactions of palladium(II) allyl dimers with palladium(II) complexes containing -bonded 1,2-bis(imino)alkyl groups. Crystal and molecular structure of the zwitterionic binuclear compound [Pd(3-2-MeC3H4){R1NC(PdCl2L)-CMeNR2}](L = PPh3, R1= R2= C6H4OMe-p) Bruno Crociani, Roberta Bertani, Tristano Boschi and Giuliano Bandoli, pp 1715 DOI:10.1039/DT9820001715

Studies of dioxamide and dithio-oxamide metal complexes. Part 1. Crystal and molecular structures of SbCl3L1.5(L =NN-diethyldithio-oxamide) and uncomplexed L Michael G. B. Drew, Jonathan M. Kisenyi and Gerald R. Willey, pp 1729 DOI:10.1039/DT9820001729

Synthesis of platinum-manganese and -rhenium complexes with bridging thiocarbonyl ligands; crystal structure of [MnPt(µ-CS)(CO)2(PMePh2)2(-C5H5)] John C. Jeffery, Hayat Razay and F. Gordon A. Stone, pp 1733 DOI:10.1039/DT9820001733

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 11. Some reactions of the compound [PtW{µ-C(OMe)C6H4Me-4}(CO)5(-C8H12)] and the crystal structure of one isomer of [Pt3{µ-C(OMe)C6H4Me-4}3(CO)3] John C. Jeffery, Iain Moore, Martin Murray and F. Gordon A. Stone, pp 1741 DOI:10.1039/DT9820001741

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 12. Reaction of the complexes [PtW(µ-CC6H4Me-4)(CO)2(PR3)2(-C5H5)] with carbon monoxide. Crystal structure of [Pt2W(µ3-CC6H4Me-4)(CO)4(PMePh2)2(-C5H5)] Michael J. Chetcuti, Karen Marsden, Iain Moore, F. Gordon A. Stone and Peter Woodward, pp 1749 DOI:10.1039/DT9820001749

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 13. Synthesis of platinumirontungsten tri-metal compounds with µ3-tolylidyne groups; crystal structures of [FePtW(µ3-CR)(CO)5(PMePh2)2(-C5H5)] and [FePtW(µ3-CR)(CO)6(PEt3)(-C5H5)](R = C6H4Me-4) Michael J. Chetcuti, Judith A. K. Howard, Rona M. Mills, F. Gordon A. Stone and Peter Woodward, pp 1757 DOI:10.1039/DT9820001757

Chemistry of ruthenium. Part 6. Bis(2,2-bipyridine)(isonitrosoketonato)ruthenium(II) perchlorate monohydrate. Synthesis, spectra, and electrochemistry Akhil Ranjan Chakravarty and Animesh Chakravorty, pp 1765 DOI:10.1039/DT9820001765

Derivatives of NPCl2(NSOCl)2 and (NPCl2)2NSOCl. Part 17. The dimethylaminolysis pattern of cis-NPCl2(NSOCl)2 Barteld de Ruiter and Johan C. van de Grampel, pp 1773 DOI:10.1039/DT9820001773

Photochemistry of acetylacetonato-, trifluoroacetylacetonato-, and hexafluoroacetylacetonato-dicarbonyl-rhodium and -iridium complexes in frozen gas matrices at 12 K. Infrared spectroscopic evidence for carbon monoxide dissociation and chelate ring-opening processes Anja M. F. Brouwers, Ad Oskam, Ramaier Narayanaswamy and Antony J. Rest, pp 1777 DOI:10.1039/DT9820001777

Organic chemistry of dinuclear metal centres. Part 2. Combination of dimethyl acetylenedicarboxylate with carbon monoxide at a ditungsten centre: crystal structure of [W2(CO)4{µ-2:2-C(O)C2(CO2Me)2}(-C5H5)2] Stephen R. Finnimore, Selby A. R. Knox and Graham E. Taylor, pp 1783 DOI:10.1039/DT9820001783

Further evidence for 1,2-hydrogen shift equilibria in the bis(-cyclopentadienyl)methyltungsten system Massimo Canestrari and Malcolm L. H. Green, pp 1789 DOI:10.1039/DT9820001789

Co-ordination chemistry of dimethylgold(III). Synthesis, spectroscopic, and structural studies of complexes with neutral aromatic nitrogen-donor ligands Allan J. Canty, Nigel J. Minchin, Peter C. Healy and Allan H. White, pp 1795 DOI:10.1039/DT9820001795

A new contribution to the determination of the complex equilibria of oxidised glutathione with proton and copper(II) in aqueous solution Marie-José Blais and Guy Berthon, pp 1803 DOI:10.1039/DT9820001803

Crystal and molecular structures of [AsPh4][Ln(S2PMe2)4](Ln = Ce or Tm) and their comparison with results obtained from paramagnetic nuclear magnetic resonance data in solution Stavros Spiliadis, A. Alan Pinkerton and Dieter Schwarzenbach, pp 1809 DOI:10.1039/DT9820001809

A parmagnetic nuclear magnetic resonance study of the lanthanide complexes [Ln(S2PMe2)4]-. Determination of phosphorus hyperfine coupling and solution structures Stavros Spiliadis and A. Alan Pinkerton, pp 1815 DOI:10.1039/DT9820001815

Hydrolysis of -amino-acid esters in mixed-ligand complexes with 2,2-bipyridylpalladium(II) Robert W. Hay and Arup K. Basak, pp 1819 DOI:10.1039/DT9820001819

Mechanism of formation of Schiff base complexes. Part 3. Kinetic template effect of copper(II) in the condensation reaction of the salicylaldehydato-ion with a polyfunctional diprimary amine Enrico Rotondo and Francesca Cusmano Priolo, pp 1825 DOI:10.1039/DT9820001825

Transition metal-carbon bonds. Part 54. Complexes of palladium, platinum, rhodium, and iridium with But2PCH2CHMe(CH2)3PBut2. Crystal structures of [PdCl(But2PCH2CHMeCHCH2CH2PBut2)] and [IrH(Cl)(But2PCH2CHMeCHCH2CH2PBut2)] R. John Errington, Walter S. McDonald and Bernard L. Shaw, pp 1829 DOI:10.1039/DT9820001829

Dicopper(II) complexes of a macrocyclic ligand containing single hydroxo-, methoxo-, or 1,1-azido-bridges: synthesis, magnetic properties, electron spin resonance spectra, and the crystal and molecular structure of a µ-hydroxo-derivative Michael G. B. Drew, Jane Nelson, Ferida Esho, Vickie McKee and S. Martin Nelson, pp 1837 DOI:10.1039/DT9820001837

Kinetics and mechanism of the silver(I) catalyzed oxidation of water with peroxodiphosphate in acetate buffers Abhay Kumar Gupta, Krishna Swarup Gupta and Yugul Kishore Gupta, pp 1845 DOI:10.1039/DT9820001845

Electronic and resonance Raman spectra of mixed-valence, linear-chain complexes of platinum and palladium with 1,2-diaminocycloalkanes (N-N), [ MII(N-N)2][ MIV(N-N)2X2]X4(X = halogen) Robin J. H. Clark, Mohamedally Kurmoo, David N. Mountney and Hans Toftlund, pp 1851 DOI:10.1039/DT9820001851

Kinetics and mechanism of reduction of a nickel(IV) complex by tris(1,10-phenanthroline)cobalt(II); spectrophotometric detection of a nickel(III) intermediate A. Graham Lappin and Mauro C. M. Laranjeira, pp 1861 DOI:10.1039/DT9820001861

Preparation of 2 : 2-o-xylylene complexes of ruthenium(0)via facile -hydrogen abstraction reactions. The crystal and molecular structure of [Ru(CH2C6H4CH2)(PMe2Ph)3] S. David Chappell, David J. Cole-Hamilton, Anita M. R. Galas and Michael B. Hursthouse, pp 1867 DOI:10.1039/DT9820001867

Notes. Infrared and Raman spectra of some bis(thiocyanato)cuprate(I) and bis(thiocyanato)aurate(I) complexes Graham A. Bowmaker and David Alan Rogers, pp 1873 DOI:10.1039/DT9820001873

Tetrachloro-oxo-osmium(VI): a new synthesis, and matrix-isolation infrared and ultraviolet-visible studies William Levason, J. Steven Ogden, Antony J. Rest and Jeremy W. Turff, pp 1877 DOI:10.1039/DT9820001877

Additions and corrections J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9820001879

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX035

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX037

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP041

The preparation, variable-temperature nuclear magnetic resonance spectra, and behaviour under reflux conditions of [Os3(CO)10(µ-ER)2](E = S, R = Me, Ph, or CH2Ph; E = Se, R = Ph) Peter V. Broadhurst, Brian F. G. Johnson and Jack Lewis, pp 1881 DOI:10.1039/DT9820001881

The photochemical water-gas shift reaction catalysed by bis(2,2-bipyridyl)(carbonyl)chlororuthenium(II) chloride Dibakar Choudhury and David J. Cole-Hamilton, pp 1885 DOI:10.1039/DT9820001885

Co-ordination chemistry of higher oxidation states. Part 3. Palladium(IV) complexes with neutral unidentate ligands David J. Gulliver and William Levason, pp 1895 DOI:10.1039/DT9820001895

Metal complexes of N-2-thenylsalicylaldimine Vasudha A. Mukhedkar, Urmila A. Bhagwat and Anant J. Mukhedkar, pp 1899 DOI:10.1039/DT9820001899

Acid-induced reversal of amine attack at platinum-co-ordinated ethene versus acidolysis of platinum-carbon bonds Luciana Maresca and Giovanni Natile, pp 1903 DOI:10.1039/DT9820001903

Crystallization and transformation of amorphous GeO2 derived from hydrolysis of germanium isopropoxide Osamu Yamaguchi, Katuji Kotera, Masao Asano and Kiyoshi Shimizu, pp 1907 DOI:10.1039/DT9820001907

The hydrolysis of metal ions. Part 4. Indium(III) Paul L. Brown, John Ellis and Ronald N. Sylva, pp 1911 DOI:10.1039/DT9820001911

Fourier-transform heteronuclear magnetic triple resonance in complex spin systems. Part 2. Acyclic ditertiary phosphines and their selenides Ian J. Colquhoun and William McFarlane, pp 1915 DOI:10.1039/DT9820001915

Cobalt metallocycles. Part 10. Preparation and X-ray structures of two isomeric dicyanocobaltacyclopentanes Yasuo Wakatsuki, Tosio Sakurai and Hiroshi Yamazaki, pp 1923 DOI:10.1039/DT9820001923

Lanthanum-139 nuclear magnetic resonance spectra of lanthanum complexes Dennis F. Evans and Paul H. Missen, pp 1929 DOI:10.1039/DT9820001929

Electrophilic behaviour of nitrosyls: preparation and reactions of six-co-ordinate ruthenium tetra(pyridine) nitrosyl complexes Frank Bottomley and Masao Mukaida, pp 1933 DOI:10.1039/DT9820001933

Stabilisation of copper(II) tertiary-phosphine or -arsine complexes. Part 1. Complexes of copper(II) with hybrid oxygen-arsenic ligands from o- and p-(diphenylarsino)benzoic acids Swarn S. Parmar, Tejpal S. Basra and Sarjit S. Sandhu, pp 1939 DOI:10.1039/DT9820001939

Equilibria and mechanism of the interaction of InIII with the indicator ferron Berta Perlmutter-Hayman, Fernando Secco and Marcella Venturini, pp 1945 DOI:10.1039/DT9820001945

Synthesis and characterization of paramagnetic triazenido-complexes of rhenium(III). The crystal structure of [ReCl2(p-MeC6H4NNNC6H4Me-p)(PPh3)2] Roberto Rossi, Adriano Duatti, Luciano Magon, Umberto Casellato, Rodolfo Graziani and Luigi Toniolo, pp 1949 DOI:10.1039/DT9820001949

Pulse-radiolytic investigation of the oxidation of iron(II) and iron(III) complexes with 2,2-bipyridine Nada M. Dimitrijevi and Olga I. Mii, pp 1953 DOI:10.1039/DT9820001953

Chemistry of o-xylidene-metal complexes. Part 1. o-Xylidene-magnesium reagents as metallocyclic precursors and synthesis of [Pt(CH2C6H4CH2-o)(cod)](cod = cyclo-octa-1,5-diene); the X-ray crystal structure of the macrometallocycle [{Mg(CH2C6H4CH2-o)(C4H8O)2}3] Michael F. Lappert, Tony R. Martin, Colin L. Raston, Brian W. Skelton and Allan H. White, pp 1959 DOI:10.1039/DT9820001959

Spectrophotometric study of the reactions of proton and copper (II) with arsenazo I in aqueous solution Marina Biagini Cingi, Francesco Bigoli, Enrico Leporati and M. Angela Pellinghelli, pp 1965 DOI:10.1039/DT9820001965

Tris(pentafluorophenyl)gold(III) complexes Rafael Usón, Antonio Laguna, Mariano Laguna, Eduardo Fernandez, Peter G. Jones and George M. Sheldrick, pp 1971 DOI:10.1039/DT9820001971

Photoelectrochemical behaviour of ruthenium(II) complex layers at a platinum electrode immobilized by the common-ion effect in aqueous electrolyte solution Takeshi Yamamura and Yoshio Umezawa, pp 1977 DOI:10.1039/DT9820001977

Co-ordination chemistry of arenediazoate anions: synthesis and X-ray crystallographic characterisation of -cyclopentadienyl-(anti-p-nitrobenzenediazoato-N1)(triphenylphosphine)nickel(II), [Ni(-C5H5)(PPh3)(ON2C6H4NO2-p)] Fergus J. Lalor, Timothy J. Desmond, George Ferguson and Pik Y. Siew, pp 1981 DOI:10.1039/DT9820001981

Photochemical studies of the alkylammonium molybdates. Part 6. Photoreducible octahedron site of [Mo7O24]6- as determined by electron spin resonance Toshihiro Yamase, pp 1987 DOI:10.1039/DT9820001987

The reaction of hexacarbonylvanadium with aromatic compounds. Part 4. Properties of tetracarbonylvanadium arene cations and the crystal and molecular structure of tetracarbonyl(1,2,4,5-tetramethylbenzene)vanadium(I) hexacarbonylvanadate(1-) Fausto Calderazzo, Guido Pampaloni, Dario Vitali and Pier Francesco Zanazzi, pp 1993 DOI:10.1039/DT9820001993

Anionic tris(cyclopentadienyl)actinide(IV) complexes Kenneth W. Bagnall, Martin J. Plews, David Brown, R. Dieter Fischer, Eberhard Klähne, Günter W. Landgraf and Günter R. Sienel, pp 1999 DOI:10.1039/DT9820001999

Infrared and electronic spectra of matrix-isolated dichlorodioxo- and dibromodioxo-molybdenum(VI) and -tungsten(VI) William Levason, Ramaier Narayanaswamy, J. Steven Ogden, Antony J. Rest and Jeremy W. Turff, pp 2009 DOI:10.1039/DT9820002009

Electron spin resonance and Mössbauer evidence for the trianion [Fe2S2{(SCH2)2C6H4-o}2]3- Peter Beardwood, John F. Gibson, Charles E. Johnson and James D. Rush, pp 2015 DOI:10.1039/DT9820002015

The reactivity of the unsaturated dimeric rhenium complexes [Re2H2(CO)6{(EtO)2POP(OEt)2}] and [Re2H2(CO)6(Ph2PCH2PPh2)]: X-ray crystal structure of [Re2H(CO)6(Ph2PCH2PPh2){µ-NC(H)Me}] David W. Prest, Martin J. Mays and Paul R. Raithby, pp 2021 DOI:10.1039/DT9820002021

Photochemistry of tricarbonyl(1-6--cycloheptatriene)-molybdenum in frozen gas matrices at 12 K. Photodissociation of cycloheptatriene and carbon monoxide ligands Richard H. Hooker and Antony J. Rest, pp 2029 DOI:10.1039/DT9820002029

Electron addition to [Mn2(CO)10] and [Mn2(CO)8(PR3)2] induced by ionizing radiation: an electron spin resonance study Martyn C. R. Symons, Jane Wyatt, Barrie M. Peake, Jim Simpson and Brian H. Robinson, pp 2037 DOI:10.1039/DT9820002037

Low temperature ultraviolet photolysis of various glasses of the pentacyanonitrosylferrate(II) ion, [Fe(CN)5(NO)]2- Martyn C. R. Symons, James G. Wilkinson and Douglas X. West, pp 2041 DOI:10.1039/DT9820002041

Electron structure of [{Ni(5-C5H5)(µ-CO)}2] by He(I) and He(II) photoelectron spectroscopy Gaetano Granotzi, Maurizio Casarin, David Ajò and Domenico Osella, pp 2047 DOI:10.1039/DT9820002047

Preparation and some reactions of [Os5(CO)19]; the molecular structures of [Os5(CO)19] and [Os5(CO)16{P(OMe)3}3] David H. Farrar, Brian F. G. Johnson, Jack Lewis, Paul R. Raithby and Maria J. Rosales, pp 2051 DOI:10.1039/DT9820002051

Stereoselectivity observed upon adduct formation of tris(3-trifluoroacetyl-D-camphorato)- and tris-(3-heptafluorobutyryl-D-camphorato)-europium(III) with formamide and acetamide derivatives Harry G. Brittain, pp 2059 DOI:10.1039/DT9820002059

A nuclear magnetic resonance study of pyramidal atomic inversion in complexes of tricarbonylrhenium(I) halides with saturated and unsaturated thio- and seleno-ethers: an X-ray crystal structure of [Rel(CO)3{MeSe(CH2)2SeMe}] Edward W. Abel, Suresh K. Bhargava, Maqbool M. Bhatti, Kenneth Kite, Mohamed A. Mazid, Keith G. Orrell, Vladimir ik, Bruce L. Williams, Michael B. Hursthouse and K. M. Abdul Malik, pp 2065 DOI:10.1039/DT9820002065

Conformational studies of dithiastannolanes by dynamic nuclear magnetic resonance spectroscopy Edward W. Abel, Suresh K. Bhargava, Keith G. Orrell and Vladimir ik, pp 2073 DOI:10.1039/DT9820002073

Gas-phase molecular structures of bis(difluorothiophosphoryl)-methane, CH2(PF2S)2, and bis(difluorothiophosphoryl) ether, O( PF2S)2, determined by electron diffraction David W. H. Rankin, Michael R. Todd and Manfred Fild, pp 2079 DOI:10.1039/DT9820002079

Reactions of [Os3(µ-H)2(CO)10] with organic azides: structural characterization of [Os3(µ-H)(CO)10(µ-HN3Ph)] and [Os3(µ-H)2(CO)9(µ3-NPh)] Kevin Burgess, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 2085 DOI:10.1039/DT9820002085

Cationic 5-cyclopentadienylpalladium(II) complexes. Compounds of type [Pd(5-C5H5)L2]PF6 containing tertiary phosphines, arsines, and stibines. Crystal and molecular structure of [Pd(5-C5H5)(SbPh3)2]PF6·CH2Cl2 Nicholas K. Roberts, Brian W. Skelton, Allan H. White and Stanley Bruce Wild, pp 2093 DOI:10.1039/DT9820002093

The synthesis of the cluster dianion [Os10C(CO)24]2- by pyrolysis. X-Ray structure analysis of [N(PPh3)2]2[Os10C(CO)24] and [Os5C(CO)14H(NC5H4)] Peter F. Jackson, Brian F. G. Johnson, Jack Lewis, William J. H. Nelson and Mary McPartlin, pp 2099 DOI:10.1039/DT9820002099

Notes. Magnetic and spectroscopic properties of dimeric copper(II)N-benzoylvalinates Luciano Antolini, Ledi Menabue, Paolo Prampolini and Monica Saladini, pp 2109 DOI:10.1039/DT9820002109

Non-template synthesis of new tetra-aza macrocyclic ligands and their cobalt, nickel, and copper complexes: X-ray structure of (5,14,15,16,17,18-hexahydro-7-methyldibenzo[b,i][1,4,8,11]tetra-azacyclotetradecinato) nickel(II) monoperchlorate Christopher W. G. Ansell, M. F. H. Y. J. Chung, Mary McPartlin and Peter A. Tasker, pp 2113 DOI:10.1039/DT9820002113

Synthesis and crystal structure of (S3N3O4)2S, a compound with two six-membered rings bridged by a sulphur atom Herbert W. Roesky, William Clegg, Jürgen Schimkowiak, Martin Schmidt, Michael Witt and George M. Sheldrick, pp 2117 DOI:10.1039/DT9820002117

Synthesis and structural characterization of the complexes [Os3(CO)10(CON3Ph)(NCMe)] and [Os3(CO)10(CON3Ph)(NC5H5)] Kevin Burgess, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 2119 DOI:10.1039/DT9820002119

Preparation and crystal structure of the four-co-ordinate gold(I) complex chlorotris(triphenylphosphine)gold(I) Peter G. Jones, George M. Sheldrick, James A. Muir, Mariel M. Muir and Lillian Bird Pulgar, pp 2123 DOI:10.1039/DT9820002123

Synthesis and X-ray structure of a macrocyclic pentagonal bipyramidal complex of cobalt(II) Christopher W. G. Ansell, Jack Lewis, Paul R. Raithby and John N. Ramsden, pp 2127 DOI:10.1039/DT9820002127

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX039

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX041

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP047

Synthetic, kinetic, and stereochemical studies on the copper(II), nickel(II), and cobalt(III) complexes of 1,4,7,10,13-penta-aza-cyclopentadecane Robert W. Hay, Ramesh Bembi, W. Thomas Moodie and Paul R. Norman, pp 2131 DOI:10.1039/DT9820002131

Kinetics and mechanism of the reduction of penta-amminehalogenocobalt(III) complexes by ruthenium(II) species in aqueous solution Gboyega Daramola, J. Folorunso Ojo, Olusegun Olubuyide and Fidelis Oriaifo, pp 2137 DOI:10.1039/DT9820002137

Slolvent effects on rates and equilibria of chelate ring-closure ring-opening nucleophilic substitution reactions of octahedral rhodium(III) complexes Arnaldo Peloso, pp 2141 DOI:10.1039/DT9820002141

Aquation of Fe-N bonds in pentacyano(ligand)ferrate(2-) ions: electronic and medium effects Pedro J. Morando and Miguel A. Blesa, pp 2147 DOI:10.1039/DT9820002147

Studies of phosphazenes. Part 15. Chloro(phenoxy)cyclotetraphosphazenes, N4P4Cl8-n(OPh)n Kaveripatnam S. Dhathathreyan, Setharmpattu S. Krishnamurthy and Michael Woods, pp 2151 DOI:10.1039/DT9820002151

Studies on transition-metal-peptide complexes. Part 7. Copper(II) complexes of dipeptides containing L-histidine Imre Sóvágó, Etelka Farkas and Arthur Gergely, pp 2159 DOI:10.1039/DT9820002159

Co-ordination compounds of indium. Part 40. Reactions of non-aqueous solutions of inidium(I) halides Clovis Peppe, Dennis G. Tuck and Luis Victoriano, pp 2165 DOI:10.1039/DT9820002165

Linear ordering of oxygen clusters in hyperstoicheiometric uranium dioxide Geoffrey C. Allen and Paul A. Tempest, pp 2169 DOI:10.1039/DT9820002169

Solutions of lithium salts in liquid lithium: interaction between silicon and nitrogen to form the ternary compound, Li5SiN3 Andrew T. Dadd and Peter Hubberstey, pp 2175 DOI:10.1039/DT9820002175

The effect of added halide and thiocyanate ions on the nitroamine-nitrous acid reaction. The oxidation of nitroamine by halogens Martin N. Hughes, Helen L. Wallis and Peter E. Wimbledon, pp 2181 DOI:10.1039/DT9820002181

Kinetics of the oxidation of isopropyl alcohol by bis(2,2-bipyridine)silver(II) ions Malcolm P. Heyward and Cecil F. Wells, pp 2185 DOI:10.1039/DT9820002185

Tris(trimethylsilyl)methyl-lead oxinates: their solvolysis, redistribution, and reductive elimination reactions Frank Glockling and N. M. Nanje Gowda, pp 2191 DOI:10.1039/DT9820002191

Peripheral electrophilic properties of dichloro[NN-ethylenebis(salicylideneiminato)]titanium(IV) : a route leading to a stable Ti-H-B unit Giancarlo Dell'Amico, Fabio Marchetti and Carlo Floriani, pp 2197 DOI:10.1039/DT9820002197

Cyclopentadienyl-ruthenium and -osmium chemistry. Part 20. Synthesis and X-ray structure of a cationic ruthenium-vinylidene complex, [Ru(CCHMe)(PMe3)2(-C5H5)]PF6 Michael I. Bruce, Fook Sin Wong, Brian W. Skelton and Allan H. White, pp 2203 DOI:10.1039/DT9820002203

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 1. Preparation and properties of the diene, and of derivatives containing the alkali metals or thallium(I): crystal and molecular structures of HC5(CO2Me)5, Li[C5(CO2Me)5]·H2O, K[C5(CO2Me)5]·MeOH, and Tl[C5CO2Me)5] Michael I. Bruce, Jennifer K. Walton, Michael L. Williams, Sydney R. Hall, Brian W. Skelton and Allan H. White, pp 2209 DOI:10.1039/DT9820002209

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 2. Some derivatives containing the alkaline-earth metals (Mg, Ca, Sr, or Ba) or Group 2 metals (Zn or Cd). Crystal and molecular structure of Ba[C5(CO2Me)5]2 Michael I. Bruce, Jennifer K. Walton, Brian W. Skelton and Allan H. White, pp 2221 DOI:10.1039/DT9820002221

Pentakis(methoxycarbonyl)cyclopentadiene chemistry. Part 3. Synthesis and crystal structure of the trivalent metal complex [Cr{C5(CO2Me)5}3]·ca.3.75H2O Michael I. Bruce, Jennifer K. Walton, Brian W. Skelton and Allan H. White, pp 2227 DOI:10.1039/DT9820002227

Studies on mixed metal(II)-iron(II) chloride systems. Part 1. Mössbauer and X-ray powder diffraction data for MxFe1-xCl2·4H2O (M = Mn, Co, or Ni; x= 0-0.75) systems Bella Y. Enwiya, Jack Silver and Ian E. G. Morrison, pp 2231 DOI:10.1039/DT9820002231

Resonance Raman spectroscopic studies on the Group 6B polyatomic cations S42+, Se42+, and Te42+ Robin J. H. Clark, Trevor J. Dines and Lindsay T. H. Ferris, pp 2237 DOI:10.1039/DT9820002237

Isomeric hypho-boranes. Properties and molecular structures of the adducts B5H9·L (L = Ph2PCH2PPh2, Ph2PCH2CH2PPh2, or Me2NCH2CH2NMe2) and B4H8·L (L = Me2NCH2CH2NMe2) Nathaniel W. Alcock, Howard M. Colquhoun, Gerald Haran, Jeffrey F. Sawyer and Malcolm G. H. Wallbridge, pp 2243 DOI:10.1039/DT9820002243

Synthesis and molecular structure of [Au4Cl8], and the isolation of [Pt(CO)Cl5]- in thionyl chloride Daniela Belli Dell'Amico, Fausto Calderazzo, Fabio Marchetti and Stefano Merlino, pp 2257 DOI:10.1039/DT9820002257

Substitution and isomerisation reactions at platinum(II) involving halide, tertiary phosphine, carbonyl, and lsonitrile ligands Ronald J. Cross and Ian G. Phillips, pp 2261 DOI:10.1039/DT9820002261

The synthesis and nuclear magnetic resonance spectroscopic study of [Rh10S(CO)22]2- Luigi Garlaschelli, Alessandro Fumagalli, Secondo Martinengo, Brian T. Heaton, David O. Smith and Luisella Strona, pp 2265 DOI:10.1039/DT9820002265

Thermodynamics of the semiconductor-metal transition in the lanthanide monosulphides D. A. Johnson, pp 2269 DOI:10.1039/DT9820002269

Stereochemically non-rigid silanes, germanes, and stannanes. Part 11. Mechanistic implications of diastereotopic effects induced in methylcyclopentadienyl, indenyl, and pentamethylcyclopentadienyl ring systems by chiral tin substituents A. D. (Lex) McMaster and Stephen R. Stobart, pp 2275 DOI:10.1039/DT9820002275

The reaction of tetrachloromethane with oct-1-ene in the presence of [Mo2(CO)6(5-C5H5)2] and other transition-metal complexes Reg Davis and Ian F. Groves, pp 2281 DOI:10.1039/DT9820002281

Interaction of vanadyl acetylacetonate with solvents: the 51V hyperfine interaction in mixtures of ethanol and carbon tetrachloride Neil M. Atherton, Peter J. Gibbon and M. Candida B. Shohoji, pp 2289 DOI:10.1039/DT9820002289

Notes. Synthesis and characterization of a new sulphate derivative of hydrazine, N2H5HSO4 Kashinath C. Patil and Jagadese P. Vittal, pp 2291 DOI:10.1039/DT9820002291

A convenient route to complexes of the type [MoO(SR)4]-(R = aryl) and [MoO{S(CH2)nS}2]-(n= 2 or 3) preparation and crystal structure of [PPh4][Mo(NNMe2)O(SC6H5)3]·(C2H5)2O R. J. Burt, J. R. Dilworth, G. J. Leigh and J. A. Zubieta, pp 2295 DOI:10.1039/DT9820002295

Photochromism in organomercury(II) dithizonates Alan T. Hutton and Harry M. N. H. Irving, pp 2299 DOI:10.1039/DT9820002299

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX043

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FX045

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200FP051

Mechanism of migration of ancillary ligands in binuclear palladium(II) allyl complexes Bruno Crociani, Paolo Uguagliati, Umberto Belluco and Marino Nicolini, pp 2303 DOI:10.1039/DT9820002303

Some dichloro Schiff base complexes of molybdenum(IV) Chi-Tat Kan, pp 2309 DOI:10.1039/DT9820002309

Complex formation between antimony trifluoride and alkali-metal sulphates: the X-ray crystal structure of K2SO4·SbF3 and antimony-121 Mössbauer studies of some related compounds Thomas Birchall, Bernard Ducourant, Robert Fourcade and Guy Mascherpa, pp 2313 DOI:10.1039/DT9820002313

Crystal structure of bis(trimethylphosphine)iminium bromide monohydrate, [Me3PNPMe3]Br·H2O David W. H. Rankin, Malcolm D. Walkinshaw and Hubert Schmidbaur, pp 2317 DOI:10.1039/DT9820002317

Sulphur-substituted organotin compounds. Part 8. Preparation and reactions of 3-(p-tolylthio)propyl- and 4-(p-tolylthio)butyl-triphenyltin. Interactions with tetracyanoethylene James L. Wardell and John McM. Wigzell, pp 2321 DOI:10.1039/DT9820002321

Enthalpies of formation of complexes [Ti(-C5H5)2(N3)2] and [Ti(-C5H5)2(NC8H6)2] Maria J. Calhorda, Rute Gomes da Costa, Alberto R. Dias and José A. Martinho Simões, pp 2327 DOI:10.1039/DT9820002327

Ligands for the alkali metals. Part 6. Some bis(crown) Schiff bases which form pocket complexes with alkali-metal cations of appropriate size Timothy M. Handyside, Joyce C. Lockhart, Martin B. McDonnell and P. V. Subba Rao, pp 2331 DOI:10.1039/DT9820002331

Derivatives of NPCl2(NSOCl) and (NPCl2)2 NSOCl. Part 19. Reactions of (NPCl2)2NSOCl with secondary amines Barteld de Ruiter, Hillrich H. Baalmann and Johan C. van de Grampel, pp 2337 DOI:10.1039/DT9820002337

Metal complexes of sulphur ligands. Part 22. Reaction of platinum(II) and palladium(II)NN-dialkyldithiocarbamates with diphenylphosphine chalcogenides David M. Anderson, E. A. V. Ebsworth, T. Anthony Stephenson and Malcolm D. Walkinshaw, pp 2343 DOI:10.1039/DT9820002343

Transition-metal chemical shifts in complexes of molybdenum(0) and tungsten(0) Geoffrey T. Andrews, Ian J. Colquhoun, William McFarlane and Samuel O. Grim, pp 2353 DOI:10.1039/DT9820002353

{Glyoxal bis[(2S)-pyrrolidin-2-ylmethylimine]}metal tetrachlorometallate complexes. The detection of polynuclear complex formation in solution by circular dichroism Akira Nakamura, Yoshihiko Mori and Nobuki Oguni, pp 2359 DOI:10.1039/DT9820002359

The trans influence in platinum chemistry. A platinum-195 nuclear magnetic resonance study of [15N]nitrito-, chloro-, and bromo-platinum-(II) and -(IV) complexes S. John S. Kerrison and Peter J. Sadler, pp 2363 DOI:10.1039/DT9820002363

Copper(II) dimers in solution: evidence for motional averaging of coupling tensors without chemical dissociation Charles Eric Brown, D. Warren Vidrine, Robert L. Julian and Wojciech Froncisz, pp 2371 DOI:10.1039/DT9820002371

Some new and recent ferrocene- and ruthenocene-centred reagents for n-type silicon surfaces in photoelectrochemical use Alexander J. Blake, F. Rudolph Mayers, Anthony G. Osborne and David R. Rosseinsky, pp 2379 DOI:10.1039/DT9820002379

Reactions of -allyltricarbonylhalogenoiron complexes and synthesis of new organoiron compounds Kamalendu Dey, Dhananjoy Koner and Satyabrata Ray, pp 2385 DOI:10.1039/DT9820002385

MeNC Insertion into Pd-C6F5 bonds: bis(µ-imidoyl-C,N)palladium complexes, a novel type of imidoyl co-ordination in palladium chemistry. Single-crystal X-ray structure of [Pd2{µ-C(C6F5)N(Me)}2Cl2(SC4H8)2] Rafael Usón, Juan Forniés, Pablo Espinet, Elena Lalinde, Peter G. Jones and George M. Sheldrick, pp 2389 DOI:10.1039/DT9820002389

Chemistry of cis-bis(2,2-bipyridine)dicarbonyl-molybdenum(0) and -tungsten(0). Substitution reactions with phosphorus donor ligands and with lsocyanides Joseph A. Connor and Colin Overton, pp 2397 DOI:10.1039/DT9820002397

Photochemistry of cis-[Co(en)2(NO2)2]+ in acetonitrile P. Natarajan and A. Radhakrishnan, pp 2403 DOI:10.1039/DT9820002403

A Mössbauer spectroscopic study of the lodides of europium Charles M. Jenden and Samuel J. Lyle, pp 2409 DOI:10.1039/DT9820002409

The [PtCl2(SnCl3)2]2- ion: crystal structure of two salts Nathaniel W. Alcock and John H. Nelson, pp 2415 DOI:10.1039/DT9820002415

Magnetic properties and molecular structure of complexes of substituted pyrazine ligands co-ordinated to iron(II) and copper(II) low dimensional antiferromagnetic interactions in diaquabis(pyrazinecarboxylato)iron(II) Cheryl L. Klein, Charles J. O'Connor, Richard J. Majeste and Louis M. Trefonas, pp 2419 DOI:10.1039/DT9820002419

Dissociation of strong acids in aqueous solutions Djordje M. Petkovi, pp 2425 DOI:10.1039/DT9820002425

The structural reformulation of [ Ru2Cl4(Me2SO)5] Graham A. Heath, Alan J. Lindsay and T. Anthony Stephenson, pp 2429 DOI:10.1039/DT9820002429

Crystal and molecular structure and magnetic properties of a tetrameric copper(II) complex with 3-hydroxy-5-hydroxymethyl-4-(4-hydroxy-3-methyl-4-phenyl-2-azabut-1-en-1-yl)-2-methylpyridine (H2L) : [Cu4L4]·8MeOH, a complex with a ferromagnetic ground state Jean-Pierre Laurent, Jean-Jacques Bonnet, Francoise Nepveu, Harald Astheimer, Leonhard Walz and Wolfgang Haase, pp 2433 DOI:10.1039/DT9820002433

Mixed-valence fluoropolytungstates C. Sanchez, J. Livage, P. Doppelt, F. Chauveau and J. Lefebvre, pp 2439 DOI:10.1039/DT9820002439

Fast reactions at planar four-co-ordinate complexes. Part 5. The solvent effect on the leaving group in the reactions of neutral and cationic palladium(II) complexes Matteo Cusumano, Antonino Giannetto, Giovanni Guglielmo and Vittorio Ricevuto, pp 2445 DOI:10.1039/DT9820002445

New platinum hydrido acetylides. Crystal and molecular structure of [PtH{CC-C(OH)MeEt}(PPh3)2] Anita Furlani, Silvia Licoccia, Maria V. Russo, Angiola Chiesi Villa and Carlo Guastini, pp 2449 DOI:10.1039/DT9820002449

Synthesis of six-co-ordinate technetium(V) complexes with N-phenylsalicylideneimine. X-Ray crystal structure of chloro-oxobis(N-phenylsalicylideneiminato)technetium(V) Giuliano Bandoli, Ulderico Mazzi, Dore A. Clemente and Edoardo Roncari, pp 2455 DOI:10.1039/DT9820002455

Transition-metal silacyclohexyl derivatives. Crystal and molecular structure of carbonyl(-cyclopentadienyl)(1 -phenyl-1 -silacyclohex-1 -yl)-(triphenylphosphine)iron(II) Rupert D. Holmes-Smith, Stephen R. Stobart, Jerry L. Atwood and William E. Hunter, pp 2461 DOI:10.1039/DT9820002461

Bonding in clusters. Part 5. The electronic, molecular, and crystal structure of 1,10-B10H8(N2)2: a combined theoretical, photoelectron, and X-ray crystallographic study Tom Whelan, Paul Brint, Trevor R. Spalding, Walter S. McDonald and D. Robert Lloyd, pp 2469 DOI:10.1039/DT9820002469

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 14. Triangulo-metal complexes containing tungsten with iron, cobalt, rhodium, or nickel and a capping tolylidyne ligand; crystal structure of the complex [RhFeW(µ3-CC6H4Me-4)(µ-CO)(CO)5(-C5H5)(-C9H7)] Michael Green, John C. Jeffery, Simon J. Porter, Hayat Razay and F. Gordon A. Stone, pp 2475 DOI:10.1039/DT9820002475

Synthesis, structure, and reactions of a new dimer of molybdenocene, and related bi- and tri-nuclear compounds; molecular structures of [H(5-C5H5)2Mo(µ-:5-C5H4)Mo(5-C5H5)], [(5-C5H5)(OC)Mo(µ-5:-C5H4)Mo(CO)2(5-C5H5)], and [{Mo(5-C5H5)}2(µ-5-C5H4-5-C5H4)H3]PF6 Jim Bashkin, Malcolm L. H. Green, Manuel L. Poveda and Keith Prout, pp 2485 DOI:10.1039/DT9820002485

Photochemical studies on binuclear hydrido-molybdenocene compounds Maria del Carmen Barral, Malcolm L. H. Green and Reyes Jimenez, pp 2495 DOI:10.1039/DT9820002495

Uptake of amino-acids by zirconium phosphates. Part 2. Intercalation of L-histidine, L-lysine, and L-arginine by -zirconium phosphate Tsuyoshi Kijima, Seiichi Ueno and Masaru Goto, pp 2499 DOI:10.1039/DT9820002499

Electronic, infrared, and resonance-Raman spectroscopic studies of the linear-chain, halogen-bridged, mixed-valence complexes [Pt(NH3)4][Pt(NH3)4X2]Y4(X = Br or I, Y = HSO4, ClO4, or BF4). The X-ray crystal structures of [Pt(NH3)4][Pt(NH3)4Br2][HSO4]4 and [Pt(NH3)4][Pt(NH3)4I2][HSO4]3[OH]·H2O Robin J. H. Clark, Mohamedally Kurmoo, Anita M. R. Galas and Michael B. Hursthouse, pp 2505 DOI:10.1039/DT9820002505

On the nature of partially oxidised magnus green Robin J. H. Clark and Mohamedally Kurmoo, pp 2515 DOI:10.1039/DT9820002515

Synthetic pathways in binuclear molybdenum chemistry: µ-acetato-, chloro-, and tertiary phosphine derivatives; X-ray structure determination of trans-[{MoCl(PBun3)(µ-O2CMe)}2] Malcolm L. H. Green, Gerard Parkin, Jim Bashkin, John Fail and Keith Prout, pp 2519 DOI:10.1039/DT9820002519

Condensation of ammonium phosphates with urea at 120 °C John Emsley and Shahida Niazi, pp 2527 DOI:10.1039/DT9820002527

Ab initio calculations on the bonding properties of isonitrile and nitrile ligands James A. S. Howell, Jean-Yves Saillard, Albert Le Beuze and Gerard Jaouen, pp 2533 DOI:10.1039/DT9820002533

Notes. Complexes derived from phthalonitrile. The intermediates to nickel phthalocyaninate Chiu Her Yang and Chau-ting Chang, pp 2539 DOI:10.1039/DT9820002539

Structural, spectroscopic, and magnetic properties of diaqua(L-aspartato)nickel(II) hydrate Luciano Antolini, Ledi Menabue, Gian Carlo Pellacani and Giuseppe Marcotrigiano, pp 2541 DOI:10.1039/DT9820002541

Structure of bis(5,6,11,12-tetrahydro-2,8-dimethylphenhomazine)-nickel(II) perchlorate M. Sakhawat Hussain, pp 2545 DOI:10.1039/DT9820002545

Relation between cobalt-carbon bond lengthening and conformational changes in octahedral neopentylcobaloximes. Crystal and molecular structure of bis(dimethylglyoximato)neopentyl(trimethylphosphine)cobalt(III) Nevenka Bresciani-Pahor, Mario Calligaris, Giorgio Nardin and Lucia Randaccio, pp 2549 DOI:10.1039/DT9820002549

13C-{103RH} Nuclear magnetic resonance studies and fluxional behaviour of the nickel capped rhodium cluster [NiRh6(CO)16]2- Brian T. Heaton, Roberto Della Pergola, Luisella Strona, David O. Smith and Alessandro Fumagalli, pp 2553 DOI:10.1039/DT9820002553

Synthesis and X-ray structure of a cobalt(II) complex of a negatively charged quinquedentate macrocyclic ligand Christopher W. G. Ansell, Jack Lewis and Paul R. Raithby, pp 2557 DOI:10.1039/DT9820002557

Electrochemical behaviour of dinitrosylbis(triethyl phosphite)-cobalt(I) tetraphenylborate in acetonitrile Renato Seeber, Gabriele Albertin and Gian-Antonio Mazzocchin, pp 2561 DOI:10.1039/DT9820002561

A new type of pyrrole co-ordination : µ3-pyrrole-2,3-diyl triosmium complexes Candido Choo Yin and Antony J. Deeming, pp 2563 DOI:10.1039/DT9820002563

Thermodynamic stabilities of cobalt(II), nickel(II), and copper(II) complexes of O2N2-donor macrocyclic ligands Bing Wang and Chung-Sun Chung, pp 2565 DOI:10.1039/DT9820002565

Letters Hans Peter Jensen and T. Neil M. Waters, pp 2567 DOI:10.1039/DT9820002567

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98200BX047