1986 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP001

Instructions for authors (1986) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT986000000v

IUPAC publications on nomenclature and symbolism J. Chem. Soc., Dalton Trans. DOI:10.1039/DT9860000xxi

Stability and structure of some binary and mixed-ligand complexes of zinc(II) M. Sivasankaran Nair, M. Sankaranarayana Pillai and S. K. Ramalingam, pp 1 DOI:10.1039/DT9860000001

Spectroscopic studies on adsorbed metal carbonyls. Part 3. Interaction of [Os3(CO)12] with silica, alumina, and titania Stephen L. Cook, John Evans, Gregory S. McNulty and G. Neville Greaves, pp 7 DOI:10.1039/DT9860000007

Di- and tetra-nuclear mixed-valence complexes of rhodium(III,I) and rhodium(III)-iridium(I) with the 2,2-bi-imidazolate(2-) anion (bim) as bridging ligand. Crystal structure of [{(-C5Me5)[P(OEt)3]Rh(bim)Rh(nbd)}2][ClO4]2 Luis A. Oro, Daniel Carmona, M. Pilar Lamata, Antonio Tiripicchio and Fernando J. Lahoz, pp 15 DOI:10.1039/DT9860000015

Homogeneous catalysis on metal clusters. The isomerization and selective hydrogenation of dienes, alkenes, and alkynes in the presence of [(-C5H5)NiOs3(µ-H)3(CO)9] and [(-C5H5)NiOs3(µ-H)3(CO)8L][L = PPh2H or P(C6H4Me-o)3]. Spectroscopic identification of the reaction intermediates and X-ray structure of [Os3(µ-H)(CO)9(MeCCHCMe)] Mario Castiglioni, Roberto Giordano, Enrico Sappa, Antonio Tiripicchio and Marisa Tiripicchio Camellini, pp 23 DOI:10.1039/DT9860000023

Mixed-valence pyrazolate rhodium complexes. Molecular structure of [(C5Me5)ClRhCl(pz)Rh(tfb)]·CH2Cl2(Hpz = pyrazole; tbf = tetrafluorobenzobarrelene) Luis A. Oro, Daniel Carmona, Josefa Reyes, Concepción Foces-Foces and Félix H. Cano, pp 31 DOI:10.1039/DT9860000031

The uncatalysed and copper(II) promoted hydrolysis of 4-nitrophenyl glycinate Robert W. Hay and Arup K. Basak, pp 39 DOI:10.1039/DT9860000039

The crystal structure of calcium 1,1-dicyanoethylene-2,2-dithiolate pentahydrate Christian Wolf and Hans-U. Hummel, pp 43 DOI:10.1039/DT9860000043

Preparation and complexation of polydentate and macrocyclic ligands incorporating benzimidazole. X-Ray crystal structure of 6,7,9,10,12,13,15,16-octahydro-23H,25H-bis(benzimidazo[1,2-j:2,1-o])[1,4,7,13,10,16]tetraoxadiazacyclo-octadecine William Clegg, Joyce C. Lockhart and Faleh H. Musa, pp 47 DOI:10.1039/DT9860000047

Reactions of the multiply bonded dirhenium complexes [Re2X4(L-L)2]n+(X = Cl or Br, L-L = Ph2PCH2CH2PPh2 or Ph2PCH2CH2AsPh2; n= 0 or 1) with isocyanides and nitriles. Reaction without metal-metal bond disruption Lori Beth Anderson, Stephen M. Tetrick and Richard A. Walton, pp 55 DOI:10.1039/DT9860000055

Uptake of amino-acids by zirconium phosphate. Part 3. Intercalation of L-histidine, L-lysine, and L-aginine by -zirconium phosphate Tsuyoshi Kijima and Seiich Ueno, pp 61 DOI:10.1039/DT9860000061

Protonation reactions of the mononuclear rhenium polyhydride complexes [ReH7(PPh3)2], [ReH5(PPh3)2L](L = unidentate ligand), and [ReH4I(PPh3)3] Joe D. Allison, Gregory A. Moehring and Richard A. Walton, pp 67 DOI:10.1039/DT9860000067

Synthesis and structural characterisation of some tetrahedral platinum-gold cluster compounds containing the sulphur dioxide ligand D. Michael P. Mingos and Robert W. M. Wardle, pp 73 DOI:10.1039/DT9860000073

A kinetic study of the gas-phase thermolysis of tetraborane(10) Robert Greatrex, Norman N. Greenwood and Christopher D. Potter, pp 81 DOI:10.1039/DT9860000081

N,N-dimethyl(trimethylsilyl)amine: crystal and molecular structure at 116 K and gas phase structure by electron diffraction Alexander J. Blake, E. A. V. Ebsworth, David W. H. Rankin, Heather E. Robertson, D. Ewan Smith and Alan J. Welch, pp 91 DOI:10.1039/DT9860000091

Crystal and molecular structure and magnetic properties of tris{di-µ-methoxo-bis[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionato]dicopper(II)} Zofía Olejnik, Bogustawa Jeowska-Trzebiatowska and Tadeusz Lis, pp 97 DOI:10.1039/DT9860000097

Transition-metal derivatives of arenediazonium ions. Part 12. Complexes derived from pyrazole-4-diazonium and 3-pyrazolin-5-one-4-diazonium cations. X-Ray crystallographic characterisation of a sterically distorted organodiazenido-complex: dicarbonyl(3,5-dimethylpyrazol-4-yl-diazenido)tris(pyrazol-1-yl)methanemolybdenum(II) tetrafluoroborate-diethyl ether (1/1) Fergus J. Lalor, David M. Condon, George Ferguson, Masood Parvez and Pik Yuen Siew, pp 103 DOI:10.1039/DT9860000103

Reactions of benzene-ruthenium(II) complexes with pyrazoles. Possible formation of amidine complexes [Ru(-C6H6){NHCMe(R2pz)}(R2Hpz)]2+(R = H or Me, Hpz = pyrazole) Christopher J. Jones, Jon A. McCleverty and Anne S. Rothin, pp 109 DOI:10.1039/DT9860000109

Diformatosilane: preparation, characterisation, and molecular structure in the gas phase by electron diffraction David G. Anderson and Stephen Cradock, pp 113 DOI:10.1039/DT9860000113

Hydrazinium as a ligand: structural, thermal, spectroscopic, and magnetic studies of hydrazinium lanthanide di-sulphate monohydrates; crystal structure of the neodymium compound Subbiah Govindarajan, Kashinath C. Patil, Hattikudur Manohar and Per-Erik Werner, pp 119 DOI:10.1039/DT9860000119

The charge density in dichlorotetrakis(thiourea)nickel(II), [Ni{SC(NH2)2}4Cl2]: a contrast between spectroscopy and diffraction Brian N. Figgis and Philip A. Reynolds, pp 125 DOI:10.1039/DT9860000125

Reaction intermediates of cis-diammineaqua(hydroxo)platinum(II) with guanosine 5-monophosphate characterized by proton nuclear magnetic resonance spectroscopy Yueh-Tai Fanchiang, pp 135 DOI:10.1039/DT9860000135

He I and He II photoelectron spectra of trans-[MCl2L2](M = Pd, L = PEt3 or AsEt3; M = Pt, L = NMe3, PMe3, PEt3, or AsEt3) and trans-[PtH(Cl)(PEt3)2], and Hartree-Fock-Slater calculations on model compounds Jaap N. Louwen, Rudy Hengelmolen, David M. Grove, Derk J. Stufkens and Ad Oskam, pp 141 DOI:10.1039/DT9860000141

Binuclear methylplatinum(II) complexes. The molecular structure and fluxional behaviour of the face-to-face dimer [Pt2I2Me2(µ-Me2PCH2PMe2)2] Ljubica Manojlovi-Muir, Samson S. M. Ling and Richard J. Puddephatt, pp 151 DOI:10.1039/DT9860000151

Kinetic and mechanistic studies on the reaction of dioxygen with hexa-aquamolybdenum(III) Elaine F. Hills, Paul R. Norman, T. Ramasami, David T. Richens and A. Geoffrey Sykes, pp 157 DOI:10.1039/DT9860000157

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 39. Interconversion of ethylidyne, ethylidene, vinyl, and ethylene groups at a platinum-tungsten centre; X-ray crystal structure of [PtW(µ-CO)2(PEt3)2(-C2H4)(-C5H5)][BF4] M. Rasol Awang, John C. Jeffery and F. Gordon A. Stone, pp 165 DOI:10.1039/DT9860000165

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 40. Transformation of terminally bound alkylidyne ligands to µ-alkylidene, µ-vinyl, µ-alkyl, and µ-aryl groups at a bimetal centre; X-ray crystal structures of [N(PPh3)2][ReW(µ-CHR)(CO)9], [ReW(µ-CH2R)(µ-Me2PCH2PMe2)(CO)7], and [ReW(µ-OCCH2R)(µ-Ph2PCH2PPh2)(CO)6{P(OMe)3}](R = C6H4Me-4) John C. Jeffery, A. Guy Orpen, F. Gordon A. Stone and Michael J. Went, pp 173 DOI:10.1039/DT9860000173

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 41. Synthesis of alkylidynetungsten complexes with (pyrazol-1-yl)borato ligands; crystal structures of [W(CC6H4Me-4)(CO)2{B(pz)4}], [Rh2W(µ3-CC6H4Me-4)(µ-CO)(CO)2(-C9H7)2{HB(pz)3}]·CH2Cl2 and [FeRhW(µ3-CC6H4Me-4)(µ-MeC2Me)(CO)4(-C9H7){HB(pz)3}] Michael Green, Judith A. K. Howard, Alun P. James, Christine M. Nunn and F. Gordon A. Stone, pp 187 DOI:10.1039/DT9860000187

Formation and stability of ternary complexes of copper(II) with ethylenediamine-N-acetic acid and amino acids in aqueous solution Enrico Leporati, pp 199 DOI:10.1039/DT9860000199

Fluxional characteristics of palladium(II) halide complexes of cyclic selenoethers. A dynamic nuclear magnetic resonance study Edward W. Abel, Thomas E. MacKenzie, Keith G. Orrell and Vladimir ik, pp 205 DOI:10.1039/DT9860000205

Refereeing procedure and policy (1986) J. Chem. Soc., Dalton Trans. DOI:10.1039/DT986000xxiv

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX003

Issue 2

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP005

New diazenido-complexes of molybdenum(IV), tungsten(IV), and rhenium(III) Hapipah Mohd. Ali and G. Jeffery Leigh, pp 213 DOI:10.1039/DT9860000213

Solution dynamics of the reversible carbonyl-phosphorus ligand exchange in [(OC)4Mo(µ-PEt2)2Mo(CO)4]: kinetic parameters as a measure of the relative steric hindrance of phosphines and phosphites Marino Basato, pp 217 DOI:10.1039/DT9860000217

Syntheses, structures, and bonding of heteropentametallic clusters [MCo3(CO)12{µ3-M(EPh3)}](M = Fe or Ru; M= Cu or Au; E = P or As): X-ray crystal structures of [RuCo3(CO)12{µ3-M(PPh3)}](M= Cu or Au) Pierre Braunstein, Jacky Rosé, Alain Dedieu, Yves Dusausoy, Jean-Paul Mangeot, Antonio Tiripicchio and Marisa Tiripicchio-Camellini, pp 225 DOI:10.1039/DT9860000225

Effects of mixed-ligand complex formation on deprotonation of amide groups in acid amides and peptides Imre Sóvágó, Béla Harman, Arthur Gergely and Barbara Radomska, pp 235 DOI:10.1039/DT9860000235

Thermal stability of cadmium-calcium hydroxyapatite solid solutions Adriana Bigi, Massimo Gazzano, Alberto Ripamonti, Elisabetta Foresti and Norberto Roveri, pp 241 DOI:10.1039/DT9860000241

Dinitrogen complexes of tungsten with bulky phosphine co-ligands. Preparation and crystal structures of [{W(N2)2(PEt2Ph)3}2(µ-N2)],trans-[W(N2)2(PEt2Ph)4]·C4H8O, and [W(6-C6H5PPrn2)(N2)(PPrn2Ph)2] and their reactions to give hydrazine or ammonia Stewart N. Anderson, Raymond L. Richards and David L. Hughes, pp 245 DOI:10.1039/DT9860000245

Preparation, spectroscopic characterisation, electrochemical and photochemical properties of cis-bis(2,2-bipyridyl)carbonylruthenium(II) complexes John M. Kelly, Catherine M. O'Connell and Johannes G. Vos, pp 253 DOI:10.1039/DT9860000253

Crown-shaped tetrametallic imidoyl complexes of palladium. X-Ray crystal structure of [{[Pd2{µ-C(C6F5)NMe}2](µ-Cl)(µ-MeCO2)}2] Rafael Usón, Juan Forniés, Pablo Espinet, Elena Lalinde, Augustín García, Peter G. Jones, Karen Meyer-Bäse and George M. Sheldrick, pp 259 DOI:10.1039/DT9860000259

Pillaring of layers in -zirconium phosphate by 1,10-phenanthroline and bis(1,10-phenanthroline)copper(II): formation of complex pillars in situ Carla Ferragina, Maria A. Massucci, Pasquale Patrono, Aldo La Ginestra and Anthony A. G. Tomlinson, pp 265 DOI:10.1039/DT9860000265

The syntheses, structures, and electronic and resonance-Raman spectroscopy of halogen-bridged platinum(II,IV) chain complexes involving equatorially co-ordinated terdentate amines: X- ray crystal structure of [PtII(Me-dien)I][PtIV(Me-dien)I3]I2, and spectroscopy of [PtII(dien)(NO2)][PtIV(dien)(NO2)Br2]Br2 Francesco P. Fanizzi, Giovanni Natile, Maurizio Lanfranchi, Antonio Tiripicchio, Robin J. H. Clark and Mohamedally Kurmoo, pp 273 DOI:10.1039/DT9860000273

Synthesis and characterisation of tungsten and rhenium aluminopolyhydrides: X-ray crystal structures of (Me3P)3H3W(µ-H)2Al(H)(µ-OBun)2Al(H)(µ-H)2WH3(PMe3)3 and (Me3P)3H3W(µ-H)2Al(H)(µ-H)2WH3(PMe3)3 Andrew R. Barron, David Lyons, Geoffrey Wilkinson, Majid Motevalli, Andrew J. Howes and Michael B. Hursthouse, pp 279 DOI:10.1039/DT9860000279

Tertiary phosphine aluminohydride complexes of ruthenium(II) and osmium(II) Andrew R. Barron and Geoffrey Wilkinson, pp 287 DOI:10.1039/DT9860000287

Mono- and bi-nuclear gold(I), gold(II), and gold(III) perhalogenoaryl complexes with the ligand bis(diphenylphosphino)amine. Crystal and molecular structure of µ-[bis(diphenylphosphino)amine]-dichlorobis(pentafluorophenyl)digold(II) Rafael Usón, Antonio Laguna, Mariano Laguna, M. Nieves Fraile, Peter G. Jones and George M. Sheldrick, pp 291 DOI:10.1039/DT9860000291

Structure of 2,2-dibutyl-1,3,2-dioxastannolane in the solid state Alwyn G. Davies, Allan J. Price, Helen M. Dawes and Michael B. Hursthouse, pp 297 DOI:10.1039/DT9860000297

Polyhedral phosphaborane chemistry: crystal and molecular structure of the diphenylphosphido-bridged arachno-decaboranyl cluster compound [PMePh3][6,9-µ-(PPh2)B10H12] Mark Thornton-Pett, Michael A. Beckett and John D. Kennedy, pp 303 DOI:10.1039/DT9860000303

Interaction of metal ions with 2-deoxyribonucleotides. Crystal and molecular structure of a cobalt(II) complex with 2-deoxyinosine 5-monophosphate M. Damodara Poojary and Hattikudur Manohar, pp 309 DOI:10.1039/DT9860000309

Diaquadifluorobis(nicotinamide)copper(II) tetrahydrate: hydrogen bonding between ligand fluoride and lattice water John Emsley, Naser M. Reza, Helen M. Dawes and Michael B. Hursthouse, pp 313 DOI:10.1039/DT9860000313

Co-ordination chemistry of higher oxidation states. Part 17. Synthesis and properties of nickel(IV) complexes with neutral ligands, and structures of [Ni{o-C6H4(EMe2)2}2Cl2][ClO4]n(E = P or As; n= 1 or 2) by nickel K-edge extended X-ray absorption fine structure Simon J. Higgins, William Levason, Martinus C. Feiters and Andrew T. Steel, pp 317 DOI:10.1039/DT9860000317

Solvated electrons and electron-cation aggregates in solutions of the alkali metals in 12-crown-4 Roderick N. Edmonds, Dolores M. Holton and Peter P. Edwards, pp 323 DOI:10.1039/DT9860000323

Monocarbonyl complexes of iron(II): preparation and properties Gabriele Albertin, Daniela Baldan and Emilio Bordignon, pp 329 DOI:10.1039/DT9860000329

Binding equilibria and catalase-like reactivity of deuteroferrihaem-poly-L-lysine complexes Mario Barteri, Peter Jones and Orietta Mantovani, pp 333 DOI:10.1039/DT9860000333

Preparation and properties of bis(acetonitrile)iodine(I) hexafluoromolybdate(V) and hexafluorouranate(V) Gerard M. Anderson and John M. Winfield, pp 337 DOI:10.1039/DT9860000337

Synthesis of [Re(-C6H6)(5-C8H11)], [Re(-C6H6)(5-C8H11)H]BF4, and [Re(-C6H6)(4-C8H12)Ph] using rhenium atoms: characterization by application of a modified heteronuclear 13C-1H J-resolved two-dimensional nuclear magnetic resonance experiment Andrew E. Derome, Malcolm L. H. Green and Dermot O'Hare, pp 343 DOI:10.1039/DT9860000343

Formamide as a precursor to cyanide in mixed-valence copper(I,II) cyanide complexes Joseph A. Connor, Danuta Gibson and Raymond Price, pp 347 DOI:10.1039/DT9860000347

Preparation, properties, and X-ray crystal structure of tris(O,O-di-isopropyl phosphorodithioato)iron(III), [Fe{S2P(OPri)2}3]. Comparison of structure and bonding in phosphorodithioato- and dithiocarbamato-complexes Michael G. B. Drew, William A. Hopkins, Philip C. H. Mitchell and Terence Colclough, pp 351 DOI:10.1039/DT9860000351

Some oxygen-donor complexes of acetylacetonatotrichlorothorium(IV), bis(acetylacetonato)-dichloro- and -di-N-thiocyanato-thorium(IV) and -uranium(IV) Abdul Ghany M. Al-Daher and Kenneth W. Bagnall, pp 355 DOI:10.1039/DT9860000355

Reactivity of cyclopalladated compounds. Part 11. Reactions of five-versus seven-membered cyclopalladated rings with phosphine ligands. Crystal structures of [(NMe2CH2C6H4)Pd{C(CF3)C(CF3)C6H4CH2NMe2}(PMe2Ph)] and [(NMe2CH2C6H4)Pd{C(CF3)C(CF3)C6H4CH2NMe2}(PMe2Ph)] Christian Arlen, Michel Pfeffer, Odile Bars and G. Le Borgne, pp 359 DOI:10.1039/DT9860000359

Mechanism of the reaction of iron(III) dithiocarbamates with iodine Guido Crisponi, Paola Deplano and Emanuele F. Trogu, pp 365 DOI:10.1039/DT9860000365

Contrasts in the hydrolysis of VOCl3 and VO(NO3)3: a multinuclear magnetic resonance study Richard C. Hibbert, Norman Logan and Oliver W. Howarth, pp 369 DOI:10.1039/DT9860000369

The electron-transfer properties of alkyne-bridged dipalladium complexes: synthesis and reactions of [Pd2(µ-PhC2Ph)(-C5Ph5)2][PF6], and comments on the mechanism of the oxidative cleavage of binuclear organotransition-metal complexes Karen Broadley, Neil G. Connelly, Gregg A. Lane and William E. Geiger, pp 373 DOI:10.1039/DT9860000373

The chemistry of dinitrogen residues. Part 1. Diazenido-complexes of titanium, and some substituted analogues. X-Ray crystal structures of [Ti(C5H5)Cl2(NNPh)], [Ti(C5H5)Cl2(NCBunBut)], and [Ti(C5H5)Cl2(NPPh3)] Ian A. Latham, G. Jeffery Leigh, Gottfried Huttner and Ibrahim Jibril, pp 377 DOI:10.1039/DT9860000377

The chemistry of dinitrogen residues. Part 2. Organohydrazido(1-)-derivatives of titanium(IV). X-Ray crystal structures of [Ti(C5H5)Cl2(NPhNH2)] and [Ti(C5H5)Cl2(NHNMe2)] Ian A. Latham, G. Jeffery Leigh, Gottfried Huttner and Ibrahim Jibril, pp 385 DOI:10.1039/DT9860000385

The chemistry of dinitrogen residues. Part 3. Hydrazido(2-)-derivatives of titanium(IV). X-Ray crystal structure of [{Ti(C5H5)Cl(NNPh2)}2] David L. Hughes, Ian A. Latham and G. Jeffery Leigh, pp 393 DOI:10.1039/DT9860000393

The chemistry of dinitrogen residues. Part 4. The decomposition of hydrazide(1-) and hydrazide(2-) when bound to titanium(IV) Ian A. Latham and G. Jeffrey Leigh, pp 399 DOI:10.1039/DT9860000399

The methylamine analogues of Wolffram's red and Reihlen's green: syntheses, infrared, electronic, Raman, and resonance-Raman spectroscopy, and X-ray crystal structures of chain chlorine- and bromine-bridged platinum(II,IV) complexes of methylamine Robin J. H. Clark, Vincent B. Croud, Helen M. Dawes and Michael B. Hursthouse, pp 403 DOI:10.1039/DT9860000403

Preparation and ligand-exchange reactions of phosphinegold ethynyl complexes Ronald J. Cross and Michael F. Davidson, pp 411 DOI:10.1039/DT9860000411

Complexes with functional phosphines. Part 8. Interconversion study of [RuCl2{Ph2PCH2C(O)OEt}L2], [RuCl2(CO){Ph2PCH2C(O)OEt}L], and [RuCl2(CO)2L2][L = Ph2PCH2C(O)OEt] under CO. Synthesis and X-ray structure of mer-[RuCl3{Ph2PCH2C(O)OEt}L] Pierre Braunstein, Dominique Matt, Dominique Nobel, Salah-Eddine Bouaoud, Brigitte Carluer, Daniel Grandjean and Paul Lemoine, pp 415 DOI:10.1039/DT9860000415

Synthesis and characterisation of some cobalt(II) complexes of Schiff-base ligands and their reactions with molecular oxygen. Effects of chelate ring size Fathy M. Ashmawy, Rafat M. Issa, Saiid A. Amer, Charles A. McAuliffe and R. V. (Dick) Parish, pp 421 DOI:10.1039/DT9860000421

Proton exchange and base-catalysed hydrolysis of some trans- and cis-dichloro(1,4,8,11-tetra-azacyclotetradecane) complexes of chromium(III), ruthenium(III), and rhodium(III) Martha E. Sosa and Martin L. Tobe, pp 427 DOI:10.1039/DT9860000427

Structure of a cis-dimetalla-alkene complex formed by the reaction of a ruthenium(II) complex with bis(phenylethynyl)mercury(II) Zbigniew Dauter, Roger J. Mawby, Colin D. Reynolds and David R. Saunders, pp 433 DOI:10.1039/DT9860000433

Structural, spectroscopic, and magnetic properties of mono- and bi-nuclear copper(II) complexes of N-(2-pyridinyl)ketoacetamides Peter Iliopoulos, Gary D. Fallon and Keith S. Murray, pp 437 DOI:10.1039/DT9860000437

Notes. Insertion of nitrogen oxide into a zirconium-carbon bond: reaction of dialkylbis(cyclopentadienyl)zirconium(IV) complexes with nitrogen oxide Giovanni Fochi, Carlo Floriani, Angiola Chiesi-Villa and Carlo Guastini, pp 445 DOI:10.1039/DT9860000445

Solution chemistry of silver porphyrins. Oxidation of 5,10,15,20-tetra(3-N-methylpyridinio)porphyrinatodisilver(I) Joseph M. Okoh and Manickam Krishnamurthy, pp 449 DOI:10.1039/DT9860000449

Reactions of [Os5(CO)15C] with diphosphines; synthesis, reactivity, and the X-ray crystal structure of [Os5(CO)15C{Ph2P(CH2)2PPh2}] Brian F. G. Johnson, Jack Lewis, Paul R. Raithby, Maria J. Rosales and Dorothy A. Welch, pp 453 DOI:10.1039/DT9860000453

Structure of 2,4-dinitrobenzenesulphenylimino(triphenyl)phosphorane, Ph3PNSC6H3(NO2)2-2,4 Kwok W. Chiu, John Fawcett, Raymond D. W. Kemmitt and David R. Russell, pp 457 DOI:10.1039/DT9860000457

Cationic allyldinitrosyl complexes of iron Paul K. Baker, Sara Clamp, Neil G. Connelly, Martin Murray and John B. Sheridan, pp 459 DOI:10.1039/DT9860000459

Additions and corrections Louis J. Farrugia, Michael Green, David R. Hankey, Martin Murray, A. Guy Orpen and F. Gordon A. Stone, pp 463 DOI:10.1039/DT9860000463

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX007

Issue 3

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP009

Hydrolysis of tris(1,10-phenanthroline)iron(II) complex in 1,4-dioxane-water mixtures Marcia Cazanga, José G. Santos and Fernando Ibáñez, pp 465 DOI:10.1039/DT9860000465

Mechanisms and kinetics of the thermal decomposition of sodium sulphide pentahydrate under controlled water vapour pressure Jan Y. Andersson and Michel Azoulay, pp 469 DOI:10.1039/DT9860000469

Cyclometallation reactions in neopentyl and trimethylsilylmethyl systems of rhodium(III) and iridium(III). Formation and X-ray crystal structures of the four-membered metallacycles [Rh(CH2CMe2CH2)(5-C5Me5)(PPh3)] and [Ir(CH2SiMe2CH2)(5-C5Me5)(PPh3)] Luca Andreucci, Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, Fabio Marchetti, Victor Adovasio and Mario Nardelli, pp 477 DOI:10.1039/DT9860000477

Bulky metal aryloxides, arylamides, and sulphur and phosphorus analogues. Part 1. Synthetic and chemical studies of titanium and zirconium aryloxides Alan W. Duff, Rose A. Kamarudin, Michael F. Lappert and Reginald J. Norton, pp 489 DOI:10.1039/DT9860000489

Thermodynamics of formation of binuclear complexes of some sulphur-containing dipeptides with silver(I) and copper(II). Crystal structure of a methionyl-S-methylcysteine complex of copper(II) Leslie D. Pettit and Anthony Q. Lyons, pp 499 DOI:10.1039/DT9860000499

Synthesis of the cage penta-azamacrobicycloalkane 12,1 7-dimethyl-1,5,9,1 2,17-penta-azabicyclo[7.5.5]nonadecane, its basicity, and metal complex formation. Crystal structure of the copper(II) perchlorate complex Mario Ciampolini, Mauro Micheloni, Francesco Vizza, Fabrizio Zanobini, Stefano Chimichi and Paolo Dapporto, pp 505 DOI:10.1039/DT9860000505

Substitution reactions of cis-bis(2,2-bipyridine)dicarbonyl(solvent)molybdenum(II) and cis-bis(2,2-bipyridine)dicarbonyltungsten(II) salts with uni-, bi-, and ter-dentate tertiary phosphines, trimethyl phosphite, nitric oxide, and 2,2-bipyridine Joseph A. Connor, E. Joyce James, Colin Overton, Josephine M. A. Walshe and Robert A. Head, pp 511 DOI:10.1039/DT9860000511

Eleven-vertex isocloso type rhodaundecaboranes: crystal structures and nuclear magnetic resonance properties of [(PMe2Ph)2RhHB10H8(OMe)2] and [(PMe2Ph)2RhHB10H8Cl(OMe)] Hayat Fowkes, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 517 DOI:10.1039/DT9860000517

Synthesis and properties of some cyclohexadienylrhenium polyhydride complexes Denise Baudry, Philip Boydell and Michel Ephritikhine, pp 525 DOI:10.1039/DT9860000525

Synthesis of some (-arene)dihydridorhenium cations and their reactions with LiAlH4 and LiAlD4 Denise Baudry, Philip Boydell and Michel Ephritikhine, pp 531 DOI:10.1039/DT9860000531

A pyrazole derivative of aminoethane as a tridentate chelating ligand towards transition metals. The X-ray structure of [N,N-bis(pyrazol-1-ylmethyl)aminoethane]dibromocopper(II) Jakobert B. J. Veldhuis, Willem L. Driessen and Jan Reedijk, pp 537 DOI:10.1039/DT9860000537

Doubly and triply bridged dihapto phenylethynyl triosmium clusters by oxidative addition of phenylethynyl gold compounds. X-Ray crystal structure of [Os3(CCPh){Au(PMe2Ph)}(CO)10] Antony J. Deeming, Susan Donovan-Mtunzi and Kenneth Hardcastle, pp 543 DOI:10.1039/DT9860000543

Pentamethylcyclopentadienylrhodaborane chemistry. Part 1. High-yield planned synthesis, molecular structure, and nuclear magnetic resonance properties of the ten-vertex nido-6-rhodadecaborane [(5-C5Me5)RhB9H13] Xavier L. R. Fontaine, Hayat Fowkes, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 547 DOI:10.1039/DT9860000547

Reaction of bis(glycinato)copper(II) with formaldehyde and benzaldehyde phenylhydrazone: X-ray crystal structure of aquabis[(2,3,4,5-tetrahydro-2,6-diphenyl-1,2,4-triazin-4-yl)acetato-O,N4]copper(II) dihydrate Soon-Beng Teo, Siang-Guan Teoh, Trevor W. Hambley and Michael R. Snow, pp 553 DOI:10.1039/DT9860000553

High-field lithium-7 nuclear magnetic resonance spectroscopic and cryoscopic relative molecular mass studies on solutions of amido- and imido-lithium compounds David Reed, Donald Barr, Robert E. Mulvey and Ronald Snaith, pp 557 DOI:10.1039/DT9860000557

The crystal structure of R,S,R,S-(1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane)nickel(II) bis(trifluoromethanesulphonate)-acetone hydrate, [Ni(tmtactd)][CF3SO3]2·Me2CO·H2O, and a strain-energy minimization analysis of four-, five-, and six-co-ordinate nickel(II)-tmtactd solvento complexes Trevor W. Hambley, pp 565 DOI:10.1039/DT9860000565

Oxidative dimerisation of arylamido complexes of platinum: X-ray structure of [Pt2(PEt3)4Cl2(N2C12H10)] PF6 Richard D. O'Sullivan, Adrian W. Parkins and Nathaniel W. Alcock, pp 571 DOI:10.1039/DT9860000571

Stereochemistry and stereodynamics of 6-hexaethylbenzene transition metal complexes. Crystal and molecular structure of dicarbonyl(6-hexaethylbenzene)(2-maleic anhydride)molybdenum(0) Geoffrey Hunter, Timothy J. R. Weakley, Kurt Mislow and Margaret G. Wong, pp 577 DOI:10.1039/DT9860000577

Dynamics of the 9,10-dihydroanthracene type inversion of the six-membered palladocycle in chloro(ligand)[2-(2-pyridylmethyl)phenyl]palladium(II) complexes Vladimir A. Polyakov and Alexander D. Ryabov, pp 589 DOI:10.1039/DT9860000589

Synthesis, X-ray crystal structures and spectroscopic properties of two binuclear platinum(III) dithiocarboxylate complexes Carlo Bellitto, Mario Bonamico, Giulia Dessy, Vincenzo Fares and Alberto Flamini, pp 595 DOI:10.1039/DT9860000595

Synthesis and structure of [Zr(R)Cl(-C5H5)2][R = chiral, highly hindered alkyl: HSiMe3C5H4-2, HSiMe3C6H4Ph2-o, or HSiMe3(C14H9-9)]; influence of the functional group on the nature and stability of their d1 reduction products Stuart I. Bailey, Daryl Colgan, Lutz M. Engelhardt, Wing-Por Leung, Rocco I. Papasergio, Colin L. Raston and Allan H. White, pp 603 DOI:10.1039/DT9860000603

Some substituted urea complexes of thorium tetranitrate; crystal structure of tetra(nitrato-O,O)bis(tetramethylurea-O)thorium(IV), [Th(NO3)4{OC(NMe2)2}2] Abdul Ghany M. Al-Daher, Kenneth W. Bagnall, Eleonora Forsellini, Franco Benetollo and Gabriella Bombieri, pp 615 DOI:10.1039/DT9860000615

Redox reactions of some iron(II), iron(III), and cobalt(II) picolinate complexes A. Martin Lannon, A. Graham Lappin and Michael G. Segal, pp 619 DOI:10.1039/DT9860000619

Binuclear nickel(II) and cobalt(II) complexes of the novel binucleating ligand 3,6-bis(1-pyrazolyl)pyridazine. Crystal and molecular structure and magnetism of bis[µ-3,6-bis(1-pyrazolyl)pyridazine-N1(Ni1)N2(Ni1)N2(Ni2)N2(Ni2)]bis[diaquanickel(II)] tetrachloride dihydrate Lisa Rosenberg, Laurence K. Thompson, Eric J. Gabe and Florence L. Lee, pp 625 DOI:10.1039/DT9860000625

The reaction of [Os3(CO)10(MeCN)2], with heterocyclic thioamides. The crystal and molecular structure of [Os3(µ-H)(CO)10(µ-SCNCH2CH2S)] Andrew M. Brodie, H. Diane Holden, Jack Lewis and Michael J. Taylor, pp 633 DOI:10.1039/DT9860000633

Formation and decomposition of an -alkoxyalkyl complex of palladium(II) Robert McCrindle, Donald K. Stephenson, Alan J. McAlees and Jennifer M. Willson, pp 641 DOI:10.1039/DT9860000641

Interaction of palladium(II) with polydentate ligands, including the synthesis and structure of bis[tris(pyrazol-1-yl)borato-N,N]palladium(II) and the cations [Pd(L)2]2+[L = tris(pyrazol-1-yl)methane-N,N or tris(pyridin-2-yl)methane-N,N] Allan J. Canty, Nigel J. Minchin, Lutz M. Engelhardt, Brian W. Skelton and Allan H. White, pp 645 DOI:10.1039/DT9860000645

Very short OHO hydrogen bonds in a binuclear transition-metal complex. Neutron-diffraction study at 120 K of [Co2{H2N(CH2)2OH}3{H2N(CH2)2O}3][ClO4]3·0.5H2O Deborah J. Jones, Jacques Rozière and Mogens S. Lehmann, pp 651 DOI:10.1039/DT9860000651

Reactions of co-ordinated ligands. Part 36. The synthesis, structure, and reactivity of the three-alkyne fly-over complex [Mo2{µ-(,3:3,-C6Me6)}(5-C9H7)2]; formation and structure of [Mo2{µ-(,3:3,-C6Me6)}(CO)2(5-C9H7)2] Lee Brammer, Michael Green, A. Guy Orpen, Kathleen E. Paddick and David R. Saunders, pp 657 DOI:10.1039/DT9860000657

Synthesis of mono-, di-, and tri-nuclear gold complexes containing the (diphenylphosphino)methyldiphenylphosphoniomethanide ligand. Crystal structures of [Au(C6F5)(Ph2PCHPPh2Me)] and [(C6F5)Au{Ph2PCH(PPh2Me)}Au(C6F5)] Rafael Usón, Antonio Laguna, Mariano Laguna, Isabel Lázaro, Angel Morata, Peter G. Jones and George M. Sheldrick, pp 669 DOI:10.1039/DT9860000669

Isocyanide complexes with Pt2S and Pt2CS cores. Crystal structure of µ-sulphido-bis[bis(2,4,6-tri-t-butylphenyl isocyanide)platinum] Yasuhiro Yamamoto and Hiroshi Yamazaki, pp 677 DOI:10.1039/DT9860000677

The synthesis, structural and spectroscopic studies of [Ru2Rh2H2(CO)12] Jouni Pursiainen, Tapani A. Pakkanen, Brian T. Heaton, Claudio Seregni and Robin G. Goodfellow, pp 681 DOI:10.1039/DT9860000681

Synthesis and structural characterisation of hexakis(triphenyl phosphine)hexagold(2+) nitrate, [Au6(PPh3)6][NO3]2, and related clusters with edgesharing bitetrahedral geometries Clive E. Briant, Kevin P. Hall, D. Michael P. Mingos and Allison C. Wheeler, pp 687 DOI:10.1039/DT9860000687

Copper(II) complexes of pyrrole-containing Schiff-base macrocycles: crystal and molecular structures of a mononuclear macrocyclic complex, and of pyrrole-2,5-dicarbaldehyde Harry Adams, Neil A. Bailey, David E. Fenton, Stephen Moss, Cecilia O. Rodriguez de Barbarin and Geraint Jones, pp 693 DOI:10.1039/DT9860000693

A molecular-orbital study of tricarbonyl(1-5--cycloheptadienylium)iron and tricarbonyl(1-5--cyclo-octadienylium)iron David A. Brown, Noel J. Fitzpatrick and Michael A. McGinn, pp 701 DOI:10.1039/DT9860000701

Notes. First synthesis and structural assessment of alkali-metal carbonatodioxoperoxouranate(VI) monohydrates, A2[UO2(O2)(CO3)]·H2O, and carbonato-oxodiperoxovanadate(V) trihydrates, A3[VO(O2)2(CO3)]·3H2O Jayanta K. Basumatary, Mihir K. Chaudhuri, Ranendra N. Dutta Purkayastha and Zavei Hiese, pp 709 DOI:10.1039/DT9860000709

Crystal and molecular structure of 1,1,1,1-tetracarbonyl-2,2-bis(-cyclopentadienyl-bis(µ-diphenylphosphido)-molybdenumzirconium, [(cp)2Zr(µ-PPh2)2-Mo(CO)4] Michael G. B. Drew, Steven R. Wade, Malcolm G. H. Wallbridge and Gerald R. Willey, pp 713 DOI:10.1039/DT9860000713

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX011

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP013

Fluxionality and bonding in formamidine and formamidinate complexes of PtII and PdII containing the 2,6-bis[(dimethylamino)methyl]phenyl ligand: a proton nuclear magnetic resonance study with X-ray crystal structures of [Pt{C6H3(Ch2NMe2)2-2,6}{p-MeC6H4NCHN(H)C6H4Me-p}][CF3SO3] and [Pt{C6H3(CH2NMe2)2-2,6}(p-MeC6H4NCHNC6H4Me-p)] David M. Grove, Gerard van Koten, Henk J. C. Ubbels, Kees Vrieze, Leonarda C. Niemann and Casper H. Stam, pp 717 DOI:10.1039/DT9860000717

Studies on five-co-ordinate d8 metal ions. Part 3. Stability constants for the reversible formation of five-co-ordinate complexes from the bis(2,2bipyridine)- and bis(1,10-phenanthroline)-platinum(II) cations Ole Wernberg, pp 725 DOI:10.1039/DT9860000725

Kinetics of hydration of calcium sulphate hemihydrate Kinjiro Fujii and Wakichi Kondo, pp 729 DOI:10.1039/DT9860000729

Molybdenum and tungsten nitrosyl complexes containing bulky alkoxy, aryloxy, and arylamido ligands: their electrochemical behaviour and the structure of [Mo{HB(Me2pz)3}(NO)I(OCH2CH2CH2Br)] Christopher J. Jones, Jon A. McCleverty, Bryan D. Neaves, Sarah J. Reynolds, Harry Adams, Neil A. Bailey and Gianfranco Denti, pp 733 DOI:10.1039/DT9860000733

Formation of N-C bonds via alkylation of transition metal nitrosyls. Reaction of ruthenium and other transition metal nitrosyls with benzyl bromide Jon A. McCleverty, Clive W. Ninnes and Iwona Woochowicz, pp 743 DOI:10.1039/DT9860000743

Vanadium(V) fluoride complexes in organic solvents. Avanadium-51 and fluorine-19 nuclear magnetic resonance study Richard C. Hibbert, pp 751 DOI:10.1039/DT9860000751

Preferred sites for electron exchange between cytochrome c and [Fe(edta)]2- and [Co(sep)]2+ complexes Graeme D. Armstrong, Jill A. Chambers and A. Geoffrey Sykes, pp 755 DOI:10.1039/DT9860000755

Trisubstituted Group 6 metal carbonyl complexes with di-2-pyridylamine ligands. Crystal structures of (2,2-bipyridyl-N,N) tricarbonyl(di-2-pyridylamine-N)-molybdenum(0) and -tungsten(0) R. Alan Howie and Geoffrey P. McQuillan, pp 759 DOI:10.1039/DT9860000759

He I and He II photoelectron spectra of some trifluorophosphine, carbonyl, and hydrido transition metal complexes John F. Nixon, Elaine A. Seddon, Roger J. Suffolk, Michael J. Taylor, Jennifer C. Green and Ronald J. Clark, pp 765 DOI:10.1039/DT9860000765

Organyltellurium-(IV) and -(II) dithiocarbamates: crystal and molecular structure of dimethyldithiocarbamato(2-phenylazophenyl-C,N)tellurium(II) Mohammed A. K. Ahmed, Anne E. McCarthy, William R. McWhinnie and Frank j. Berry, pp 771 DOI:10.1039/DT9860000771

Chemistry of iridium carbonyl clusters. Synthesis and chemical characterization of the hexanuclear anions [Ir6(CO)15(CO2R)]-(R = Me or Et) and [Ir6(CO)14(CO2Me)2]2-. Crystal and molecular structure of [N(PPh3)2][Ir6(µ-CO)4(CO)11(CO2Me)] Luigi Garlaschelli, Maria Carlotta Malatesta, Secondo Martinengo, Francesco Demartin, Mario Manassero and Mirella Sansoni, pp 777 DOI:10.1039/DT9860000777

Actinide structural studies. Part 8. Some new oxygen-donor complexes of trichloro(cyclopentadienyl)neptunium(IV); the crystal structure of trichloro(5-cyclopentadienyl)bis(methyldiphenylphosphine oxide)neptunium(IV) Kenneth W. Bagnall, Gerard F. Payne, Nathaniel W. Alcock, David J. Flanders and David Brown, pp 783 DOI:10.1039/DT9860000783

Axially asymmetric metal alkyls. Part 4. Synthesis and X-ray crystal structure of the tungsten(V) metallabicyclic complex [{W[(2-CH2C6H4)2]2O}2Mg(C4H8O)4]·CH2Cl2 Lutz M. Engelhardt, Rocco I. Papasergio, Colin L. Raston, Geoffrey Salem and Allan H. White, pp 789 DOI:10.1039/DT9860000789

Comparative ten-vertex metallaborane chemistry: some nido-6-metalladecaboranes of tungsten, rhenium, ruthenium, osmium, and iridium; including the crystal and molecular structures of [6,6,6,6,6-(PMe2Ph)3H2-nido-6-WB9H13] and [6,6,6-(PMe2Ph)3-nido-6-OsB9H13] Michael A. Beckett, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 795 DOI:10.1039/DT9860000795

Neopentyl and trimethylsilylmethyl compounds of rhodium(III) and iridium (III) with ortho-metallated triphenylphosphine. X-Ray crystal structure of [Ir(C6H4PPh2)(CH2SiMe3)(5-C5Me5)] Luca Andreucci, Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini, Fabio Marchetti, Victor Adovasio and Mario Nardelli, pp 803 DOI:10.1039/DT9860000803

Transition metal complexes with terminal or bridging imidato(1-) ligands. X-Ray crystal structures of trans-[Ir(CO)(NCOC2F4CO)(PPh3)2] and [{Pd(o-C6H4CHNPh)(µ-NCOC2H4CO)}2]·CH2Cl2, spectroscopic studies of [Mn(CO)5(NCOC2H4CO)], and the nature of the metal-nitrogen bond Harry Adams, Neil A. Bailey, T. Nigel Briggs, Jon A. McCleverty, Howard M. Colquhoun and David J. Williams, pp 813 DOI:10.1039/DT9860000813

Halogeno, hydrido, and hydrocarbyl derivatives of (-cyclo-octatetraene)(-pentamethylcyclopentadienyl)zirconium(IV): X-ray crystal structure of [Zr(-C5Me5)(-C8H8)H] W. James Highcock, Rona M. Mills, John L. Spencer and Peter Woodward, pp 821 DOI:10.1039/DT9860000821

Allyl derivatives of (cyclo-octatetraene)(- pentamethylcyclopentadienyl)-zirconium: X-ray crystal structure of [Zr(-C5Me5)(1-4--C8H8)(-C3H5)] W. James Highcock, Rona M. Mills, John L. Spencer and Peter Woodward, pp 829 DOI:10.1039/DT9860000829

Synthesis and structural characterisation of [Pt2Au2(PPh3)4(CNC6H3Me2-2,6)4][PF6]2; a platinum-gold cluster with a distorted butterfly geometry Clive E. Briant, David I. Gilmour and D. M. P. Mingos, pp 835 DOI:10.1039/DT9860000835

Some substituted urea complexes of thorium(IV) and uranium(IV)N-thiocyanates Abdul Ghany M. Al-Daher and Kenneth W. Bagnall, pp 843 DOI:10.1039/DT9860000843

Magnetic susceptibility and optical study of the organic-intercalated two-dimensional ionic ferromagnet bis(benzylammonium) tetrachlorochromate(II) Carlo Bellitto, Peter Day and Terence E. Wood, pp 847 DOI:10.1039/DT9860000847

An antimony-121 Mössbauer and electron spin resonance study of some antimony-molybdenum-oxygen and antimony-tungsten-oxygen compounds Thomas Birchall, Christopher Hallett and Arthur W. Sleight, pp 853 DOI:10.1039/DT9860000853

Electron diffraction investigation of the molecular structures of dimethylsilyl isocyanate and dimethylsilyl isothiocyanate Stephen Cradock, Christopher M. Huntley, David W. H. Rankin and Heather E. Robertson, pp 859 DOI:10.1039/DT9860000859

Chemistry of hydrogen isocyanide. Part 1. Reactions of [M(CO)5(CNH)](MCr or W) with epoxides Eberhard Bär, Alfons Völkl, Ferdinand Beck, Wolf P. Fehlhammer and Albert Robert, pp 863 DOI:10.1039/DT9860000863

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 42. Synthesis of the compounds [N(PPh3)2][Fe2W(µ-CO)(µ-NO)(µ3-CR)(CO)6(-C5H5)](R = Me or C6H4Me-4) and the X-ray crystal structure of the tolylmethylidyne complex Esther Delgado, John C. Jeffery, Nicholas D. Simmons and F. Gordon A. Stone, pp 869 DOI:10.1039/DT9860000869

Notes. Tin-119 and nitrogen-14 nuclear magnetic resonance and tin-119 variable-temperature Mössbauer spectroscopic study of tricyclohexyltin isothiocyanate including the first observation of resolved 117,119Sn-14N coupling in an organotin compound Kieran C. Molloy, Kieran Quill, Stephen J. Blunden and Robin Hill, pp 875 DOI:10.1039/DT9860000875

Condensation of o-phenylenediamine and phthalaldehyde using molybdenum(0) as template. Isolation and crystal and molecular structure of an intermediate molybdenum complex with an 2-bonded aldehydic group Piero Leoni, Ernesta Grilli, Marco Pasquali and Marco Tomassini, pp 879 DOI:10.1039/DT9860000879

Synthesis, vibrational spectra, and X-ray crystal structure of di-µ-hydroxobis[bromodichloro(tetrahydrofuran)tin(IV)]-tetrahydrofuran (1/2) David Tudela, Vicente Fernandez and Angel Vegas, pp 883 DOI:10.1039/DT9860000883

Synthesis and properties of tris(dithioacetylacetonato)vanadium(III) Peter D. W. Boyd, Janet Hope and Raymond L. Martin, pp 887 DOI:10.1039/DT9860000887

Relative stabilities of trans-dichloro(olefin)(pyridine)platinum(II) complexes. Re-examination of hammett equation for para-substituted styrene complexes Hideo Kurosawa, Akira Urabe and Mitsuhiro Emoto, pp 891 DOI:10.1039/DT9860000891

Studies of metal formates. The synthesis and X-ray structure of potassium tetraformato-oxovanadate(IV), K2[VO(HCO2)4] Trevor R. Gilson, Ian M. Thom-Postlethwaite and Michael Webster, pp 895 DOI:10.1039/DT9860000895

Reactivity of trinuclear ruthenium complexes involving bis(diphenylphosphino)methane (dppm) as a bridging ligand: facile declusterification of [Ru3(CO)8(µ-dppm-PP)2] in the presence of iodine and the crystal structure of [Ru2(µ-I)2(CO)4(µ-dppm-PP)] Anne Colombie, Guy Lavigne and Jean-Jacques Bonnet, pp 899 DOI:10.1039/DT9860000899

Additions and corrections Philip J. Blower, Jonathan R. Dilworth, John P. Hutchinson and Jon A. Jubieta, pp 903 DOI:10.1039/DT9860000903

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX015

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP017

Mass spectometric studies on cyclo- and poly-phosphazenes. Part 5. Oligomerization of octachlorocyclotetraphosphazatetraene N4P4Cl8 Mario Gleria, Guido Audisio, Sergio Daolio, Enrico Vecchi, Pietro Traldi and Setharampattu S. Krishnamurthy, pp 905 DOI:10.1039/DT9860000905

Copper(I) Schiff-base complexes: reversible carbon monoxide binding, reactions with dioxygen, and the structure of a dinuclear complex containing co-ordinated and unco-ordinated alkene groups S. Martin Nelson, Aidan Lavery and Michael G. B. Drew, pp 911 DOI:10.1039/DT9860000911

Luminescence spectra of the mixed complexes [TcClxBr6-x]2- Colin D. Flint and Peter F. Lang, pp 921 DOI:10.1039/DT9860000921

Zinc(II) bis(O,O-dialkyl dithiophosphates): interaction with small nitrogen bases. The crystal and molecular structure of hexakis(µ-O,O-diethyl dithiophosphato)-µ4-thio-tetrazinc, Zn4[S2P(OEt)2]6S Philip G. Harrison, Michael J. Begley, Thakor Kikabhai and Fred Killer, pp 925 DOI:10.1039/DT9860000925

Zinc(II) bis(O,O-dialkyl dithiophosphates): complexation behaviour with pyridine and other multidentate nitrogen donor molecules. The crystal and molecular structures of the 1:1 complexes of bis(O,O-di-isopropyl dithiophosphato)zinc(II) with pyridine, 2,2-bipyridine, and 2,2 : 6,2-terpyridine and of (1,11-diamino-3,6,9-triazaundecane)zinc(II) bis(O,O-diethyl dithiophosphate) Philip G. Harrison, Michael J. Begley, Thakor Kikabhai and Fred Killer, pp 929 DOI:10.1039/DT9860000929

Synthesis, spectroscopic, and structural studies of dimethylthallium(III) complexes containing heterocyclic nitrogen-donor ligands, including TIC2N3O2 and TIC2O6 geometries Allan J. Canty, Karen Mills, Brian W. Skelton and Allan H. White, pp 939 DOI:10.1039/DT9860000939

Bis(perhalogenophenyl) derivatives of palladium(II) and platinum(II) containing S2CP(C6H11)3 as a mono- or bi-dentate ligand. Crystal structures of cis-[Pd(C6F5)2{S2CP(C6H11)3}] and cis-[Pt(C6F5)2{SC(S)P(C6H11)3}(CO)] Rafael Usón, Juan Forniés, Miguel A. Usón, José F. Yagüe, Peter G. Jones and Karen Meyer-Bäse, pp 947 DOI:10.1039/DT9860000947

Synthesis and X-ray structural characterization of novel binuclear complexes of copper(II), nickel(II), and cobalt(II) with an octadentate ligand, N,N,N,Ntetrakis(2-aminoethyl)-1,4,8,11-tetra-azacyclotetradecane Ichiro Murase, Masahiro Mikuriya, Hiroshi Sonoda, Yoshihiko Fukuda and Sigeo Kida, pp 953 DOI:10.1039/DT9860000953

Nuclear magnetic resonance investigations of configurational non-rigidity in dinuclear platinum(IV) complexes. Part 6. Synchronous pyramidal inversion of chalcogen atoms in [(PtXMe3)2(ECH2CME2CH2E)] complexes (E = S or Se; X = Cl, Br, or I) Edward W. Abel, Pramod K. Mittal, Keith G. Orrell and Vladimir ik, pp 961 DOI:10.1039/DT9860000961

Five-co-ordinate nitrosyl thiolato-complexes of molybdenum and tungsten. The preparation and X-ray crystal structures of [NHEt3][Mo(SPh)4(NO)],[PPh4][WCl(SPh)3(NO)], and [Mo(SC6H2Pri3-2,4,6)3(NH3)(NO)] Peter T. Bishop, Jonathan R. Dilworth, John Hutchinson and Jon Zubieta, pp 967 DOI:10.1039/DT9860000967

The syntheses and X-ray structure analyses of the heteronuclear monoanions [Os10C(CO)24Cu(NCMe)]- and [Os10C(CO)24Au(PPh3)]- as Their [PPh3Me]+ Salts Brian F. G. Johnson, Jack Lewis, William J. H. Nelson, Maria D. Vargas, Dario Braga, Kim Henrick and Mary McPartlin, pp 975 DOI:10.1039/DT9860000975

New carbide clusters in the cobalt subgroup. Part 16. Preparation and structural characterization of µ6-carbido-penta-µ-carbonyl-octacarbonyl-octahedro-hexacobaltate(2-) as its tetraethylammonium salt Vincenzo G. Albano, Dario Braga and Secondo Martinengo, pp 981 DOI:10.1039/DT9860000981

Synthesis of a pyridine-containing tetra-aza macrocycle, 7-methyl-3,7,1 1,17-tetra-azabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L1), and characterisation of its nickel(II), copper(II), and zinc(II) complexes. Reduction of the pyridine ring of [Ni(L1)]2+ to give [Ni(L2)]2+(L2= 7-methyl-3,7,11,17-tetra-azabicyclo[11.3.1]heptadecane), and characterisation of [Ni(L2)]2+ by X-ray crystallography Nathaniel W. Alcock, Peter Moore and Hadi A. A. Omar, pp 985 DOI:10.1039/DT9860000985

Quadridentate versus quinquedentate co-ordination of some N5 and N3O2 macrocyclic ligands and an unusual thermally controlled quintet singlet spin transition in an iron(II) complex S. Martin Nelson, Paul D. A. McIlroy, Clarke S. Stevenson, Edgar König, Gerhard Ritter and Joachim Waigel, pp 991 DOI:10.1039/DT9860000991

Chemistry of polyfunctional molecules. Part 86. Organoarsenic compounds derived from 1,3-bis(di-iodoarsino)propane with monocyclic, tricyclic, and straight-chain structures; X-ray crystal structure of 2,8,13,14-tetraoxa-1,3,7,9-tetra-arsatricyclo[7.3.1.1]tetradecane Jochen Ellermann, Ludwig Brehm, Ekkehard Lindner, Wolfgang Hiller, Riad Fawzi, Franz L. Dickert and Manfred Waidhas, pp 997 DOI:10.1039/DT9860000997

Co-ordination chemistry of higher oxidation states. Part 18. Bidentate selenoether complexes of the tetravalent platinum metals. Crystal and molecular structure of [Pt{o-C6H4(SeMe)2}Cl4] Eric G. Hope, William Levason, Michael Webster and Stephen G. Murray, pp 1003 DOI:10.1039/DT9860001003

Synthesis of heterotrimetallic complexes containing M-Hg-Pt (M = Pt, Fe, Mn, or Co) arrays Oriol Rossell, Miquel Seco and Immaculada Torra, pp 1011 DOI:10.1039/DT9860001011

High-resolution solid-state platinum-195 nuclear magnetic resonance Robin K. Harris, Patrick Reams and Kenneth J. Packer, pp 1015 DOI:10.1039/DT9860001015

Reactions of co-ordinated ligands. Part 37. Synthesis and structure of the dimolybdenum µ-allylidene complex [Mo2(µ-:3-CHCHCMe2)(CO)4(-C5H5)2]; formation and crystal structure of the oxo-µ-allylidene complex [Mo2O(µ-:3-CHCHCMe2)(µ-CO)(CO)(-C5H5)2]. Thermal rearrangement to alkyne and 1,3-diene dimolybdenum species and structure of [Mo3(µ3-4-CCHCMeCH)(CO)4(-C5H5)3] W. Eammon Carroll, Michael Green, A. Guy Orpen, Colin J. Schaverien, Ian D. Williams and Alan J. Welch, pp 1021 DOI:10.1039/DT9860001021

Synthesis of diphenylantimony(III) dialkyldithio- and diaryldithio-phosphinates and -arsinates; crystal structures of Ph2SbS2MPh2(M = P or As) Christian Silvestru, Luminita Silaghi-Dumitrescu, Lonel Haiduc, Michael J. Begley, Michael Nunn and D. Bryan Sowerby, pp 1031 DOI:10.1039/DT9860001031

Studies on transition-metal oxo and nitrido complexes. Part 8. Reactions of osmium oxo-imido complexes with alkenes William P. Griffith, Neil T. McManus and Andrew D. White, pp 1035 DOI:10.1039/DT9860001035

The molecular structure of [Mo(CO)3H(-C5Me5)] and its conversion to [Mo(CO)3Cl(-C5Me5)] and [Li(Me2NCH2CH2NMe2)2][Mo(CO)3(-C5Me5)] Piero Leoni, Ernesta Grilli, Marco Pasquali and Marco Tomassini, pp 1041 DOI:10.1039/DT9860001041

Synthesis, characterisation, electrochemical properties, photochemical properties, and reactivity of bis(2,2-bipyridyl)hydridoruthenium complexes John M. Kelly and Johannes G. Vos, pp 1045 DOI:10.1039/DT9860001045

Notes. Complexation of gold(I) thiomalate (myocrisin) with 1,3-diazinane-2-thione in aqueous solution followed by 13C nuclear magnetic resonance spectroscopy Anvarhusein A. Isab, pp 1049 DOI:10.1039/DT9860001049

Synthesis and X-ray crystal structure of the novel hydridocarbonyl cluster [NEt4][Re4(µ-H)5(CO)14] Tiziana Beringhelli, Gianfranco Ciani, Giuseppe D'Alfonso, Viviana De Maldè, Angelo Sironi and Maria Freni, pp 1051 DOI:10.1039/DT9860001051

A reproducible synthesis of aquatris(triethylphosphine)platinum(II) hexafluorophosphate Sheila A. Preston and David J. Cole-Hamilton, pp 1055 DOI:10.1039/DT9860001055

The Raman spectrum of [U(NCS)8]4- and configuration of the ion in solution William P. Griffith and M. Jane Mockford, pp 1057 DOI:10.1039/DT9860001057

Carbonylchloro[2-(phenylazo)phenyl-C,N]platinum and cyclopentadienyl[2(phenylazo)phenyl-C,N]platinum Ronald J. Cross, Norman H. Tennent and Gillian M. Warden, pp 1059 DOI:10.1039/DT9860001059

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX019

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP021

Spectroscopic and magnetic properties of Cu2(terpy)Cl4(terpy = 2,2 : 6,2-terpyridine). A magnetic system constructed of two exchange-coupled dimers Jose V. Folgado, Eugenio Coronado and Daniel Beltrán, pp 1061 DOI:10.1039/DT9860001061

Electron spin resonance studies of one-electron reduction products of nickel(II) and palladium(II) complexes containing tetrathiomolybdate, tetrathiotungstate, and dialkyldithiocarbamate ligands, [M(MS4)n(R2NCS2)2 -n)]n-(n= 0-2, M = Ni or Pd, M= Mo or W) Graham A. Bowmaker, Peter D. W. Boyd, Graeme K. Campbell and Maruta Zvagulis, pp 1065 DOI:10.1039/DT9860001065

A structural study of the complexation of the sodium ion by the cryptands 4,7,13,18-tetraoxa-1,10-diazabicyclo[8.5.5]icosane and 4,7,1 3-trioxa-1,10-diaza bicyclo[8.5.5]icosane Stephen F. Lincoln, Ernst Horn, Michael R. Snow, Trevor W. Hambley, Ian M. Brereton and Thomas M. Spotswood, pp 1075 DOI:10.1039/DT9860001075

Molecular mechanics studies of the conformation of the macrocycle -2,12-dimethyl-3,7,11,17-tetra-azabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L1) in the free state and in a series of nickel complexes. Crystal and molecular structure of L1 Michael G. B. Drew, David A. Rice, Sidik bin Silong and Paul C. Yates, pp 1081 DOI:10.1039/DT9860001081

1,2,4-Triazolate (tz) complexes of rhodium(I), iridium(I), and palladium(II). Crystal structure of [Rh3(µ3-tz)(µ-Cl)Cl(4-tfbb)(CO)4]·0.5CH2Cl2(tfbb = tetrafluorobenzobarrelene), a trinuclear complex with extended metal-metal interactions Luis A. Oro, M. Teresa Pinillos, Cristina Tejel, Concha Foces-Foces and Félix H. Cano, pp 1087 DOI:10.1039/DT9860001087

The crystal structures of the hexachloroantimonate salts of (CH3)2SS(CH3)+, (CH3S)3+, and (CH3Se)3+ Risto Laitinen, Ralf Steudel and Robert Weiss, pp 1095 DOI:10.1039/DT9860001095

Kinetics and mechanism of the reaction between dimethyl sulphoxide and dichloro(pyridine-2-carboxylato)platinate(II) anion and the cis-trans isomerization of the products. X-Ray crystal structure of trans-(O,S)chloro(dimethyl sulphoxide)(pyridine-2-carboxylato)platinum(II) Giuliano Annibale, Lucio Cattalini, Luciano Canovese, Bruno Pitteri, Antonio Tiripicchio, Marisa Tiripicchio Camellini and Martin L. Tobe, pp 1101 DOI:10.1039/DT9860001101

Kinetics of the displacement of chloroacetate ion from cis-bis(chloroacetato)bis(isopropylamine)platinum(II) and the (chloroacetato)(1,5-diamino-3-azapentane)platinum(II) cation Luciano Canovese, Martin L. Tobe, Giuliano Annibale and Lucio Cattalini, pp 1107 DOI:10.1039/DT9860001107

Spectroscopic and magnetic properties of [FeL2(salacen)]PF6(L = imidazole or N-methylimidazole): new examples of intermediate electronic relaxation between S=½ and S=52 states. X-Ray crystal structure of [Fe(Him)2(salacen)]PF6 Yonezo Maeda, Yoshimasa Takashima, Naohide Matsumoto and Akira Ohyoshi, pp 1115 DOI:10.1039/DT9860001115

Catecholato complexes of ruthenium, iridium, rhenium, molybdenum, and tungsten William P. Griffith, Carol A. Pumphrey and Tracey-Anne Rainey, pp 1125 DOI:10.1039/DT9860001125

Reactions of [Fe(cp)(CO)2Cl](cp =-cyclopentadienyl) with 3-methylbut-2-enoic acid and its methyl ester. X-Ray crystal and molecular structure of bis[dicarbonyl(-cyclopentadienyl)(3-methylbut-2-enoato)iron(II)]hydrogen hexafluoroantimonate and µ-chloro-bis[dicarbonyl(-cyclopentadienyl)iron(II)] hexafluoroantimonate Domenico C. Cupertino, Marjorie M. Herding, David J. Cole-Hamilton, Helen M. Dawes and Michael B. Hursthouse, pp 1129 DOI:10.1039/DT9860001129

The crystal structure and reactivity of [(-C5H5)NiOs3(µ-H)3(CO)8(PPh2H)]; 1H and 31P nuclear magnetic resonance spectroscopic characterization of [(-C5H5)NiOs3(µ-H)2(µ-HgBr)(CO)8(PPh2H)] and related complexes Giovanni Predieri, Antonio Tiripicchio, Carlo Vignali, Enrico Sappa and Pierre Braunstein, pp 1135 DOI:10.1039/DT9860001135

Reactions of bis[1,2-bis(dimethylphosphino)ethane]bis(dinitrogen)chromium(0) and -bis(carbonyl)chromium(0) with acids and oxidizing agents. X-Ray crystal structures of trans-CrII(O2CCF3)2(dmpe)2, trans-[CrII(NCR)2(dmpe)2][CF3SO3]2(R = Me or Et), trans-[CrIIICl2(dmpe)2]BPh4·CH2Cl2, trans-[CrI(CO)2(dmpe)2]BPh4, and [Cr0H(CO)2(dmpe)2]BPh4 Julian E. Salt, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 1141 DOI:10.1039/DT9860001141

The reactions of the tri-µ-hydroxo-bis[6-p-cymeneosmium(II)] cation with aldehydes and acids and the homogeneously catalysed oxidation of acetaldehyde and propionaldehyde with water. X-Ray structure of [(p-MeC6H4CHMe2)2Os2(µ-HCO2)(µ-OH)(µ-H)][PF6] Javier A. Cabeza, Arnold J. Smith, Harry Adams and Peter M. Maitlis, pp 1155 DOI:10.1039/DT9860001155

Reactions of [Zn{S2P(OR)2}2] with nitrogen bases and the single-crystal X-ray structures of [Zn{S2P(OPri)2}2]·H2NCH2CH2NH2 and [Zn{S2P(OPri)2}2]·NC5H5 Michael G. B. Drew, Masihul Hasan, Richard J. Hobson and David A. Rice, pp 1161 DOI:10.1039/DT9860001161

Synthesis and interconversion of, and restricted rotation in, phenyl complexes of ruthenium(II) E. Jane Probitts, David R. Saunders, Michael H. Stone and Roger J. Mawby, pp 1167 DOI:10.1039/DT9860001167

Dinuclear metal complexes. Part 4. Electrochemical studies of macrocyclic dicopper(II) complexes. Investigation of the effect of solvents, donor groups, and steric constraints on the stability of mixed-valence copper(II)-copper(I) complexes Sanat Kumar Mandal, Bibhutosh Adhikary and Kamalaksha Nag, pp 1175 DOI:10.1039/DT9860001175

The anion of pyrimidine-2-thiol as a ligand to molybdenum, tungsten, and iron. Preparation of complexes, their structure and reactivity Ian A. Latham, G. Jeffrey Leigh, Christopher J. Pickett, Gottfried Huttner, Ibrahim Jibrill and Jon Zubieta, pp 1181 DOI:10.1039/DT9860001181

Kinetics and mechanism of oxidation of hydrazine by tri-iodide ion in aqueous acidic media Patapati Subbu Radhakrishnamurti, Nabeen Kumar Rath and Rama Krushna Panda, pp 1189 DOI:10.1039/DT9860001189

Cobalt metallacycles. Part 14. Facile transformation of 4-diene complexes to metallacyclopentenes. Preparation and molecular structures of [Co(5-C5H5){4-PhNCC(Ph)C(Ph)CNPh}] and [Co{C(NR)C(Ph)C(Ph)C(NR)}(5-C5H5)(CNC6H3Me2-2,6)](R = C6H3Me2-2,6) Yasuo Wakatsuki, Katsuyuki Aoki and Hiroshi Yamazaki, pp 1193 DOI:10.1039/DT9860001193

Cobalt metallacycles. Part 15. Regioselective formation and rearrangement of 4-iminocobaltacyclobutene complexes Yasuo Wakatsuki, Shin-ya Miya, Hiroshi Yamazaki and Shigeru Ikuta, pp 1201 DOI:10.1039/DT9860001201

Cobalt metallacycles. Part 16. X-Ray structures of 4-iminocobaltacyclobutene complexes Yasuo Wakatsuki, Shin-ya Miya and Hiroshi Yamazaki, pp 1207 DOI:10.1039/DT9860001207

Synthesis, X-ray structure, and magnetic properties of di-µ-chloro-bis[N-(2-hydroxy-2-phenylethyl)salicylideneiminatocopper(II)] Françoise Nepveu, Franz-Josef Bormuth and Leonhard Walz, pp 1213 DOI:10.1039/DT9860001213

Laser flash photolysis study of the charge-transfer photochemistry of octacyanomolybdate(V) and octacyanotungstate(V) ions Kevin R. Butter, Terence J. Kemp, Barbara Sieklucka and Alina Samotus, pp 1217 DOI:10.1039/DT9860001217

The electrochemistry of [PtH(PEt3)3]+; inverted and amplified cyclic voltammetric waves and catalytic hydrogen production at a mercury electrode Richard G. Compton and David J. Cole-Hamilton, pp 1225 DOI:10.1039/DT9860001225

Nonahalogenodiantimon(III)ates; their preparation and the crystal structures of [Hpy]3[Sb2Cl9], [NMe4]3[Sb2Br9], and [NMe4]3[Sb2Br3Cl6] Michael Hall, Michael Nunn, Michael J. Begley and D. Bryan Sowerby, pp 1231 DOI:10.1039/DT9860001231

Halogeno-oxydiantimon(III)ates Michael Hall, Michael Nunn and D. Bryan Sowerby, pp 1239 DOI:10.1039/DT9860001239

Mössbauer spectra at 77 K of products formed during transformation of Fe(OH)2 to Fe3O4 in aqueous suspension by air oxidation Tadao Kanzaki and Takashi Katsura, pp 1243 DOI:10.1039/DT9860001243

Preparation and X-ray diffraction data for the new pyrochlores Pb2[M0.33Sb1.67]O6.5(M = Mg, Ni, Cu, or Zn) Conchíta Cascales and Isidoro Rasines, pp 1247 DOI:10.1039/DT9860001247

Synthetic, structural, and spectroscopic studies of the ligating properties of organic disulphides: X-ray structures of mercury(II) chloride-dimethyl disulphide (1/1) and triethylammonium trichloromercurate P. Michael Boorman, Catherine L. Merrit, W. A. Shantha Nandana and John F. Richardson, pp 1251 DOI:10.1039/DT9860001251

Synthesis, crystal structure, and spectroscopic properties of [Mo2(O2CMe)2(MeCN)6][BF4]2, [Rh2(O2CMe)2(MeCN)6][BF4]2, and [Rh2(O2CMe)2(MeCN)4(py)2][BF4]2 Gillian Pimblett, C. David Garner and William Clegg, pp 1257 DOI:10.1039/DT9860001257

Salt and cosolvent effects on the sulphite-hexacyanoferrate(III) reaction Amalia Rodriguez, Serafín López, M. Carmen Carmona-Guzmán, Francisco Sánchez and Carlos Piazza, pp 1265 DOI:10.1039/DT9860001265

Reactivity of hexachlorocyclotriphosphazene towards alkyl-lithium reagents Herman Winter and Johan C. van de Grampel, pp 1269 DOI:10.1039/DT9860001269

Solid-state aluminium-27 nuclear magnetic resonance chemical shift and quadrupole coupling data for condensed AlO4 tetrahedra Dirk Müller, Wolfgang Gessner, Ago Samoson, Endel Lippmaa and Gerhard Scheler, pp 1277 DOI:10.1039/DT9860001277

Zinc carboxylate complexes: structural characterisation of some binuclear and linear trinuclear complexes William Clegg, Ian R. Little and Brian P. Straughan, pp 1283 DOI:10.1039/DT9860001283

Some reactions of uranium chloride pentafluoride Anthony J. Downs and Christopher J. Gardner, pp 1289 DOI:10.1039/DT9860001289

Notes. Exchange kinetics of gold(I) phosphine complexes by nuclear magnetic resonance line shape analysis Salam Al-Baker, William E. Hill and Charles A. McAuliffe, pp 1297 DOI:10.1039/DT9860001297

Kinetics and mechanism of the reduction of dodecatungstocobaltate(III) by oxalate. The catalytic role of alkali metal ions through outer-sphere bridging Swapan K. Saha, Manik C. Ghosh and Pradyot Banerjee, pp 1301 DOI:10.1039/DT9860001301

Preparation, characterisation, and X-ray crystal structure of [W2Cl4(NHBut)2(NH2But)2]: a triply-bonded ditungsten compound containing t-butylamido ligands Donald C. Bradley, R. John Errington, Michael B. Hursthouse and Richard L. Short, pp 1305 DOI:10.1039/DT9860001305

Triphenylphosphineiminato-substituted tungsten(VI) fluorides. Crystal structure of tetrafluorobis(triphenylphosphineiminato)tungsten(VI) Herbert W. Roesky, Ulrich Seseke, Mathias Noltemeyer, Peter G. Jones and George M. Sheldrick, pp 1309 DOI:10.1039/DT9860001309

Additions and corrections Alan W. Duff, Rose A. Kamarudin, Michael F. Lappert and Reginald J. Norton, pp 1311 DOI:10.1039/DT9860001311

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX023

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP025

Molybdenum-95 and carbon-13 nuclear magnetic shielding and bonding relationships in sandwich complexes Jennifer C. Green, Ruth A. Grieves and Joan Mason, pp 1313 DOI:10.1039/DT9860001313

Aziridinolysis patterns of (NPCl2)3 and (NPCl2)4; crystal structures of trans-N3P3(NC2H4)2Cl4 and 2,trans-4-N4P4(NC2H4)2Cl6 Adriaan A. van der Huizen, Johan C. van de Grampel, Jan W. Rusch, Theo Wilting, Fré van Bolhuis and Auke Meetsma, pp 1317 DOI:10.1039/DT9860001317

Tertiary phosphine aluminohydride complexes of chromium-, molybdenum-, and tungsten-(II) Andrew R. Barron, Julian E. Salt and Geoffrey Wilkinson, pp 1329 DOI:10.1039/DT9860001329

Reactions of halogenohydridobis(triethylphosphine)platinum(II) with trihalogenophosphines: some unusual complexes of PtII containing five-co-ordinated phosphorus Christopher W. Allen, E. A. V. Ebsworth, Steven G. Henderson, David W. H. Rankin, Heather E. Robertson, Bryan Turner and John D. Whitelock, pp 1333 DOI:10.1039/DT9860001333

Rhenium complexes with di- and tri-thiolate ligands. The synthesis and X-ray crystal structures of square pyramidal [PPh4][ReO(SCH2CH2S)2] and [NMe4][ReS(SCH2CH2S)2] and trigonal prismatic [PPh4][Re{(SCH2)3CCH3}2] Philip J. Blower, Jonathan R. Dilworth, John P. Hutchinson, Terence Nicholson and Jon Zubieta, pp 1339 DOI:10.1039/DT9860001339

Interactions between phenothiazine drugs and metal ions. Part 2. Crystal and molecular structure of protonated trichloro[2-chloro-10-(3-dimethylaminopropyl)phenothiazine-S]palladium(II), [Pd(cpzH)Cl3]; hydrogen-1 and carbon-13 nuclear magnetic resonance data for the chlorpromazine complexes [M(cpzH)Cl3](M = Pd or Pt) Nigel J. Mason, William J. Geary, Leslie A. Nixon and Ian W. Nowell, pp 1347 DOI:10.1039/DT9860001347

Synthesis and characterization of mono- and di-cyclometallated compounds of symmetric and asymmetric azines with palladium(II) and manganese(I). X-Ray crystal structure of [Mn(C6H4CHN-NCHPh)(CO)4] Rosa Maria Cedar, Joaquim Sales, Xavier Solans and Manual Font-Altaba, pp 1351 DOI:10.1039/DT9860001351

The synthesis, properties, and structure of bis(amidino)-complexes of palladium. The crystal structure of bis(N,N-di-p-tolylacetamidino)palladium(II) James Barker, Neil Cameron, Melvyn Kilner, Mouayed M. Mahoud and Stephen C. Wallwork, pp 1359 DOI:10.1039/DT9860001359

The effect of a dansyl group on the co-ordinative ability of N-protected amino acids. Part 2. Binary copper(II) complexes and their pyridine and 2,2-bipyridine adducts. Crystal and molecular structure of the complexes aquabis(N-dansylglycinato-O)bis(pyridine)copper(II) and (2,2-bipyridine)(N-dansylglycinato-NO)(methanol)copper(II), and neutral N-dansylglycine Luciano Antolini, Ledi Menabue, Marco Sola, Luigi Pietro Battaglia and Anna Bonamartini Corradi, pp 1367 DOI:10.1039/DT9860001367

Ligand fluxionality in close-packed rhodium carbonyl clusters Claudio Allevi, Brian T. Heaton, Claudio Seregni, Luisella Strona, Robin J. Goodfellow, the late Paolo Chini and Secondo Martinengo, pp 1375 DOI:10.1039/DT9860001375

Oxygenation studies. Part 8. Catalytic oxygenations of arylphosphines at platinum(0) Gordon Read and Miguel Urgelles, pp 1383 DOI:10.1039/DT9860001383

Reactivity of cyclothiaphosphazenes towards alkyl-lithium reagents Herman Winter and Johan C. van de Grampel, pp 1389 DOI:10.1039/DT9860001389

Synthesis and characterization of high-nuclearity osmium-platinum cluster compounds. The molecular structures of [Os6Pt2(CO)16(C8H12)2] and [Os6Pt2(CO)16(C8H12){P(OMe)3}2](C8H12= cyclo-octa-1,5-diene) Christians Couture and David H. Farrar, pp 1395 DOI:10.1039/DT9860001395

Actinide structural studies. Part 10. A mixed oxidation state neptunyl chloride: crystal structure of Cs7[NpVO2][NpVIO2]2Cl12 Nathaniel W. Alcock, David J. Flanders and David Brown, pp 1403 DOI:10.1039/DT9860001403

Vanadium-51 nuclear magnetic resonance study of sulphido- and oxosulphido-vanadate(V) species Aidan T. Harrison and Oliver W. Howarth, pp 1405 DOI:10.1039/DT9860001405

Trimethylenemethane metal complexes. Part 1. Synthesis of ruthenium, osmium, rhodium, and iridium complexes Michael D. Jones, Raymond D. W. Kemmitt and Andrew W. G. Platt, pp 1411 DOI:10.1039/DT9860001411

The reactions of di-µ-methylene-bis(pentamethylcyclopentadienyl)-dirhodium(IV) complexes with benzylmagnesium chloride and with alkynylmagnesium chloride; X-ray structure of [(5-C5Me5)Rh(CH2Ph)(µ-CH2)2Rh(4-C5Me5CH2Ph)] Neil J. Meanwell, Arnold J. Smith and Peter M. Maitlis, pp 1419 DOI:10.1039/DT9860001419

Solution conformation of aqueous lanthanide(III)-antipyrine complexes A. Louis du Preez and Robert J. P. Williams, pp 1425 DOI:10.1039/DT9860001425

Carbon-sulphur and carbon-hydrogen bond cleavages in the reactions of phenyl vinyl sulphide with triosmium clusters: crystal structure determination of [Os3(µ-SPh)(µ-CHCH2)(CO)10] Esther Boyar, Antony J. Deeming, Kim Henrick, Mary McPartlin and Anthony Scott, pp 1431 DOI:10.1039/DT9860001431

Chelation of vinyl acetate and related unsaturated ketones: molecular structure of [Os3(CO)10(CH2CHOCOMe)] Esther Boyar, Antony J. Deeming, Ian P. Rothwell, Kim Henrick and Mary McPartlin, pp 1437 DOI:10.1039/DT9860001437

The reactions of some methylphosphorus(V) compounds with 25 oleum and 100% H2SO4 Robert M. K. Deng and Keith B. Dillon, pp 1443 DOI:10.1039/DT9860001443

Magnetic exchange interactions in perovskite solid solutions. Part 6. Iron-57 and tin-119 Mössbauer spectra of SrFe1 -xSnxO3 -y(0 ?x? 0.7) Terence C. Gibb, pp 1447 DOI:10.1039/DT9860001447

Electron-transfer reactions in nitrogen fixation. Part 2. The electrosynthesis of ammonia: identification and estimation of products Christopher J. Pickett, Karl S. Ryder and Jean Talarmin, pp 1453 DOI:10.1039/DT9860001453

Molecular structures and dynamic behaviour of two isomers of [Ru3(µ-H)(µ3-Me2NC4H4)(CO)9] formed from 1-dimethylaminobut-2-yne and containing 2-alkene-1,3-diyl and 2-alkene-1,2-diyl ligands respectively Silvio Aime, Domenico Osella, Antony J. Deeming, Alejandro J. Arce, Michael B. Hursthouse and Helen M. Dawes, pp 1459 DOI:10.1039/DT9860001459

Electron spin resonance study of CH3CNSSN, C6H5CNSSN, and SNSSN+ free radicals Shirley A. Fairhurst, Karen M. Johnson, Leslie H. Sutcliffe, Keith F. Preston, Arthur J. Banister, Zdenek V. Hauptman and Jack Passmore, pp 1465 DOI:10.1039/DT9860001465

Mechanism of alkylation of alkyldiazenido-complexes of molybdenum(II) and tungsten(II): influence of metal and co-ligands on the nucleophilicity of a diazenido-group Wasif Hussain, G. Jeffery Leigh, Hapipah Modh-Ali and Christopher J. Pickett, pp 1473 DOI:10.1039/DT9860001473

Notes. Crystal and molecular structure of [AsPh4][Ru(DL-MeSeCH2CH2SeMe)Cl4] Eric G. Hope, Hilary C. Jewiss, William Levason and Michael Webster, pp 1479 DOI:10.1039/DT9860001479

Additions and corrections Pierre Braunstein, Dominique Matt, Dominique Nobel, Salah-Eddine Bouaoud, Brigitte Carluer, Daniel Grandjean and Paul Lemoine, pp 1483 DOI:10.1039/DT9860001483

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX027

Issue 8

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP029

The preparation of cis-folded macrocyclic nickel(II) complexes and the kinetics of their base-catalysed conversion to planar species Robert W. Hay and Mahesh P. Pujari, pp 1485 DOI:10.1039/DT9860001485

The mechanism of hydrogenation by aqueous chromium(II) ion of the carbon-carbon double bond of olefinic compounds with polar substituents Dimitris Katakis, Ersi Vrachnou-Astra and John Konstantatos, pp 1491 DOI:10.1039/DT9860001491

Carbon-13 nuclear magnetic resonance study of ternary complexes involving zinc(II) and triethylenetetramine Stephen P. Dagnall, David N. Hague and Anthony D. Moreton, pp 1499 DOI:10.1039/DT9860001499

Carbon-13 nuclear magnetic resonance study of complexes involving zinc(II) and 2,2,2-triaminotriethylamine Stephen P. Dagnall, David N. Hague and Anthony D. Moreton, pp 1505 DOI:10.1039/DT9860001505

Synthesis, characterization, and crystal structure of µ-[1-pyrrolidinecarbodithioato-S(Bi1,2)S(Bi2)]-1,1,1,2,2-pentakis(1-pyrrolidinecarbodithioato-SS)dibismuth(III) ethanol (1/1) and of di-µ-chloro-bis[bis(1-pyrrolidinecarbodithioato-SS)(thiourea-S)bismuth(III)] Luigi P. Battaglia and Anna Bonamartini Corradi, pp 1513 DOI:10.1039/DT9860001513

Electrocatalytic reduction of carbon dioxide to methanol. Part 2. Effects of metal complex and primary alcohol Kotaro Ogura and Kenji Takamagari, pp 1519 DOI:10.1039/DT9860001519

Bis-organoamide complexes of nitrosyl[tris(3,5-dimethylpyrazolyl)borato]molybdenum and -tungsten. The crystal and molecular structure of [Mo(NO){HB(Me2pz)3}(NHBun)2] Najat Al Obaidi, Thomas A. Hamor, Christopher J. Jones, Jon A. McCleverty and Keith Paxton, pp 1525 DOI:10.1039/DT9860001525

A cellular ligand-field study of the CuCl42- ion in Cs2[CuCl4] Robert J. Deeth and Malcolm Gerloch, pp 1531 DOI:10.1039/DT9860001531

A general synthetic route for platinum sulphur dioxide cluster compounds and the X-ray structural characterisation of di-µ-carbonyl-carbonyl-tri(µ-sulphur dioxide)-tetrakis(triphenylphosphine)pentaplatinum-dichloromethane-propan-2-ol (1/2/1), [Pt5(CO)(µ-CO)2(µ-SO2)3(PPh3)4]·2CH2Cl2·Me2CH(OH) Clive E. Briant, David G. Evans and D. Michael P. Mingos, pp 1535 DOI:10.1039/DT9860001535

Stereochemical activity of lone pairs. The crystal and molecular structures of the salts of chloro(1,4,7,10,13,16-hexaoxacyclo-octadecane)tin(II). Calculation of macrocyclic cavity size by force field methods Michael G. B. Drew and David G. Nicholson, pp 1543 DOI:10.1039/DT9860001543

Subvalent Group 4B metal alkyls and amides. Part 8. Germanium and tin carbene analogues MR2[M = Ge or Sn, R = CH(SiMe3)2]: syntheses and structures in the gas phase (electron diffraction); molecular-orbital calculations for MH2 and GeMe2 Torgny Fjeldberg, Arne Haaland, Birgitte E. R. Schilling, Michael F. Lappert and Andrew J. Thorne, pp 1551 DOI:10.1039/DT9860001551

X-Ray structure analysis of the salts [N(PPh3)2][M4H3(CO)12](M = Ru or Os); confirmation of the existence of discrete structural isomers for a hydridocarbonyl cluster in the solid state Mary McPartlin and William J. H. Nelson, pp 1557 DOI:10.1039/DT9860001557

Decomposition reactions of dimethyl-di-µ-methylene-bis(-pentamethylcyclopentadienyl)dirhodium and their relation to the mechanism of the Fischer-Tropsch reactions; the formation of propylene from three C1 ligands Isabel M. Saez, Neil J. Meanwell, Andrew Nutton, Kiyoshi Isobe, Amelio Vázquez de Miguel, Duncan W. Bruce, Seichi Okeya, David G. Andrews, Peter R. Ashton, Ian R. Johnstone and Peter M. Maitlis, pp 1565 DOI:10.1039/DT9860001565

Reactions of electrophilic alkynes with some iron and tungsten sulphur, selenium, and arsenic complexes Laurence Carlton, Jack L. Davidson and Mahmoud Shiralian, pp 1577 DOI:10.1039/DT9860001577

Characterisation of CrO2Br2 and CrO2BrCl by matrix-isolation infrared spectroscopy Eric G. Hope, William Levason, J. Steven Ogden and Mahmoud Tajik, pp 1587 DOI:10.1039/DT9860001587

Preparation of mer-[Mo(N2)3(PPrn2Ph)3] from trans-[Mo(N2)2(PPrn2Ph)4]; its X-ray crystal structure, spectroscopic properties, and protonation to give ammonia Stewart N. Anderson, David L. Hughes and Raymond L. Richards, pp 1591 DOI:10.1039/DT9860001591

Raman, resonance Raman, and infrared spectroscopic study of complexes containing copper(I)-tetrathio-molybdate(VI) and -tungstate(VI) anions Robin J. H. Clark, Stefan Joss, Maruta Zvagulis, C. David Garner and John R. Nicholson, pp 1595 DOI:10.1039/DT9860001595

Carbon-chlorine bond activation in 2-chloromethylallyl complexes of platinum(II) Raymond D. W. Kemmitt and Andrew W. G. Platt, pp 1603 DOI:10.1039/DT9860001603

Binding ability of acetamide oxime with proton, copper(II), and dioxouranium(VI) in aqueous solutions Takahiro Hirotsu, Shunsaku Katoh, Kazuhiko Sugasaka, Manabu Sen and Takaharu Itagaki, pp 1609 DOI:10.1039/DT9860001609

Reduction-oxidation properties of organotransition-metal complexes. Part 23. Pentaphenylcyclopentadienyl carbonyl complexes of cobalt and rhodium Neil G. Connelly and Stephen J. Raven, pp 1613 DOI:10.1039/DT9860001613

Reduction-oxidation properties of organotransition-metal complexes. Part 24. The oxidative dimerisation of [Ru(CO)2L(4-cot)](L = CO or PPh3, cot = cyclo-octatetraene) Neil G. Connelly, Paul G. Graham and John B. Sheridan, pp 1619 DOI:10.1039/DT9860001619

Mixed tri- and bi-dentate Schiff-base complexes of technetium(V) and rhenium(V). The crystal structure of N-(2-oxidophenyl)salicylideneiminato-NOO)oxo(8-quinolinolato-NO)technetium(V) Ulderico Mazzi, Fiorenzo Refosco, Francesco Tisato, Giuliano Bandoli and Marino Nicolini, pp 1623 DOI:10.1039/DT9860001623

Evidence for carbon-hydrogen-titanium interactions: synthesis and crystal structures of the agostic alkyls [TiCl3(Me2PCH2CH2PMe2)R](R = Et or Me) Zain Dawoodi, Malcolm L. H. Green, Victor S. B. Mtetwa, Keith Prout, Arthur J. Schultz, Jack M. Williams and Thomas F. Koetzle, pp 1629 DOI:10.1039/DT9860001629

Second-sphere co-ordination of cationic rhodium complexes [Rh(L)(NH3)2]+ by dibenzo-3n-crown-n ethers [n= 6-12; L = cyclo-octa-1,5-diene (cod) or norbornadiene (nbd)]. Solution 1H nuclear magnetic resonance spectroscopic studies and X-ray crystal structures of [Rh(cod)(NH3)2·db-21-c-7][PF6], [Rh(cod)(NH3)2·db-24-c-8][PF6], [Rh(cod)(NH3)2·db-30-c-10][PF6], [Rh(nbd)(NH3)2·db-24-c-8][PF6], and [{Rh(cod)(NH3)2}2·db-36-c-12][PF6]2 Howard M. Colquhoun, Simon M. Doughty, J. Fraser Stoddart, Alexandra M. Z. Slawin and David J. Williams, pp 1639 DOI:10.1039/DT9860001639

Structure-magnetism correlation in dimeric copper(II) carboxylates: crystal and molecular structure of tetra-µ-(propanoato-O,O)-bis[aquacopper(II)] Luigi Pietro Battaglia, Anna Bonamartini Corradi and Ledi Menabue, pp 1653 DOI:10.1039/DT9860001653

The electronic structure of substituted 1,2,4,5-tetraphosphaspiro[2.2]pentanes and 1,2,4,5-tetraphospha-3-silaspiro[2.2]pentanes Rolf Gleiter, Joachim Uschmann and Marianne Baudler, pp 1659 DOI:10.1039/DT9860001659

Cobalt(II) halide complexes in aqueous ammonium nitrate-calcium nitrate melts: electronic spectra and solvent extraction David H. Kerridge, Ruica Nikoli and Dragica Stojic, pp 1663 DOI:10.1039/DT9860001663

Photoredox chemistry of Keggin dodecatungstoborate [BW12O40]5- and role of heterogeneous catalysis in hydrogen formation Toshihiro Yamase and Reiko Watanabe, pp 1669 DOI:10.1039/DT9860001669

Preparation and studies of paramagnetic diene complexes of molybdenum(III); molecular and electronic structures of [MoCl2(-C4H6)(-C5H5)] and [Mo3(µ-Cl)(µ3-O){µ3-,:2:2-C4(CF3)4}(-C5H5)3] Jack L. Davidson, Keith Davidson, W. Edward Lindsell, Nicholas W. Murrall and Alan J. Welch, pp 1677 DOI:10.1039/DT9860001677

Instant ligands. Part 1. Preparation of some bidentate fluorophosphine ligands derived from straight chain organic substrates, and their reactions to form molybdenum complexes Graeme A. Bell and David W. H. Rankin, pp 1689 DOI:10.1039/DT9860001689

Kinetics and equilibria of 1 : 1 complex formation of hexa-aquatitanium(III) with malonic and methylmalonic acid Phalguni Chaudhuri and Hartmut Diebler, pp 1693 DOI:10.1039/DT9860001693

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 43. Carbon-tungsten triple bonds as formal four-electron donors; synthesis and reactions of the compounds [FeW(µ-CC6H4Me-4)(CO)5L]{L = HB(pz)3[tris(pyrazol-1-yl)borate] or -C5H5} and X-ray crystal structures of [FeW(µ-CC6H4Me-4)(CO)5{HB(pz)3}] and [FeW(µ-CC6H4Me-4)(CO)(µ-Me2PCH2PMe2)(CO)2{HB(pz)3}] Michael Green, Judith A. K. Howard, Alun P. James, Alasdair N. de M. Jelfs, Christine M. Nunn and F. Gordon A. Stone, pp 1697 DOI:10.1039/DT9860001697

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 44. Formation of unsaturated dimetal compounds with elimination of alkylidyne groups; X-ray crystal structures of [FeW(µ-PPh2)(CO)5{HB(pz)3}][HB(pz)3= tris(pyrazol-1-yl)borate] and [RhW(µ-CO)2(CO)(PPh3)2(-C5H5)] Simon V. Hoskins, Alun P. James, John C. Jeffery and F. Gordon A. Stone, pp 1709 DOI:10.1039/DT9860001709

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 45. Synthesis of the pentanuclear metal complexes [MM2Re2(µ-CC6H4Me-4)2(CO)18](M= Ni or Pt, M = Cr or W) and related compounds; X-ray crystal structure of [ReWPt(µ-CC6H4Me-4)(CO)9(PMe3)2] John C. Jeffery, Diane B. Lewis, Gregg E. Lewis, Michael J. Parrott and F. Gordon A. Stone, pp 1717 DOI:10.1039/DT9860001717

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 46. Synthesis of heteronuclear trimetal compounds from the dimetallic compounds [ReM(CC6H4Me-4)(CO)9](M = Cr, Mo, or W) and [CoW(CC6H4Me-4)(CO)8]; X-ray structure of [CrReFe(µ3-CC6H4Me-4)(µ-CO)(CO)11] David G. Evans, Judith A. K. Howard, John C. Jeffery, Diane B. Lewis, Gregg E. Lewis, Markus J. Grosse-Ophoff, Michael J. Parrott and F. Gordon A. Stone, pp 1723 DOI:10.1039/DT9860001723

Synthesis, spectroscopic, and structural studies of the methylpalladium(II) complexes [{PdMe(SMe2)X}2](X = Cl, Br, or I); crystal structure of trans-[{PdMe(SMe2)(µ-Cl)}2] Peter K. Byers, Allan J. Canty, Lutz M. Engelhardt and Allan H. White, pp 1731 DOI:10.1039/DT9860001731

The crystal structures of [Hpy]2[Sb2O BrnCl6 -n] where n= 0, 2, and 4 and Hpy = pyridinium; stabilisation by very strong N-H O hydrogen bonds Michael J. Begley, Michael Hall, Michael Nunn and D. Bryan Sowerby, pp 1735 DOI:10.1039/DT9860001735

Notes. Reduction of a dimeric tantalum(III) compound in acetonitrile solution by pulse radiolysis Anne-Marie Koulkès-Pujo, Brigitte Le Motais and Liliane G. Hubert-Pfalzgraf, pp 1741 DOI:10.1039/DT9860001741

Preparation of 1,4,8,11-tetrakis(2-pyridylmethyl)-1,4,8,11-tetra-azacyclotetradecane (L1) and a binuclear complex with copper(II). X-Ray structure of [Cu2L1Br2][ClO4]2 Nathaniel W. Alcock, Karapulli P. Balakrishnan and Peter Moore, pp 1743 DOI:10.1039/DT9860001743

Template preparation of a nickel(II) pyridinophane complex; crystal and molecular structure of cis-dichloro{2,11-dithia[3,3](2,6)pyridinophane}-nickel(II) Edwin C. Constable, Jack Lewis, Victoria E. Marquez and Paul R. Raithby, pp 1747 DOI:10.1039/DT9860001747

Additions and corrections Rafael Usón, Juan Forniés, Miguel A. Usón, José F. Vagüe, Peter G. Jones and Karen Meyerbäse, pp 1751 DOI:10.1039/DT9860001751

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX031

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP033

A neutron diffraction study of [N(PPh3)2]+[B2H7]-·CH2Cl2 at 80 K Saeed I. Khan, Michael Y. Chiang, Robert Bau, Thomas F. Koetzle, Sheldon G. Shore and Steven H. Lawrence, pp 1753 DOI:10.1039/DT9860001753

A structural and isotopic NO2- exchange rate comparison of trans-[Co(ao-H-ao)(NO2)2] and cis-[Co(Hao)2(NO2)2]NO3 Don E. Murray, Elmer O. Schlemper, Sutatip Siripaisarnpipat and R. Kent Murmann, pp 1759 DOI:10.1039/DT9860001759

Preparation and crystal structure of quasi-cylindrical crown ether complexes with dimethyl- and diethyl-thallium(III) perchlorates Kazuya Kobiro, Shigeki Takada, Yoshinobu Odaira and Yoshikane Kawasaki, pp 1767 DOI:10.1039/DT9860001767

Complexes of the platinum metals. Part 31. Reactions of binuclear ruthenium(II,III) and rhodium(II) carboxylates with chelating diphosphines;X-ray crystal structure of (acetato-O,O)bis[bis(diphenylphosphino)methane-P,P]ruthenium(II) tetraphenylborate Esther B. Boyar, P. Alexander Harding, Stephen D. Robinson and Carolyn P. Brock, pp 1771 DOI:10.1039/DT9860001771

Synthesis and characterisation of azido- and thiocyanato-gallium(III) porphyries. Crystal structure of azido(2,3,7,8,12,13,17,18-octaethyl-porphyrinato)gallium(III) Athanassios Coutsolelos, Roger Guilard, Abdallah Boukhris and Claude Lecomte, pp 1779 DOI:10.1039/DT9860001779

Ligand exchange reactions in cyclopalladated complexes of benzylideneanilines. Crystal structure of [Pd(C6H4CHNC6H5)Br(PPh3)2] Jaume Granell, Daniel Sainz, Joaquim Sales, Xavier Solans and Manuel Font-Altaba, pp 1785 DOI:10.1039/DT9860001785

Reaction of [(OC)2(cp)FeC(S)SFe(cp)(CO)2](cp =5-C5H5) with dicobalt octacarbonyl; X-ray crystal structure of [Co3Fe(cp)(CO)9(CS)] containing a six-electron donor thiocarbonyl group Luigi Busetto, Valerio Zanotti, Vincenzo G. Albano, Dario Braga and Magda Monari, pp 1791 DOI:10.1039/DT9860001791

Crystal structure and magnetic properties of the alternating chain [Cu2(cdta)]·4H2O Amparo Fuertes, Carlos Miravitlles, Emilio Escrivá, Eugenio Coronado and Daniel Beltrán, pp 1795 DOI:10.1039/DT9860001795

The reactivity of diphosphenes towards electrophilic and nucleophilic reagents Alan H. Cowley, Jan E. Kilduff, Nicholas C. Norman and Marek Pakulski, pp 1801 DOI:10.1039/DT9860001801

Bimetallic systems. Part 14. Mixed iridium(I)-platinum(II) acetylide complexes containing bridging Ph2PCH2PPh2 ligands David M. McEwan, David P. Markham, Paul G. Pringle and Bernard L. Shaw, pp 1809 DOI:10.1039/DT9860001809

Bimetallic systems. Part 15. Some reactions of platinum-manganese carbonyl complexes containing bridging Ph2PCH2PPh2(dppm) ligands Stuart W. Carr and Bernard L. Shaw, pp 1815 DOI:10.1039/DT9860001815

Gas-phase electron diffraction study of tetrafluoro(seleno)tungsten(VI), WSeF4 Kolbjørn Hagen, David A. Rice, John H. Holloway and Veneslav Kaui, pp 1821 DOI:10.1039/DT9860001821

On the identification of molybdophosphate complexes in aqueous solution J. A. Rob van Veen, Olof Sudmeijer, Cornelis A. Emeis and Henk de Wit, pp 1825 DOI:10.1039/DT9860001825

The oxovanadyl(IV) catalysed oxidation of adrenaline by molecular oxygen Reginald F. Jameson and Tamás Kiss, pp 1833 DOI:10.1039/DT9860001833

Synthesis, characterization, and kinetics of formation of [Cr(H2PO4)(H2O)5]2+ Cecili Arnau, Miguel Ferrer, Manuel Martinez and Angel Sánchez, pp 1839 DOI:10.1039/DT9860001839

Cyano derivatives of some organochlorophosphate(V) ions Robert M. K. Deng and Keith B. Dillon, pp 1843 DOI:10.1039/DT9860001843

Synthesis and reactivity of neutral and cationic pentafluorophenyl platinum(I) derivatives Rafael Usón, Juan Forniés, Pablo Espinet and Consuelo FortuñO, pp 1849 DOI:10.1039/DT9860001849

A potentiometric, spectrophotometric, and calorimetric investigation of molybdenum(VI)-oxalate complex formation Johannes J. Cruywagen, J. Bernard Heyns and Ronald F. van de Water, pp 1857 DOI:10.1039/DT9860001857

Nuclear magnetic resonance of binuclear complexes containing a metallacyclopentadiene system Silvio Aime and Ernesto Occhiello, pp 1863 DOI:10.1039/DT9860001863

Electrochemical oxidation of monosubstituted chromium carbonyl complexes. Ligand and solvent effects Isabel Chadwick, Carlos Díaz, Guillermo González, Marcía A. Santa Ana and Nicolás Yutronic, pp 1867 DOI:10.1039/DT9860001867

Tributyltin(IV) penta(methoxycarbonyl)cyclopentadienides [SnBu3L2]+-[C5(CO2Me)5]-. X-Ray crystal structure of the diaquatributyltin(IV) salt, [SnBu3(OH2)2][C5(CO2Me)5], and electron spin resonance spectrum of the radical C5(CO2Me)5 Alwyn G. Davies, Jeffrey P. Goddard, Michael B. Hursthouse and Nigel P. C. Walker, pp 1873 DOI:10.1039/DT9860001873

Synthesis, molecular structures, and nuclear magnetic resonance properties of the macropolyhedral metallaboranes [(PMe2Ph)4Pt3B14H16] and [(PMe2Ph)PtB16H18(PMe2Ph)], and a discussion of the bonding at platinum in these and some related platinaborane clusters Michael A. Beckett, Janet E. Crook, Norman N. Greenwood and John D. Kennedy, pp 1879 DOI:10.1039/DT9860001879

The synthesis, X-ray crystal structure, and solution characterization of a bis(diphosphine)-bridged dirhodium(I) complex containing a Rh2P4 six-membered ring Alvin L. Crumbliss, Robert J. Topping, Jerzy Szewczyk, Andrew T. McPhail and Louis D. Quin, pp 1895 DOI:10.1039/DT9860001895

The hydrolysis of metal ions. Part 9. Iron(III) in perchlorate, nitrate, and chloride media (1 mol dm-3) Ging H. Khoe, Paul L. Brown, Ronald N. Sylva and Robert G. Robins, pp 1901 DOI:10.1039/DT9860001901

Chatt's ligand constants: applicability and correspondence with Bursten's ligand additivity Dipankar Datta, pp 1907 DOI:10.1039/DT9860001907

Heterocyclic nitrogen-containing electron-pair donor ligands: a thermochemical study of adducts with zinc, cadmium, and mercury chlorides Claudio Airoldi, Maria L. C. P. Silva and Aécio P. Chagas, pp 1913 DOI:10.1039/DT9860001913

Electrochemistry of dinuclear, thiolato-bridged transition-metal compounds. Part 1. Electrochemical behaviour of [(5-C5H5)(CO)3M(µ-SR)W(CO)5](R = Me, M = Mo or W; R = Ph, M = W) complexes in non-aqueous media Jacqueline Courtot-Coupez, Jacques E. Guerchais, François Y. Pétillon and Jean Talarmin, pp 1917 DOI:10.1039/DT9860001917

Electrochemistry of dinuclear, thiolato-bridged transition-metal compounds. Part 2. Reductive electrochemistry of metal-metal bonded complexes [(5-C5H5)(CO)2Mo(µ-SMe)W(CO)4L][L = CO or P(OMe)3] Jacqueline Courtot-Coupez, Monique Guéguen, Jacques E. Guerchais, François Y. Pétillon and Jean Talarmin, pp 1923 DOI:10.1039/DT9860001923

Kinetics of the reduction of a tetra-µ-acetato-dirhodium cation by substituted 1,2- and 1,4-dihydroxybenzene compounds in aqueous perchlorate media John W. Herbert and Donal H. Macartney, pp 1931 DOI:10.1039/DT9860001931

The crystal and molecular structure of ferrocenium µ-Oxo-bis[trichloroferrate(III)]: a product of reaction of ferrocene with iron(III) chloride Graham J. Bullen, Brendan J. Howlin, Jack Silver, Brian W. Fitzsimmons, Ian Sayer and Leslie F. Larkworthy, pp 1937 DOI:10.1039/DT9860001937

Five-co-ordinated gold(III) complexes. Part 1. Synthesis, structure, and properties of bromodicyano(1,10-phenanthroline)gold(III)-dimethylformamide (1/1) Giampaolo Marangoni, Bruno Pitteri, Valerio Bertolasi, Gastone Gilli and Valeria Ferretti, pp 1941 DOI:10.1039/DT9860001941

Methyl- and phenyl-mercury(II) derivatives of 2-mercaptopyridine. Crystal and molecular structure of methyl(pyridine-2-thiolato)mercury(II) Alfonso Castiñiras, Wolfgang Hiller, Joachim Strähle, Jorge Bravo, José S. Casas, Miguel Gayoso and José Sordo, pp 1945 DOI:10.1039/DT9860001945

Preparation and crystal structure of an imidazolate-bridged polynuclear complex [{Cu(im)(dien)}n][CIO4]n(dien = diethylenetriamine), and its properties in dimethyl sulphoxide solution Masaaki Sato, Suguru Nagae, Katsumi Ohmae, Jun-ichi Nakaya, Kunio Miki and Nobutami Kasai, pp 1949 DOI:10.1039/DT9860001949

Tris-µ-[bis(diphenylphosphino)methane]-diplatinum(0) Ljubica Manojlovi-Muir, Kenneth W. Muir, Martin C. Grossel, Michael P. Brown, Charles D. Nelson, Ahmad Yavari, Elena Kallas, Roger P. Moulding and Kenneth R. Seddon, pp 1955 DOI:10.1039/DT9860001955

Lewis base adducts of Group 11 metal compounds. Part 24. Co-ordination of triphenylphosphine with silver nitrate. A solid-state cross-polarization magic angle spinning 31P nuclear magnetic resonance, crystal structure, and infrared spectroscopic study of Ag(PPh3)nNO3(n= 1-4) Peter F. Barron, Jeffery C. Dyason, Peter C. Healy, Lutz M. Engelhardt, Brian W. Skelton and Allan H. White, pp 1965 DOI:10.1039/DT9860001965

Reactions of co-ordinated ligands. Part 38. The reactions of 1,2-dienes,1,3-dienes, and alkynes with the µ-allylidene complex [Mo2(µ-:3-CHCHCMe2)-(Co)4(-C5H5)2]; molecular structures of [Mo(Co)2(-C5H5){µ-3:3-CH2C-(CH2)CHCHCMe2}Mo(CO)2(-C5H5)], [Mo2{µ-4-CMe2CHCHCHC(BUt)CO}-(CO)2(-C5H5)2] and [Mo(CO)2(-C5H5){µ-2:3-C(Me)C(Me)C(O)CHCHC-Me2}Mo(CO)2(-C5H5)] Michael Green, Richard J. Mercer, A. Guy Orpen, Colin J. Schaverien and Ian D. Williams, pp 1971 DOI:10.1039/DT9860001971

Adsorption equilibrium of uranium from aqueous [UO2(CO3)3]4- solutions on a polymer bearing amidoxime groups Takahiro Hirotsu, Shunsaku Katoh, Kazuhiko Sugasaka, Manabu Sen and Takaharu Itagaki, pp 1983 DOI:10.1039/DT9860001983

Formation and isomerisation of cis-bis(phenylethynyl)bis(tertiary phosphine)platinum complexes Ronald J. Cross and Michael F. Davidson, pp 1987 DOI:10.1039/DT9860001987

Notes. A kinetic investigation of the base-catalysed deuterium-exchange reaction of tris(2,2-bipyridine)osmium(II) ion in dimethyl sulphoxide solution Ole Wernberg, pp 1993 DOI:10.1039/DT9860001993

Effects of macrocyclic ligand structure and axial ligation on the ligand-field spectra of tetra-azamacrocyclic copper(II) complexes in co-ordinating solventst Der-Thin Wu, Tseng-Yuh Lee and Chung-Sun Chung, pp 1995 DOI:10.1039/DT9860001995

X-Ray crystal structure of [(1SR,4RS,7RS,8SR,11RS,14RS)-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetra-azacyclotetradecane]thiocyanatocopper(II) perchlorate dihydrate Tian-Huey Lu, Der-Thin Wu and Chung-Sun Chung, pp 1999 DOI:10.1039/DT9860001999

Synthesis of the new bidentate tellurium ligands, (p-EtOC6H4)Te-(CH2)nTe(C6H4OEt-p)(n-1,5,6,7,9, or 10) Hema M. K. K. Pathirana and William R. McWhinnie, pp 2003 DOI:10.1039/DT9860002003

Evidence for reaction at two binding sites in the oxidation of parsley plastocyanin by tris(1,10-phenanthroline)cobalt(III) Joseph McGinnis, John D. Sinclair-Day and A. Geoffrey Sykes, pp 2007 DOI:10.1039/DT9860002007

Effect of oxidation state of plastocyanin on the remote binding site pKa Joseph McGinnis, John D. Sinclair-Day and A. Geoffrey Sykes, pp 2011 DOI:10.1039/DT9860002011

Carbon-13 nuclear magnetic resonance studies of synthetic [Fe4S4(SR)4]2-iron sulphur clusters Timothy J. Ollerenshaw, Stuart Bristow, Badrinath N. Anand and C. David Garner, pp 2013 DOI:10.1039/DT9860002013

(2-Acetonitrile)bis(5-cyclopentadienyl)molybdenum(II):the first structurally characterized complex containing an 2-nitrile ligand Thomas C. Wright, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 2017 DOI:10.1039/DT9860002017

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX035

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX037

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP037

Metal complexes of sulphur-nitrogen ligands. Synthesis and characterization of palladium(II) complexes of 3-(mercaptomethyl)piperidine Joan Sola and Ramón Yáñez, pp 2021 DOI:10.1039/DT9860002021

Potentiometric studies on complexes of silver(I) in solutions. Part 2. Correlation between the stability of the silver(I)-azole complexes and the ligand basicity Barbara Barszcz, Mieczysaw Gabryszewski, Jacek Kulig and Beniamin Lenarcik, pp 2025 DOI:10.1039/DT9860002025

Kinetic and equilibrium studies of the copper(II) promoted hydrolysis of salicyl phosphate. A rate acceleration of 108 for the hydrolysis of a phosphate monoester dianion Robert W. Hay, Arup K. Basak and Mahesh P. Pujari, pp 2029 DOI:10.1039/DT9860002029

Structure and bonding in octahedral uranium(IV) complexes of the type UX4·2L (X = halogen, L = unidentate, neutral oxygen donor). Part 1. The crystal structures of tetrabromobis(NN-dimethyl-NN-diphenylurea)uranium(IV) and - and -tetrachlorobis(NN-dimethyl-NN-diphenylurea)uranium(IV) J. Ferdinand de Wet and Mino R. Caira, pp 2035 DOI:10.1039/DT9860002035

Structure and bonding in octahedral uranium(IV) complexes of the type UX4·2L (X = halogen, L = unidentate, neutral oxygen donor). Part 2. The crystal structures of tetrachlorobis[tris(pyrrolidinyl)phosphine oxide]-, tetrachlorobis(di-isobutyl sulphoxide)-, and tetrabromobis(triphenylarsine oxide)-uranium(IV) J. Ferdinand de Wet and Mino R. Caira, pp 2043 DOI:10.1039/DT9860002043

Specific effects of nucleophiles on the mercury(II)-assisted chloride aquation of the penta-amminechlorocobalt(III) cation and of the chloro[ethylenediaminetetra-acetato(3-)]cobaltate(III) anion Masayasu Iida and Hideo Yamatera, pp 2049 DOI:10.1039/DT9860002049

Reaction of NO2 with palladium(II) and platinum(II) aryl complexes; the crystal structure of tans-[Pd(ONO2)2(OPPh3)(PPh3)] Christopher J. Jones, Jon A. McCleverty, Anne S. Rothin, Harry Adams and Neil A. Bailey, pp 2055 DOI:10.1039/DT9860002055

Kinetic, spectroscopic, and structural (extended X-ray absorption fine structure) studies on the type 1 blue copper protein umecyanin Stephen K. Chapman, William H. Orme-Johnson, Joseph McGinnis, John D. Sinclair-Day, A. Geoffrey Sykes, Per-Ingvar Ohlsson and Karl-Gustav Paul, pp 2063 DOI:10.1039/DT9860002063

Kinetic studies on 1 : 1 electron-transfer reactions involving blue copper proteins. Part 12. Reactions of spinach plastocyanin with inorganic redox partners John D. Sinclair-Day and A. Geoffrey Sykes, pp 2069 DOI:10.1039/DT9860002069

Alkali-metal complexes with tris(2-diphenylphosphorylethyl)amine. Crystal structures of [Li2{N(CH2CH2POPh2)3}2][Li{N(CH2CH2POPh2)3}]2[BPh4]4 and [Na{N(CH2CH2POPh2)3}(H2O)(BuOH)]BPh4 Carlo A. Ghilardi, Paolo Innocenti, Stefano Midollini and Annabella Orlandini, pp 2075 DOI:10.1039/DT9860002075

The relative nucleophilic efficiency of water and the thiocyanate ion in the acid-catalysed substitution of azidopentacyanocobaltate(III) Moustafa H. M. Abou-El-Wafa, Michael G. Burnett and John F. McCullagh, pp 2083 DOI:10.1039/DT9860002083

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 47. Synthesis of tri-, tetra-, and penta-heteronuclear metal cluster compounds involving tungsten with platinum or nickel: crystal structures of the compounds [Pt3W2(µ3-CR)2(CO)4(cod)2(-C5H5)2] and [Pt2W3(µ-CR)2(µ3-CR)(CO)6(-C5H5)3](R = C6H4Me-4, cod = cyclo-octa-1,5-diene) Gregory P. Elliott, Judith A. K. Howard, Takaya Mise, Iain Moore, Christine M. Nunn and F. Gordon A. Stone, pp 2091 DOI:10.1039/DT9860002091

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 48. Reactions of the cluster complex [Fe2W(µ3-CC6H4Me-4)(µ-CO)(CO)8(-C5H5)] with [W(CR)(CO)2(-C5H5)](R = Me or C6H4Me-4); crystal structures of [FeW2(µ3-::2-CCH2)(CO)7(-C5H5)2] and [FeW2(µ3-MeC2C6H4Me-4)(CO)7(-C5H5)2] Esther Delgado, John C. Jeffery and F.Gordon A. Stone, pp 2105 DOI:10.1039/DT9860002105

Pentamethylcyclopentadienylrhodium complexes with the pyridazine ligand. Molecular structure of [{Rh(C5Me5)}2(µ-Cl)2(µ-pydz)][ClO4]2·H2O (pydz = pyridazine) Luis A. Oro, Daniel Carmona, Fernando J. Lahoz, M. Pilar Puebla, Montserrat Esteban, Concepción Foces-Foces and Félix H. Cano, pp 2113 DOI:10.1039/DT9860002113

Reactions of the metallabromoalkane [Mo{(CH2)3Br}(CO)3(-C5H5)] and the carbene complexes trans-[MoI{C(CH2)3O}(CO)2(-C5H4R)](R = H or Me) with Li(BEt3H). The synthesis (R = H or Me) and X-ray structure (R = Me) of [Mo{CH(CH2)3O}(CO)2(-C5H4R)] containing an unusual oxygen-molybdenum donor interaction Harry Adams, Neil A. Bailey, Philip Cahill, Deborah Rogers and Mark J. Winter, pp 2119 DOI:10.1039/DT9860002119

Syntheses and reactions of acyclic and cyclic carbene complexes cis-[MI(CMeNHMe)(CO)2(-C5H5)](M = Mo or W) and cis-[MI{C(CH2)nNMe}(CO)2(-C5H5)](M = Mo, n= 3 or 4; M = W, n= 3) obtained through alkyl migration to methyl isocyanide co-ordinated to molybdenum or tungsten. X-Ray structure of cis-[MoI{C(CH2)3NMe}(CO)2(-C5H5)] Harry Adams, Neil A. Bailey, Valerie A. Osborn and Mark J. Winter, pp 2127 DOI:10.1039/DT9860002127

Kinetics and mechanism of halide promoted migratory CO insertion of fac-[FeMe{o-C6H4(AsMe2)2}(CO)3]ClO4 Avery Earle and Chester R. Jablonski, pp 2137 DOI:10.1039/DT9860002137

Substitution kinetics of [Os3(CO)11(NCMe)] and [Os3(CO)10(NCMe)2] Karl Dahlinger, Anthony J. Poë, Pardeep K. Sayal and Vasu C. Sekhar, pp 2145 DOI:10.1039/DT9860002145

Synthesis and characterisation of a phosphido-bridged ruthenium cluster: crystal and molecular structure of [Ru5C(µ-H)(µ-PPh2)(CO)13] Stephen L. Cook, John Evans, Leslie R. Gray and Michael Webster, pp 2149 DOI:10.1039/DT9860002149

Mechanisms of reactions of bases with trans-[Mo(NNH2)X(Ph2PCH2CH2PPh2)2]+(X = F, Br, or p-MeC6H4SO3) Janette D. Lane and Richard A. Henderson, pp 2155 DOI:10.1039/DT9860002155

The reaction of WS2Cl2 with pyridine: crystal structure of di-µ-sulphidobis[chlorobis(pyridine)sulphidotungsten(V)]-pyridine (1/2), [W2S4Cl2(py)4]·2py Michael G. B. Drew, Richard J. Hobson, David A. Rice and Neil Turp, pp 2165 DOI:10.1039/DT9860002165

Crystal structure and magnetic properties of dimeric [2-hydroxypropane-1,3-diylbis(3-t-butyl-5-methylsalicylideneiminato)]copper(II) Elke Hilms, Horst Elias, Helmut Paulus and Leonhard Walz, pp 2169 DOI:10.1039/DT9860002169

Nuclear magnetic resonance investigations of configurational non-rigidity in dinuclear platinum(IV) complexes. Part 7. Intramolecular rearrangements in complexes of tris(methylthio)methane Edward W. Abel, Thomas E. MacKenzie, Keith G. Orrell and Vladimir ik, pp 2173 DOI:10.1039/DT9860002173

The heteronuclear cluster chemistry of the Group 1B metals. Part 1. Structural similarities and differences among mixed-metal cluster compounds containing copper, silver, or gold atoms ligated by phosphines. X-Ray crystal structures of [CuRu4(µ3-H)3(CO)12(PMePh2)] and [CuRu3(CO)9(C2But)(PPh3)] Robert A. Brice, Sheena C. Pearse, Ian D. Salter and Kim Henrick, pp 2181 DOI:10.1039/DT9860002181

3-Allyl rhodium complexes with azolate ligands. Crystal structures of the trinuclear 1,2,4-triazolate (tz) complexes [Rh3(µ-tz)3(3-C3H5)6] and [Rh3(µ3-tz)(µ-Cl)Cl(3-C3H5)2(CO)4]·0.5C2H4Cl2 Luis A. Oro, M. Teresa Pinillos, Cristina Tejel, Concha Foces-Foces and Felix H. Cano, pp 2193 DOI:10.1039/DT9860002193

Synthesis of the tridentate pyridine donor 2,6-bis[1-phenyl-1-(pyridin-2-yl)ethyl]pyridine (L), including separation of meso and rac diastereoisomers via methylmercury(II) derivatives, and an X-ray structural study of [HgMe(meso-L)]NO3·2H2O Allan J. Canty, Nigel J. Minchin, Brian W. Skelton and Allan H. White, pp 2201 DOI:10.1039/DT9860002201

Interaction of palladium(II) acetate with substituted pyridines, including a cyclometallation reaction and the structure of [Pd{meso-[(py)PhMeC]2C5H3N}(O2CMe)][O2CMe]·3H2O Allan J. Canty, Nigel J. Minchin, Brian W. Skelton and Allan H. White, pp 2205 DOI:10.1039/DT9860002205

Magnetic and spectroscopic study of some binuclear and trinuclear cobalt(II) carboxylate complexes Ian R. Little, Brian P. Straughan and Peter Thornton, pp 2211 DOI:10.1039/DT9860002211

Synthesis and reactivity of bis(o-nitrophenyl)platinum. X-Ray crystal and molecular structure of [Pt{o-C6H4N(O)O}(o-C6H4NO2)(PPh3)] José Vicente, Maria-Teresa Chicote, José Martin, Peter G. Jones, Christa Fittschen and George M. Sheldrick, pp 2215 DOI:10.1039/DT9860002215

A potentiometric and spectroscopic study of the interaction of the N terminal tetrapeptide fragment of fibrinopeptide A with CuII and NiII Brigitte Decock-Le Reverend, Liva Andrianarijaona, Cynara Livera, Leslie D. Pettit, Ian Steel and Henryk Kozlowski, pp 2221 DOI:10.1039/DT9860002221

The chemistry of [W(PMe3)4(2-CH2PMe2)H]: synthesis of hydroxy-hydrido, fluoro-hydrido, and silyl-hydrido derivatives and the dimerisation of ethylene and propene giving 4-diene derivatives. Crystal structure of [W(PMe3)4H2(OH2)F]F Malcolm L. H. Green, Gerard Parkin, Mingqin Chen and Keith Prout, pp 2227 DOI:10.1039/DT9860002227

Triaquahenicosatungstodiphosphate(6-) heteropolyanion, [P2W21O71(OH2)3]6- : X-ray crystallographic and 183W nuclear magnetic resonance structural studies Claude M. Tourné, Gilbert F. Tourné and Timothy J. R. Weakley, pp 2237 DOI:10.1039/DT9860002237

Reactions of metal ions with triketones. Part 3. Kinetics and mechanisms of the reactions of nickel(II) and cobalt(II) with 1-phenylhexane-1,3,5-trione in methanol-water (70 : 30 v/v) solution James Walsh and Michael J. Hynes, pp 2243 DOI:10.1039/DT9860002243

Magic-angle spinning phosphorus-31 nuclear magnetic resonance of polycrystalline sodium phosphates Lee Griffiths, Andrew Root, Robin K. Harris, Kenneth J. Packer, A. Margaret Chippendale and Fred R. Tromans, pp 2247 DOI:10.1039/DT9860002247

The preparation and crystal and molecular structures of trichlorobis(methyldiphenylphosphine)vanadium(III) and its acetonitrile adduct John Bultitude, Leslie F. Larkworthy, David C. Povey, Gallienus W. Smith and Jonathan R. Dilworth, pp 2253 DOI:10.1039/DT9860002253

Reversible carbon-nitrogen bond formation in the isomerisation of triosmium compounds derived from t-butyldiazomethane (ButCHN2); the X-ray crystal structure of [Os3H2(ButCHNNCO)(CO)8(PMe2Ph)] Antony J. Deeming, Yoshio Fuchita, Kenneth Hardcastle, Kim Henrick and Mary McPartlin, pp 2259 DOI:10.1039/DT9860002259

The temperature dependence of 29Si nuclear magnetic resonance linewidths in aqueous silicate solutions and their effect on exchange rate determinations Lee Griffiths, Colin S. Cundy and Richard J. Plaisted, pp 2265 DOI:10.1039/DT9860002265

Iron complexes of N-substituted thiosalicylideneimines. Part 4. Preparation, structure, and reactivity of pentadentate [N,N-4-azaheptane-1,7-diylbis(thiosalicylideneiminato)]iron(II) derivatives Gary D. Fallon, Peter J. Nichols and Bruce O. West, pp 2271 DOI:10.1039/DT9860002271

Preparation and nuclear magnetic resonance properties of eleven-vertex closo-type osmaundecaboranes and the X-ray crystal structure of the ortho-cycloboronated compound [2,5-(OEt)2-1-(PPh3)-1-(o-Ph2PC6H4)-closo-1-OsB10H7-3] Margaret Elrington, Norman N. Greenwood, John D. Kennedy and Mark Thornton-Pett, pp 2277 DOI:10.1039/DT9860002277

Notes. Synthesis, crystal structure and gas-phase photoelectron spectroscopic study of B,B-bis(1,3-dicyclohexyl-1,3,2-diazaborolidin-2-yl) George Ferguson, Masood Parvez, R. Paul Brint, Deirdre C. M. Power, Trevor R. Spalding and D. Robert Lloyd, pp 2283 DOI:10.1039/DT9860002283

Additions and corrections William Clegg, Ian R. Little, Brian P. Straughan, Herbert W. Roesky, Ulrich Seseke, Mathias Noltemeyer, Peter G. Jones and George M. Sheldrick, pp 2287 DOI:10.1039/DT9860002287

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX039

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX041

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP041

cis and trans Palladium(II) and platinum(II) complexes with 1,8-bis(diphenylphosphino)-3,6-dioxaoctane and their structural characterization. The first example of an eleven-membered diphosphine chelate involving cis geometry W. Eugene Hill, John G. Taylor, Christopher P. Falshaw, (the late) Trevor J. King, Brian Beagley, David M. Tonge, Robin G. Pritchard and Charles A. McAuliffe, pp 2289 DOI:10.1039/DT9860002289

Electrochemistry of the manganese(III)-manganese(IV) 5,10,15,20-tetrakis(p-trimethylammoniophenyl)porphyrinate couple Armand Bettelheim, Dan Ozer and Dan Weinraub, pp 2297 DOI:10.1039/DT9860002297

Fluorescent copper(I) complexes: correlation of structural and emission characteristics of [{Cul(quin)2}2] and [Cu4I4(quin)4](quin = quinoline) Nigam P. Rath, Elizabeth M. Holt and Katsumi tanimura, pp 2303 DOI:10.1039/DT9860002303

Dioxygen activation in the photochemistry of some oxo-metalloporphyrin complexes Paola Bergamini, Silvana Sostero, Orazio Traverso, Paola Deplano and Lon J. Wilson, pp 2311 DOI:10.1039/DT9860002311

Sterically hindered metal alkenyls. Part 1. Synthesis, reactions, and crystal and molecular structures of some palladium and platinum -alkenyls Christine J. Cardin, David J. Cardin, Hans E. Parge and Alice C. Sullivan, pp 2315 DOI:10.1039/DT9860002315

Sterically hindered metal alkenyls. Part 2. Synthesis and properties of tin(IV) alkenyls: stereochemical features and energetics of isomerisation of SnMe2[C(C10H7)CMe2]2 David J. Cardin and Alice C. Sullivan, pp 2321 DOI:10.1039/DT9860002321

Spectroscopic and calorimetric studies of the complexing ability of some polyamido polymers containing amino-acid residues Rolando Barbucci, Michel J. M. Campbell, Mario Casolaro, Mila Nocentini, Gianna Reginato and Paolo Ferruti, pp 2325 DOI:10.1039/DT9860002325

Metal complexes of uridine in solution Pulimamidi Rabindra Reddy and V. B. Malleswara Rao, pp 2331 DOI:10.1039/DT9860002331

X-Ray crystal structure of the complex of 15-crown-5 (1,4,7,10,13-pentaoxacyclopentadecane) with diaquatetrachlorotin(IV) at 120 K Edward Hough, David G. Nicholson and Asha K. Vasudevan, pp 2335 DOI:10.1039/DT9860002335

Synthesis, spectroscopic characterization, and magnetic properties of a mixed-valence copper(I,II) acetato complex with triphenylphosphine. Crystal structure of hexa-µ-acetato-tetrakis(triphenylphosphine)tetracopper(I,II) Duan Valigura, Marian Koman, Edita uranská, Gregor Ondrejovi and Jerzy Mroziski, pp 2339 DOI:10.1039/DT9860002339

Determination of the bonding preference of borane (BH3) toward aminoarsines by multinuclear nuclear magnetic resonance spectroscopy Ravindra K. Kanjolia, Larry K. Krannich and Charles L. Watkins, pp 2345 DOI:10.1039/DT9860002345

The complex [Fe(phen)2(CN)2](phen = 1,10-phenanthroline) and its solutions Alfred G. Maddock, pp 2349 DOI:10.1039/DT9860002349

Preparation, stereochemistry, and crystal structures of some complexes of the macrocycle 3,3,7,7,11,11,15,15-octamethyl-1,9-dithia-5,13-diazacyclohexadecane with CoII, NiII, CuI, CuII, ZnII, RhIII, AgI, CdII, PtII, and HgII salts Robert McCrindle, George Ferguson, Alan J. McAlees, Masood Parvez, Barbara L. Ruhl, Donald K. Stephenson and Tadeusz Wieckowski, pp 2351 DOI:10.1039/DT9860002351

Some attempts to prepare five-co-ordinated gold(III) complexes. Crystal and molecular structures of [Au(C6H4CH2NMe2-2)(phen)(PPh3)][BF4]2·CH2Cl2, [Au(C6H4CH2NMe2-2)(NC9H6O)]BF4, and [Au(C6H4CH2NMe2-2)(H2NC6H4S)]ClO4 José Vicente, María T. Chicote, María D. Bermúdez, Peter G. Jones, Christa Fittschen and George M. Sheldrick, pp 2361 DOI:10.1039/DT9860002361

The preparation and characterisation of (disulphur dinitrido)bis(phosphine) complexes, [M(S2N2)(PR3)2](M = Pt, PR3= PMe3, PMe2PH, PMePh2, PPh3, PEt3, PPrn3, PBun3, or ½Ph2PCH2CH2PPh2; M = Pd, PR3=½Ph2PCH2CH2PPh2). X-Ray crystal structure of [Pt(S2N2)(PMe3)2] Paul A. Bates, Michael B. Hursthouse, Paul F. Kelly and J. Derek Woollins, pp 2367 DOI:10.1039/DT9860002367

Poly(sulphur nitride): an assessment of the synthesis from trichlorocyclotri(azathiene) and trimethylsilyl azide Arthur J. Banister, Zdenek V. Hauptman, Jack Passmore, Chi-Ming Wong and Peter S. White, pp 2371 DOI:10.1039/DT9860002371

Copper co-ordination chemistry of some quadridentate pyridazine and phthalazine (N4) thioether ligands. Binuclear copper(II) complexes exhibiting two-electron reduction at positive potentials Tai Chin Woon, Robert McDonald, Sanat K. Mandal, Laurence K. Thompson, Sean P. Connors and Anthony W. Addison, pp 2381 DOI:10.1039/DT9860002381

Subvalent Group 4B metal alkyls and amides. Part 9. Germanium and tin alkene analogues, the dimetallenes M2R4[M = Ge or Sn, R = CH(SiMe3)2]: X-ray structures, molecular orbital calculations for M2H4, and trends in the series M2R4[M = C, Si, Ge, or Sn; R= R, Ph, C6H2Me3-2,4,6, or C6H3Et2-2,6] David E. Goldberg, Peter B. Hitchcock, Michael F. Lappert, K. Mark Thomas, Andrew J. Thorne, Torgny Fjeldberg, Arne Haaland and Birgitte E. R. Schilling, pp 2387 DOI:10.1039/DT9860002387

Lanthanide complexes of 1,4,7,10-tetra-azacyclotridecane-1,4,7,10-tetra-acetic acid: proton nuclear magnetic resonance studies José R. Ascenso, Rita Delgado and João J. R. Fraústo da Silva, pp 2395 DOI:10.1039/DT9860002395

The reactions of acids and alkyl iodides with [Fe2(-C5H5)2(CNMe)4] and related complexes A. R. Manning and Paul Murray, pp 2399 DOI:10.1039/DT9860002399

Molybdenum-mediated methoxycarbonylation of propargyl halides: molecular and crystal structure of the vinylmolybdenum(II) complex [Mo(bipy)(CO)2(C5H7O2)(py)]BF4 Brian J. Brisdon, David W. Brown, Colin R. Willis and Michael G. B. Drew, pp 2405 DOI:10.1039/DT9860002405

Chemistry of tetrairidium carbonyl clusters. Part 1. Synthesis, chemical characterization, and nuclear magnetic resonance study of mono- and di-substituted phosphine derivatives. X-Ray crystal structure determination of the diaxial isomer of [Ir4(CO)7(µ-CO)3(Me2PCH2CH2PMe2)] Renzo Ros, Alberto Scrivanti, Vincenzo G. Albano, Dario Braga and Luigi Garlaschelli, pp 2411 DOI:10.1039/DT9860002411

Co-ordinatively unsaturated alkyne complexes of molybdenum and tungsten: reactions and dynamic nuclear magnetic resonance studies of [M(SC6F5)(CO)(CF3CCCF3)(5-C5H5)](M = Mo or W) complexes Jack L. Davidson, pp 2423 DOI:10.1039/DT9860002423

Synthesis, reactions, and nuclear magnetic resonance studies of some substituted arachno-decaborane and arachno-nonaborane derivatives, and the isolation of novel polyhedral diplatinaboranes. Crystal and molecular structure of [Pt2(PMe2Ph)2(3-B2H5)(3-B6H9)] Rohana Ahmad, Janet E. Crook, Norman N. Greenwood and John D. Kennedy, pp 2433 DOI:10.1039/DT9860002433

Studies on transition-metal-peptide complexes. Part 12. Copper(II) complexes of dipeptides containing phenylalanine and tyrosine Tamás Kiss and Zoltán Szücs, pp 2443 DOI:10.1039/DT9860002443

Fluorescent copper(I) complexes: an X-ray diffraction study of complexes of copper(I) iodide and pyridine derivatives of rhombic, [Cu2I2(3Me-py)4], and polymeric structure, [{Cul(2me-py)}] and [{Cul(2,4Me2-py)}] Nigam P. Rath, Jana L. Maxwell and Elizabeth M. Holt, pp 2449 DOI:10.1039/DT9860002449

Thiosemicarbazones as co-ordinating agents. Solution chemistry and X-ray structure of pyridoxal thiosemicarbazone trihydrate and spectroscopic properties of its metal complexes M. Ferrari Belicchi, G. Fava Gasparri, E. Leporati, C. Pelizzi, P. Tarasconi and G. Tosi, pp 2455 DOI:10.1039/DT9860002455

Synthesis and chemical characterization of the chalcogenide capped iridium carbonyl anions: [Ir3(µ3-X)2(CO)6]-(X = S or Se). Crystal and molecular structures of [NMe3(CH2Ph)][Ir3(µ3-S)2(CO)6] and [NMe4][Ir3(µ3-Se)2(CO)6] Roberto Della Pergola, Luigi Garlaschelli, Secondo Martinengo, Francesco Demartin, Mario Manassero and Mirella Sansoni, pp 2463 DOI:10.1039/DT9860002463

-Arene-rhenium chemistry: activation of sp3 carbon-hydrogen bonds of alkylbenzenes by rhenium; formation of binuclear µ-alkylidene derivatives Malcolm L. H. Green and Dermot O'Hare, pp 2469 DOI:10.1039/DT9860002469

Arene-osmium chemistry: synthesis via osmium atoms of [Os(6-C6H6)(4-C6H6)],[{OS(6-C6H3Me3-1,3,5)}2(µ-H)2{µ-CH(C6H3Me2-3,5)}], [{OS(6-C6H3Me3-1,3,5)}2(µ-CHC6H3Me2-3,5)], and [{OS(6-C6H6)}3{µ3-(CH2)3CH}(µ-H)3]. X-Ray crystal structure of [{Os(6-C6H3Me3-1,3,5)}2(µ-CHC6H3Me2-3,5)] Judith A. Bandy, Malcolm L. H. Green and Dermot O'Hare, pp 2477 DOI:10.1039/DT9860002477

Preparation and photochemical properties of water-soluble polymers with pendant tris(2,2-bipyridyl)ruthenium(II) groups. N-Ethylated copolymers of vinylpyridine and cis-bis(2,2-bipyridyl)(4-methyl-4-vinyl-2,2-bipyridyl)ruthenium(II) Patricia M. Ennis, John M. Kelly and Catherine M. O'Connell, pp 2485 DOI:10.1039/DT9860002485

Notes. Isolation and crystal structure of [NHMe3]2[ZrCl4(OMe)(MeOH)]Cl. The first example of a linear zirconium-methoxide bond: structural and bonding implications Rajesh Karia, Gerald R. Willey and Michael G. B. Drew, pp 2493 DOI:10.1039/DT9860002493

Complexation of lanthanides by linear polyethers in propylene carbonate: a crown-like behaviour Pierre P. Barthélemy, Jean F. Desreux and Jean Massaux, pp 2497 DOI:10.1039/DT9860002497

Reaction of nitrobenzene with [M3(CO)12](M = Fe or Ru) in the presence of [Co2(CO)8]: isolation and structure of [Ru3(CO)7(NPh)(6-C6H6)] Amitabha Basu, Sumit Bhaduri, Hanif Khwaja, Peter G. Jones, Karen Meyer-Bäse and George M. Sheldrick, pp 2501 DOI:10.1039/DT9860002501

Letters Robert D. Hancock, Michael G. B. Drew and Paul C. Yates, pp 2505 DOI:10.1039/DT9860002505

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX043

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FX045

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600FP045

Ring size effects on the chemical properties of tervalent nickel complexes with tetra-aza macrocyclic ligands in aqueous solutions. An electrochemical and pulse radiolytic study Nusrallah Jubran, Dan Meyerstein, Jacob Koresh and Haim Cohen, pp 2509 DOI:10.1039/DT9860002509

A general route for the synthesis of tetranuclear clusters containing closed triruthenium and triosmium triangles Gary A. Foulds, Brian F. G. Johnson, Jack Lewis and Robert M. Sorrell, pp 2515 DOI:10.1039/DT9860002515

Thermal, spectroscopic, and structural properties of aqua(malonato-O,O)(1,10-phenanthroline)copper(II) hydrate (1/1.5) Whei-Lu Kwik, Kok-Peng Ang, H. Sze-Oon Chan, Venkatasuryanarayana Chebolu and Stephen A. Koch, pp 2519 DOI:10.1039/DT9860002519

Tris(3,6-dioxaheptyl)amine alkali-metal cation complexes. A fast atom bombardment mass spectrometry, infrared, and nuclear magnetic resonance study Jack M. Miller, Stephen J. Brown, Roger Theberge and James H. Clark, pp 2525 DOI:10.1039/DT9860002525

Crystal and molecular structure of [H3N(CH2)2NH2(CH2)2NH3]2HgCl8: a compound containing a discrete axially-compressed trigonal-bipyramidal pentachloromercurate anion Luigi P. Battaglia, Anna Bonamartini Corradi, Luciano Antolini, Tiziano Manfredini, Ledi Menabue, Gian Carlo Pellacani and Gustavo Ponticelli, pp 2529 DOI:10.1039/DT9860002529

Mechanism of reactions of cobalt(II) protoporphyrin IX dimethyl ester in protic and aprotic, co-ordinating solvents Duanka Pavlovi, Smiljko Aperger and Bujar Domi, pp 2535 DOI:10.1039/DT9860002535

Synthetic and solution studies on metal complexes of N,N,N,N-tetrakis(2-carbamoylethyl)ethylenediamine Robert W. Hay, Mahesh P. Pujari, Norman Govan and Angelo Perotti, pp 2539 DOI:10.1039/DT9860002539

Structure and fluxional behaviour of some aqua-complexes of rhodium(III) and iridium(III) Antony J. Deeming, Graeme P. Proud, Helen M. Dawes and Michael B. Hursthouse, pp 2545 DOI:10.1039/DT9860002545

Arenediazonium complexes of cobalt(I): synthesis and properties Gabriele Albertin and Emilio Bordignon, pp 2551 DOI:10.1039/DT9860002551

Cluster chemistry. Part 45. Synthesis and some reactions of [Ru3(µ3-PPhCH2PPh2)(CO)9]- : X-ray crystal structures of [MRu3(µ3-PPhCH2PPh2)(CO)9(PPh3)](M = Cu, Ag, or Au) Michael I. Bruce, Michael L. Williams, Jennifer M. Patrick, Brian W. Skelton and Allan H. White, pp 2557 DOI:10.1039/DT9860002557

Di-iodine oxidation of molybdenum(0)-6-arene complexes. New results on molybdenum(II) and tungsten(II) carbonyl derivatives; crystal structures of [Ml(CO)3(6-C6H3Me3-1,3,5)][M2I5(CO)6](M = Mo or W) and [Mol(CO)3(6-C6Me6)][Mol3(CO)4] Aldo Barbati, Fausto Calderazzo, Rinaldo Poli and Pier Francesco Zanazzi, pp 2569 DOI:10.1039/DT9860002569

The photoelectron spectrum of hexacarbonyl-µ-di-t-butylacetylene-di-iron: a joint experimental and theoretical study Renzo Bertoncello, Gaetano Granozzi, Peter àrsky, Roland Wiest and Marc Bénard, pp 2581 DOI:10.1039/DT9860002581

Complex formation equilibria between 2-amino-N-hydroxyacetamide and 2-amino-N-hydroxypentanamide and cobalt (II), nickel(II), copper(II), and hydrogen ions in aqueous solutions Enrico Leporati, pp 2587 DOI:10.1039/DT9860002587

Kinetics of the oxidation of water by silver(II) ions complexed with 2,2-bipyridine in aqueous nitrate media Malcolm P. Heyward and Cecil F. Wells, pp 2593 DOI:10.1039/DT9860002593

Reactions in mixed non-aqueous solutions containing sulphur dioxide. Part 7. A Raman spectroscopic study of adduct formation between sulphur dioxide and dimethyl sulphoxide J. Bernard Gill, David C. Goodall, Brian Jeffreys and Peter Gans, pp 2597 DOI:10.1039/DT9860002597

Reactions in mixed non-aqueous solutions containing sulphur dioxide. Part 8. Phase studies of sulphur dioxide-dimethyl sulphoxide and sulphur dioxide-dimethylformamide mixtures J. Bernard Gill, David C. Goodall and Brian Jeffreys, pp 2603 DOI:10.1039/DT9860002603

Reactions of the dirhenium(II) complexes [Re2X4(dppm)2](X = Cl or Br, dppm = Ph2PCH2PPh2) with isocyanides. Part 2. The A-frame-like monoisocyanide species [Re2(µ-X)(µ-dppm)2X3(CNR)]n+(R = Me, But, or C6H3Me2-2,6; n= 0 or 1) Lori Beth Anderson, Timothy J. Barder, David Esjornson, Richard A. Walton and Bruce E. Bursten, pp 2607 DOI:10.1039/DT9860002607

Dimethylthallium(III) complex of a cylindrical crown ether: molecular structure of [Tl(CH3)2(L)]ClO4 Kazuya Kobiro, Mitsuru Takahashi, Yoshinobu Odaira, Yoshikane Kawasaki, Yasushi Kai and Nobutami Kasai, pp 2613 DOI:10.1039/DT9860002613

Tetraethyl diphosphite-bridged binuclear carbonyl derivatives of decacarbonyldimanganese and pentacarbonylmanganese halides Victor Riera and Miguel A. Ruiz, pp 2617 DOI:10.1039/DT9860002617

Structural studies of potassium tetrafluorochromate(III), K[CrF4], and the novel mixed chloride fluoride, dipotassium dichlorohexafluorotrichromate(II), K2[Cr3Cl2F6] John C. Dewan, Anthony J. Edwards and John J. Guy, pp 2623 DOI:10.1039/DT9860002623

Thermodynamic parameters of the complexation of trivalent lanthanides by monocyclic and bicyclic cryptands and the tripodal ligand tris(3,6-dioxaheptyl)amine in propylene carbonate Françoise Arnaud-Neu, Edouard L. Loufouilou and Marie-José Schwing-Weill, pp 2629 DOI:10.1039/DT9860002629

Crystal structures and magnetism of binuclear copper(II) complexes with alkoxide bridges. Importance of orbital complementarity in spin coupling through two different bridging groups Yuzo Nishida and Sigeo Kida, pp 2633 DOI:10.1039/DT9860002633

Tetra-alkylammonium fluorides and chlorides in glacial acetic acid solution: nuclear magnetic resonance studies, deuterium fractionation factors (), and anion hydrogen bonding John Emsley, (the late) Victor Gold and Wing Tsee Alice Szeto, pp 2641 DOI:10.1039/DT9860002641

Borane anions with bridging cyanide ligands; preparation and properties of derivatives of [B3H8]- and [B9H14]- Dominic G. Meina and John H. Morris, pp 2645 DOI:10.1039/DT9860002645

Anodically generated mercury(II) ion as an indicator for metal-ligand formation equilibria David R. Crow, pp 2651 DOI:10.1039/DT9860002651

Proton ENDOR spectroscopy of bis(2,2,6,6-tetramethylheptane-3,5-dionato)copper(II) and crystal structure of bis(2,2,6,6-tetramethylheptane-3,5-dionato)palladium(II) Gareth J. Baker, J. Barrie Raynor, Jan M. M. Smits, Paul T. Beurskens, Huub Vergoossen and C. (Kees) P. Keijzers, pp 2655 DOI:10.1039/DT9860002655

ENDOR Spectroscopy of bis(pentane-2,4-dionato)copper(II) and bis(hexafluoropentane-2,4-dionato)copper(II) Gareth J. Baker and J. Barrie Raynor, pp 2663 DOI:10.1039/DT9860002663

Iridium nitrosyl and carbonyl complexes with 2-pyridinecarbaldehyde azines Mauro Ghedini, Marcello Longeri and Francesco Neve, pp 2669 DOI:10.1039/DT9860002669

Kinetics of the bromate-iodide-ascorbic acid clock reaction: different mechanism of the molybdenum and vanadium catalysis György Bazsa and István Fábián, pp 2675 DOI:10.1039/DT9860002675

Magnetic and electrochemical studies on binuclear copper(II) complexes derived from 2,6-diacetyl-4-methylphenol: the X-ray and molecular structure of an acyclic, binuclear Schiff-base complex Neil A. Bailey, David E. Fenton, John Lay, Patrick B. Roberts, Jean-Marc Latour and Danielle Limosin, pp 2681 DOI:10.1039/DT9860002681

Synthesis and characterization of a new family of unsaturated triangular rhenium cluster anions of formula [Re3(µ-H)4(CO)9L]-(L = neutral two-electron donor ligand). X-Ray crystal and molecular structures of the tetraethylammonium salts of the anions with L = triphenylphosphine and pyridine Tiziana Beringhelli, Giuseppe D'Alfonso, Maria Freni, Gianfranco Ciani, Angelo Sironi and Henriette Molinari, pp 2691 DOI:10.1039/DT9860002691

X-Ray crystallographic and tungsten-183 nuclear magnetic resonance structural studies of the [M4(H2O)2(XW9O34)2]10- heteropolyanions (M = COII or Zn, X = P or As) Howard T. Evans, Claude M. Tourné, Gilbert F. Tourné and Timothy J. R. Weakley, pp 2699 DOI:10.1039/DT9860002699

Mechanism of addition of 2-ethylpyridine to tricarbonyl(1-5--dienyl)iron(II) cations (dienyl = C6H7, 2-MeOC6H6, or C7H9) Timothy I. Odiaka, pp 2707 DOI:10.1039/DT9860002707

Alkyl compounds of ruthenium-(III) and -(V) and osmium(III). X-Ray crystal structures of hexakis(trimethylsilylmethyl)- and hexakis(neopentyl)diruthenium(III), dioxohexakis(trimethylsilylmethyl)diruthenium(V), and bis(3-allyl)tetrakis(neopentyl)diosmium(III) Robert P. Tooze, Geoffrey Wilkinson, Majid Motevalli and Michael B. Hursthouse, pp 2711 DOI:10.1039/DT9860002711

Comparison of the formation constants of some chromium(II) and copper(II) complexes Károly Micskei and István Nagypál, pp 2721 DOI:10.1039/DT9860002721

Matrix-isolation studies on the vaporisation of arsenic(V) oxide: the characterisation of molecular species As4On(n= 7-10) by infrared spectroscopy Alan K. Brisdon, Robin A. Gomme and J. Steven Ogden, pp 2725 DOI:10.1039/DT9860002725

Ligand substitution kinetics in complexes of pyridine and pyrazine derivatives with pentacyanoruthenate(II) Luis A. Gentil, Hugo O. Zerga and José A. Olabe, pp 2731 DOI:10.1039/DT9860002731

Notes. Crystal structure of [Ni2Ru3(-C5H5)2(CO)9(µ5-PPh)], an open square-pyramidal cluster obtained via condensation of co-ordinatively unsaturated [Ru3(µ-H)(CO)9(µ-PPh2)] with [Ni2(-C5H5)2(CO)2] Maurizio Lanfranchi, Antonio Tiripicchio, Enrico Sappa and Arthur J. Carty, pp 2737 DOI:10.1039/DT9860002737

Formaldehyde oxime as a precursor to cyanide in mixed-valence copper(I,II) complexes. Hydration of nitrite solvents Joseph A. Connor, Danuta Gibson and Raymond Price, pp 2741 DOI:10.1039/DT9860002741

Crystal structure of [Zr(dmpe){CH2Si(CH3)3}4](dmpe = PMe2CH2CH2PMe2). Evidence in support of the postulation for the presence of an agostic hydrogen Judith Z. Cayias, Elizabeth A. Babaian, Duane C. Hrncir, Simon G. Bott and Jerry L. Atwood, pp 2743 DOI:10.1039/DT9860002743

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98600BX047