1980 year
Main Index

Issue 1

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX001

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP001

Solubility of potassium cyanide in mixed aqueous and non-aqueous media; Gibbs free energies of transfer of the cyanide ion Michael J. Blandamer, John Burgess and Andrew J. Duffield, pp 1 DOI:10.1039/DT9800000001

Kinetics and mechanisms of the reactions of vanadyl ion with -diketones Michael J. Hynes and Brigid D. O'Regan, pp 7 DOI:10.1039/DT9800000007

Intramolecular charge-transfer decomposition of the µ-peroxo-bis[penta-amminecobalt(III)]complex in acidic solutions. Stabilization by protonation and the effect of chloride and sulphate Miguel Ferrer, Timothy D. Hand and A. Geoffrey Sykes, pp 14 DOI:10.1039/DT9800000014

Kinetic data for outer-sphere V2+ and [Ru(NH3)6]2+ reductions of platinum(IV) complexes and a correlation of rate constants Carmel S. Glennon, Timothy D. Hand and A. Geoffrey Sykes, pp 19 DOI:10.1039/DT9800000019

Stability and structure of transition-metal complexes of azoles in aqueous solutions. Part 21. A comparison of the complex-forming capacity of 1,2-dimethylimidazole with that of other 1,3-diazoles Beniamin Lenarcik and Barbara Barszcz, pp 24 DOI:10.1039/DT9800000024

Synthesis and reactions of binuclear molybdenocene and tungstenocene derivatives Madeleine Berry, N. John Cooper, Malcolm L. H. Green and Stephen J. Simpson, pp 29 DOI:10.1039/DT9800000029

Kinetics of the reactions of nickel(II) ion with dicarboxylic acids in dioxan-water Gioacchina Arcoleo, F. Paolo Cavasino, Emanuele Di Dio and Carmelo Sbriziolo, pp 41 DOI:10.1039/DT9800000041

Dynamic properties and solution structures of the clusters [Fe3(CO)9X2](X = S, Se, Te, or NMe) and their derivatives Silvio Aime, Luciano Milone, Rosanna Rossetti and Pier L. Stanghellini, pp 46 DOI:10.1039/DT9800000046

Mixed-metal carbido carbonyl clusters. Part 1. Synthesis and structural characterization of Di-µ3-acetonitrilecuprio-carbido-ennea-µ-carbonyl-hexacarbonyl-polyhedro-hexarhodium, [Cu2Rh6(CO)15(NCMe)2]·0.5MeOH Vincenzo G. Albano, Dario Braga, Secondo Martinengo, Paolo Chini, Mirella Sansoni and Donatella Strumolo, pp 52 DOI:10.1039/DT9800000052

Tris(2-pyridyl)phosphine complexes of ruthenium(II) and rhodium(I). Hydroformylation of hex-1-ene by rhodium complexes Kurti Kurtev, Dominique Ribola, Richard A. Jones, David J. Cole-Hamilton and Geoffrey Wilkinson, pp 55 DOI:10.1039/DT9800000055

Formation of large chelate rings and cyclometallated complexes from But2PCH2CH2CHMeCH2CH2PBut2 and platinum and palladium chlorides. Crystal structure of [Pd2Cl4{But2PCH2CH2CHMeCH2CH2PBUt2}2] Najeeb A. Al-Salem, Walter S. McDonald, Richard Markham, Michael C. Norton and Bernard L. Shaw, pp 59 DOI:10.1039/DT9800000059

Interaction of allylic alcohols with halogeno-bridged platinum(II) complexes [Pt2X4(PR3)2](X = Cl or Br) and [NBun4]2[Pt2Cl6] : crystal structure of [PtCl2(PMe2Ph)(CH2CHCH2OH)] John R. Briggs, Christopher Crocker, Walter S. McDonald and Bernard L. Shaw, pp 64 DOI:10.1039/DT9800000064

Thermodynamics of lanthanide elements. Part 1. Enthalpies of formation of some lanthanide tribromides Christian Hurtgen, David Brown and Jean Fuger, pp 70 DOI:10.1039/DT9800000070

Stereoselectivity in the ternary complexes copper(II)-N-benzyl-L-proline-D- or L--amino-acids Jacqueline Jozefonvicz, Daniel Muller and Michel A. Petit, pp 76 DOI:10.1039/DT9800000076

Synthesis, molecular structure, and dynamic behaviour in solution of octakis(t-butyl isocyanide)dicobalt W. Eamon Carroll, Michael Green, Anita M. R. Galas, Martin Murray, Terence W. Turney, Alan J. Welch and Peter Woodward, pp 80 DOI:10.1039/DT9800000080

Molecular structure of dimeric iron trichloride in the vapour phase as determined by electron diffraction Magdolna Hargittai, János Tremmel and István Hargittai, pp 87 DOI:10.1039/DT9800000087

Paramagnetic carbenemetal complexes. Part 1. Cationic chromium(I) complexes and the chemistry of their chromium(0) precursors and of related molybdenum(0) and Tungsten(0) complexes, especially with bulky carbene ligands C(OR)R[R CH(SiMe3)2 or CH2SiMe3] Michael F. Lappert, Richard W. McCabe, Jonathan J. MacQuitty, Peter L. Pye and Paul I. Riley, pp 90 DOI:10.1039/DT9800000090

Hydrido-nitrosyl clusters [M3(CO)10H(NO)](M = Ru or Os) and the molecular and crystal structure of [Ru3(CO)7H(NO){P(OMe)3}3] Brian F. G. Johnson, Paul R. Raithby and Camillo Zuccaro, pp 99 DOI:10.1039/DT9800000099

Determination of the molecular structure and absolute configuration of (R)-tris(trifluoroacetato)antimony(III) David P. Bullivant, Michael F. A. Dove and Martin J. Haley, pp 105 DOI:10.1039/DT9800000105

Trifluoroacetate as a bridging ligand for antimony(V): crystal and molecular structures of µ-fluro-µ-trifluoroacetato-bis[tetrafluoroantimony(V)](1) and of µ-oxo-di-µ-trifluoroacetato-bis[trifluoroantimony(V)](2) David P. Bullivant, Michael F. A. Dove and Martin J. Haley, pp 109 DOI:10.1039/DT9800000109

Secondary bonding. Part 6. Distorted octahedral geometry in seleninyl dichloride-dioxan(1/1) and iodylbenzene Nathaniel W. Alcock and Jeffery F. Sawyer, pp 115 DOI:10.1039/DT9800000115

Redox potential-structure relationships in metal complexes. Part 2. The influence of trans-substituents upon the redox properties of certain dinitrogen complexes of molybdenum and tungsten and some carbonyl analogues: inner-sphere versus outer-sphere electron transfer in the alkylation of co-ordinated dinitrogen Joseph Chatt, G. Jeffery Leigh, Heinrich Neukomm, Christopher J. Pickett and David R. Stanley, pp 121 DOI:10.1039/DT9800000121

Structural and mechanistic studies of co-ordination compounds. Part 24. Application of cyclic voltammetry to study the chelation effect on acid hydrolysis of some cis- and trans-ruthenium(II) amine complexes Chung-Kwong Poon, Chi-Ming Che and Yan-Ping Kan, pp 128 DOI:10.1039/DT9800000128

Encircling of metal ions by tetra-aza macrocycles. Enthalpies of formation of high- and low-spin nickel(II) complexes of 14-membered ligands Luigi Fabbrizzi, Mauro Micheloni and Piero Paoletti, pp 134 DOI:10.1039/DT9800000134

Palladium(II) complexes derived from the potentially chelating ligands 2,2,NN-tetramethylpent-4-enylamine and 2,2-dimethylpent-4-enyl methyl sulphide. Crystal structures of dichloro[2,2-dimethylpent-(E)-3-enyl methyl sulphide]palladium(II) and chloro[1-3--syn-1-(1,1-dimethyl-2-methylthioethyl)allyl]palladium(II) Robert McCrindle, Elmer C. Alyea, George Ferguson, Shelton A. Dias, Alan J. McAlees and Masood Parvez, pp 137 DOI:10.1039/DT9800000137

He(I) and He(II) photoelectron spectra of methyltin chlorides Ignazio Fragala, Enrico Ciliberto, Russell G. Egdell and Gaetano Granozzi, pp 145 DOI:10.1039/DT9800000145

Crystal structure, and the infrared and Raman spectra, of tripotassium methanetrisulphonate hydrate, K3[CH(SO3)3]·H2O John R. Hall, Robert A. Johnson, Colin H. L. Kennard and Graham Smith, pp 149 DOI:10.1039/DT9800000149

Thermochemistry of dichlorobis(NN-dimethylacetamide)-zinc(II), and dichloro(NN-dimethylacetamide)-cadmium(II) and -mercury(II) José de A. Simoni, Claudio Airoldi and Aécio P. Chagas, pp 156 DOI:10.1039/DT9800000156

Stereochemically non-rigid silanes, germanes, and stannanes. Part 5. Characterization of non-degenerate rearrangements in methylcyclopentadienyl derivatives using carbon-13 nuclear magnetic resonance spectroscopy Stephen R. Stobart and Rupert D. Holmes-Smith, pp 159 DOI:10.1039/DT9800000159

New carbide clusters in the cobalt sub-group. Part 6. Crystallographic characterization of the tetramethylammonium salt of the paramagnetic anion carbidohexa-µ-carbonyl-octacarbonyl-polyhedro-hexa-cobaltate(1-) Vincenzo G. Albano, Paolo Chini, Gianfranco Ciani, Mirella Sansoni and Secondo Martinengo, pp 163 DOI:10.1039/DT9800000163

Photochemistry of dicarbonylcyclopentadienylcobalt in frozen gas matrices at 12 K. Infrared spectroscopic evidence for tricarbonylcyclopentadienylcobalt and carbonylcyclopentadienyl(dinitrogen)cobalt complexes Oliver Crichton, Antony J. Rest and David J. Taylor, pp 167 DOI:10.1039/DT9800000167

Interaction of oximes with dichlorotris(triphenylphosphine)-ruthenium(II) A. Robert Middleton, Johnn R. Thornback and Geoffrey Wilkinson, pp 174 DOI:10.1039/DT9800000174

The Mössbauer effect and chemistry. Part 9. Molecular motion in solids. The spectra of (-cyclohexatriene)(-cyclopentadienyl)iron(II) hexafluorophosphate Brian W. Fitzsimmons and Allan R. Hume, pp 180 DOI:10.1039/DT9800000180

Reactions of [Fe2(-dienyl)2(CO)4-n(CNR)n] complexes (dienyl = C5H5, C5H4Me, or C9H7; R = alkyl or benzyl; n= 1 or 2) with alkyl halides and other alkylating agents. The crystal structure of cis-[Fe2(-C5H4Me)2(CO)3{C(NMe2)µ}]I Sheila Willis, A. R. Manning and F. S. Stephens, pp 186 DOI:10.1039/DT9800000186

Crystal structure of potassium heptacyanorhenate(III) dihydrate Jean-Marie Manoli, Claude Potvin, Jean-Marie Brégeault and William P. Griffith, pp 192 DOI:10.1039/DT9800000192

Reactions of the octahydrotriborate(1-) anion, [B3H8]-, with some complexes of cobalt(I), cobalt(II), rhodium(I), and iridium(I), and the characterization of the borallyl complex [IrIII(3-B3H7)(CO)H(PPh3)2] Norman N. Greenwood, John D. Kennedy and David Reed, pp 196 DOI:10.1039/DT9800000196

Photoelectron spectroscopy study of the X-ray-induced decomposition of some gold(III) dithiocarbamates Paul M. Th. M. van Attekum and Jan M. Trooster, pp 201 DOI:10.1039/DT9800000201

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX003

Issue 2

The electronic spectra of the mixed mercury dihalides. Part 1. Computational procedures for calculating spectra, for a new route to equilibrium and formation constants, and the resolved spectra Trevor R. Griffiths and Richard A. Anderson, pp 205 DOI:10.1039/DT9800000205

The electronic spectra of the mixed mercury dihalides. Part 2. Identification, equilibrium and formation constants, and assignment of transitions Trevor R. Griffiths and Richard A. Anderson, pp 209 DOI:10.1039/DT9800000209

Oxidation of hydrazine by halogeno-complexes of iridium(IV) in acidic perchlorate solutions Donald F. C. Morris and Terence J. Ritter, pp 216 DOI:10.1039/DT9800000216

Comparison of structure and reactivity of bis(2-aminoethyl)amine- and bis(2-aminoethyl)amido-chlorogold(III) complexes Giorgio Nardin, Lucio Randaccio, Giuliano Annibale, Giovanni Natile and Bruno Pitteri, pp 220 DOI:10.1039/DT9800000220

Stereochemically non-rigid silanes, germanes, and stannanes. Part 6. Poly(cyclopentadienyl)silanes. A comparison of thermodynamic parameters derived from approximate methods with those obtained using full lineshape analysis of carbon-13 nuclear magnetic resonance data Alan Bonny and Stephen R. Stobart, pp 224 DOI:10.1039/DT9800000224

Synthesis and crystal structures of chloro(trimethylphosphine)tris(trimethylsilylmethyl)molybdenum(IV) and Di-µ-chloro-bis[bis(carbonyl)trimethylphosphine(1-2--trimethylsilylmethylcarbonyl)molybdenum(II)] Ernesto Carmona Guzman, Geoffrey Wilkinson, Robin D. Rogers, William E. Hunter, Michael J. Zaworotko and Jerry L. Atwood, pp 229 DOI:10.1039/DT9800000229

Hydrocarbon complexes of iron, ruthenium, and osmium. Part 13. The chemistry of dicarbonyl(trimethylsilyl)(1-3;6-7--8-endo-trimethyl-silycyclo-octatrienyl)ruthenium, a pentalene precursor Selby A. R. Knox, Ronald J. Mckinney and F. Gordon A. Stone, pp 235 DOI:10.1039/DT9800000235

Phosphorus-phosphorus nuclear spin coupling in tetraorganobiphosphines and some of their derivatives H. Christina E. McFarlane, William McFarlane and John A. Nash, pp 240 DOI:10.1039/DT9800000240

Solid state vibrational spectroscopy. Part 7. A vibrational spectroscopic study of the thermal decompositions of sodium and potassium thiosulphate Kevin D. Cleaver and J. Eric D. Davies, pp 245 DOI:10.1039/DT9800000245

Molybdenum(VI) complexes from diols and aminoalchols: the occurrence of MoO2, Mo2O3, and Mo2O5 core structures Carolyn Knobler, Bruce R. Penfold, Ward T. Robinson, Cuthbert J. Wilkins and Shim Hian Yong, pp 248 DOI:10.1039/DT9800000248

Macro-inorganics. Part 3. Chelation of copper(II) ion with some polymers having a poly(amido-amine) structure and their non-macromolecular models Rolando Barbucci, Vincenzo Barone, Paolo Ferruti and Maurizio Delfini, pp 253 DOI:10.1039/DT9800000253

Reactions of organosulphur ligands on tungsten centres. Evidence for carbonium ion formation in the degradation of alkanethiolatopentachlorotungsten(VI) species P. Michael Boorman and Brenda D. O'Dell, pp 257 DOI:10.1039/DT9800000257

Chromium(II) chemistry. Part 13. Thiocyanates Leslie F. Larkworthy, Andrew J. Roberts, B. Joly Tucker and Ahmad Yavari, pp 262 DOI:10.1039/DT9800000262

Thermal decomposition of some alkali-metal oxalate monohydrates and monoperhydrates John M. Adams, Vijayalakshmi Ramdas, Giulio G. T. Guarini and Christopher J. Adams, pp 269 DOI:10.1039/DT9800000269

Kinetics and mechanism of the activation of molecular hydrogen by bis(dimethylglyoximato)cobalt(II) derivatives László I. Simándi, Éva Budó-Záhonyi, Zoltán Szeverényi and Sándor Németh, pp 276 DOI:10.1039/DT9800000276

Electrochemical and metathetical preparations of isomers of bis-(cyanotrihydroborato)tetrakis(trialkyl phosphite)iron(II) complexes, [Fe{BH3(CN)}2{P(OR)3}4] Allison Drummond, Jack F. Kay, John H. Morris and David Reed, pp 284 DOI:10.1039/DT9800000284

Fluoride crystal structures. Part 33. Tetraethylammonium µ-fluoro-bis[oxoperoxo(pyridine-2,6-dicarboxylato)molybdate(VI)] Anthony J. Edwards, David R. Slim, Jacques E. Guerchais and René Kergoat, pp 289 DOI:10.1039/DT9800000289

Reactions of co-ordinated ligands. Part 21. Reaction of 3,3,3-trifluoroprop-1-yne with methyl- and benzyl-dicarbonyl(-cyclopentadienyl)iron and of hexafluorobut-2-yne with tricarbonyl(1-3--2-methylallyl)cobalt. Crystal and molecular structure of [1-5--exo-1-acetyl-2,4,6-tris(trifluoromethyl)cyclohexadienyl](-cyclopentadienyl)iron Martin Bottrill, Michael Green, Edmund O'Brien, Lesley E. Smart and Peter Woodward, pp 292 DOI:10.1039/DT9800000292

Complexes of nickel(II), palladium(II), and platinum(II) with the -ketophosphines PBut2(CH2COR)(R = Ph or But) Christopher J. Moulton and Bernard L. Shaw, pp 299 DOI:10.1039/DT9800000299

Complexes of rhodium and iridium with the -ketophosphines PBut2-(CH2COR)(R = Ph or But) H. David Empsall, Stephen Johnson and Bernard L. Shaw, pp 302 DOI:10.1039/DT9800000302

Organosilicon chemistry. Part 24. Homogeneous rhodium-catalysed hydrosilation of alkenes and alkynes: the role of oxygen or hydroperoxides Hugh M. Dickers, Robert N. Haszeldine, Leslie S. Malkin, Adrian P. Mather and R. V. (Dick) Parish, pp 308 DOI:10.1039/DT9800000308

Potassium hexanitratocobaltate(III) Mutasim I. Khalil, Norman Logan and Arlo D. Harris, pp 314 DOI:10.1039/DT9800000314

Insertion of platinum into an ortho-carboranyl boron-hydrogen bond. The crystal and molecular structure of the diphenyl(ortho-carboranyl)-phosphine complex [PtCl(Ph2PC2B10H10)(Ph2PC2B10H11)] Ljubica Manojlovi-Muir, Kenneth W. Muir and Tihomir Solomun, pp 317 DOI:10.1039/DT9800000317

New aminocyclodiphosph(III)azanes and the influence of geometrical isomerism on their properties Rodney Keat, David S. Rycroft and David G. Thompson, pp 321 DOI:10.1039/DT9800000321

Reaction of cobalt(II) macrocyclic tetra-amine complexes with dioxygen Mutsuo Kodama and Eiichi Kimura, pp 327 DOI:10.1039/DT9800000327

Trirhenium(III) cluster alkyls. Synthesis of tertiary phosphine adducts; cleavage to rhenium-(III) and -(II) dimers; reactions with carbon monoxide, nitric oxide, and hydrogen chloride. X-Ray structural determinations of hexamethylbis(diethylphenylphosphine)tri-µ-methyl-triangulo-trirhenium(III) and tri-µ-chloro-(N-nitroso-N-trimethylsilyl-methylhydroxylaminato)pentakis(trimethylsilylmethyl)-triangulo-tri-rhenium(III) Peter Edwards, Konstantinos Mertis, Geoffrey Wilkinson, Michael B. Hursthouse and K. M. Abdul Malik, pp 334 DOI:10.1039/DT9800000334

Issue 3

Theoretical CNDO molecular-orbital analysis of metal-ligand bonding as a function of ligand basicity in some purely -bonding systems S. P. Bhattacharyya, pp 345 DOI:10.1039/DT9800000345

The trans influence and trans effect of the arsine group. The X-ray structures of dichloro[diphenyl(o-vinylphenyl)arsine]platinum(II) and [1-(o-diphenylarsinophenyl)-2-methoxyethyl-as,c1](hexafluoroacetylacetonato)platinum(II) Mervyn K. Cooper, Philip J. Guerney and Mary McPartlin, pp 349 DOI:10.1039/DT9800000349

Crystal and molecular structure of bis(tetrasulphur tetraimide)silver(I) perchlorate sesquihydrate Michael B. Hursthouse, K. M. Abdul Malik and Syed Nurun Nabi, pp 355 DOI:10.1039/DT9800000355

A study of the products obtained by crystallising [NH4]2[Pt(CN)4]Cl0.3-·3H2O or K2[Pt(CN)4]Cl0.3·3H2O from acidic chloride solutions David J. Wood and Allan E. Underhill, pp 360 DOI:10.1039/DT9800000360

Interactions of some nitrogen, oxygen, and sulphur heterocycles with gadolinium and nickel chelates. A carbon-13 nuclear magnetic resonance spin-lattice relaxation study Lars Nordenskiöld and Jozef Kowalewski, pp 363 DOI:10.1039/DT9800000363

Properties and structural characterization of copper(II) mixed complexes with 2,2-bipyridyl and iminodiacetate or pyridine-2,6-dicarboxylate Giorgio Nardin, Lucio Randaccio, Raffaele P. Bonomo and Enrico Rizzarelli, pp 369 DOI:10.1039/DT9800000369

Synthesis and properties of some lanthanoid(III) perchlorates with macrocyclic polythioethers of the [18]-crown-6-type. Crystal structure of aquadiperchlorato(1,4,10,13-tetraoxa-7,16-dithiacyclo-octadecane)-lanthanum(II) perchlorate Mario Ciampolini, Carlo Mealli and Nicoletta Nardi, pp 376 DOI:10.1039/DT9800000376

Improved syntheses of the hexanuclear clusters [Ru6(CO)18]2-, [HRu6-(CO)18]-, and H2Ru6(CO)18. The X-ray analysis of [HRu6(CO)18]-, a polynuclear carbonyl containing an interstitial hydrogen ligand Colin R. Eady, Peter F. Jackson, Brian F. G. Johnson, Jack Lewis, Maria Carlotta Malatesta, Mary Mcpartlin and William J. H. Nelson, pp 383 DOI:10.1039/DT9800000383

Silicate species in solution. Part 1. Experimental observations Lesley S. Dent Glasser and Eric E. Lachowski, pp 393 DOI:10.1039/DT9800000393

Silicate species in solution. Part 2. The structure of polymeric species Lesley S. Dent Glasser and Eric E. Lachowski, pp 399 DOI:10.1039/DT9800000399

Metal carbonyl chemistry. Part 27. Formation of [Co3(CCl)(CO)9] by reaction of the carbene precursor Hg(CCl3)Ph with octacarbonyl-dicobalt Brian L. Booth, Geoffrey C. Casey and Robert N. Haszeldine, pp 403 DOI:10.1039/DT9800000403

Metal carbonyl chemistry. Part 28. Reactions of decacarbonyldimanganese with trimethylolpropane phosphite Brian L. Booth, Robert N. Haszeldine and David M. Reynolds, pp 407 DOI:10.1039/DT9800000407

Metal carbonyl chemistry. Part 29. Preparation and properties of the hydrides [MnH(CO)5-n{P(OCH2)3CEt}n](n= 1,2, or 3) Brian L. Booth, Robert N. Haszeldine and David M. Reynolds, pp 412 DOI:10.1039/DT9800000412

Polar and steric effects in the stability of silver complexes of primary amines Robert D. Hancock, pp 416 DOI:10.1039/DT9800000416

Infrared and electronic spectra of matrix-isolated chromium(V) trichloride oxide William Levason, J. Steven Ogden and Antony J. Rest, pp 419 DOI:10.1039/DT9800000419

Vibrational spectra and crystal and molecular structure of trans,cis-S-methyl dithiocarbazate, a second conformer Rainer Mattes and Harald Weber, pp 423 DOI:10.1039/DT9800000423

An electron paramagnetic resonance study of tetracyclopentadienyltantalum(IV), [Ta(-C5H5)2(-C5H5)2] Ali H. Al-Mowali, pp 426 DOI:10.1039/DT9800000426

Reaction of 1-3-(-acryloyl)tricarbonylferrate with acyl halides giving 1 : 1 adducts, the 2-acyloxy-1,1-dicarbonyl-1-halogenoferracyclopent-2-en-5-onates Take-Aki Mitsudo, Hiroyoshi Watanabe, Yoshihisa Watanabe and Yoshinobu Takegami, pp 429 DOI:10.1039/DT9800000429

Crystal and molecular structure of µ-carbonyl-µ-(1-3- : 1-, 4-2--{1,3-dimethyl-4-[5-oxo-4-phenyl-2(5H)-furan-2-ylidene]but-1-ene-1,3-diyl})-bis(dicarbonylcobalt)(Co-Co) John A. D. Jeffreys, pp 435 DOI:10.1039/DT9800000435

Structural studies in the [M(bidentate ligand)(unidentate ligand)5] system. A new co-ordination type for [Ml2(CO)3{Ph2P(CH2)nPPh2}](M = Mo or W; n= 1-3) Robert M. Foy, David L. Kepert, Colin L. Raston and Allan H. White, pp 440 DOI:10.1039/DT9800000440

Crystal structures of fac-[bis(2-diphenylphosphinoethyl)phenylphosphine-PPP]tricarbonyl-chromium(0) and -molybdenum(0) Mark C. Favas, David L. Kepert, Brian W. Skelton and Allan H. White, pp 447 DOI:10.1039/DT9800000447

Crystal structure of gadolinium(III) acetate tetrahydrate. Stereo-chemistry of the nine-co-ordinate [M(bidentate ligand)3(unidentate ligand)3]x± system Mark C. Favas, David L. Kepert, Brian W. Skelton and Allan H. White, pp 454 DOI:10.1039/DT9800000454

Reactivity of uranyl ion with quinquedentate chelating hydrazine derivatives. Part 1. 2,6-Diacetylpyridine bis(2-pyridylhydrazone) Gino Paolucci, Giampaolo Marangoni, Giuliano Bandoli and Dore A. Clemente, pp 459 DOI:10.1039/DT9800000459

Synthesis and crystal structure of hydrido(tetrahydroborato)tetrakis(trimethylphosphine)molybdenum(II) Jerry L. Atwood, William E. Hunter, Ernesto Carmona-Guzman and Geoffrey Wilkinson, pp 467 DOI:10.1039/DT9800000467

Intervalence transfer in outer-sphere hexa-ammineruthenium(III) pentacyanoferrate(II) complexes Henrique E. Toma, pp 471 DOI:10.1039/DT9800000471

Free radical reactions with dimeric cobalt(II) sulphophthalocyanine. A pulse radiolytic study Guillermo Ferraudi and Larry K. Patterson, pp 476 DOI:10.1039/DT9800000476

Crystal structure of (IOF3·IO2F3)2 Ronald J. Gillespie, John P. Krasznai and David R. Slim, pp 481 DOI:10.1039/DT9800000481

Cation radicals of phenothiazines. Part 4. Electron transfer between aquamanganese(III) and N-alkylphenothiazines Ezio Pelizzetti, pp 484 DOI:10.1039/DT9800000484

Preparation and isomerization of dicarbonyldihalogeno[o-phenylenebis-(dimethylarsine)]osmium complexes Frank Bottomley, Ivan J. B. Lin, Masao Mukaida and Judy L. Patterson, pp 487 DOI:10.1039/DT9800000487

Protonation of isonitriles ligating molybdenum(0) and tungsten(0) at nitrogen giving complexes of carbyne and carbene ligands Joseph Chatt, Armando J. L. Pombeiro and Raymond L. Richards, pp 492 DOI:10.1039/DT9800000492

Nickel complexes of the methyl esters of dithiocarbazic and N-substituted dithiocarbazic acids Anna Monaci and Franco Tarli, pp 499 DOI:10.1039/DT9800000499

Synthesis and fluxional character of complexes of the type [M2(cp)2(CO)3(CNR)](M = Fe or Ru, cp =-C5H5) James A. S. Howell and Anthony J. Rowan, pp 503 DOI:10.1039/DT9800000503

Synthesis of trimethylphosphine complexes of rhodium and ruthenium. X-Ray crystal structures of tetrakis(trimethylphosphine)rhodium(I) chloride and chlorotris(trimethylphosphine)rhodium(I) Richard A. Jones, Fernando Mayor Real, Geoffrey Wilkinson, Anita M. R. Galas, Michael B. Hursthouse and K. M. Abdul Malik, pp 511 DOI:10.1039/DT9800000511

Reactions of 1,1,1-tris(aminomethyl)alkanes with nickel(II), copper(II), zinc(II), and hydrogen ions. A calorimetric and spectrophotometric investigation Antonio Sabatini and Alberto Vacca, pp 519 DOI:10.1039/DT9800000519

Concentration- and solvent-dependent electron spin resonance signals and dimer formation of high-spin iron(III) porphyrins Makato Chikira, Hideo Kon and Kevin M. Smith, pp 526 DOI:10.1039/DT9800000526

On the vibrational assignment and bond angles in chromyl fluoride Ian R. Beattie, Colin J. Marsden and J. Steven Ogden, pp 535 DOI:10.1039/DT9800000535

Reactions of ruthenium triphenylphosphine complexes with diazadienes. Part 1. Reactions of [RuCl2(PPh3)3] and [RuH(Cl)(PPh3)3] and disproportionation of a hydridochloro-complex Bruno Chaudret and Rene Poilblanc, pp 539 DOI:10.1039/DT9800000539

Hydrocarbon complexes of iron, ruthenium, and osmium. Part 14. Reactions of a disilicon-chelated carbonylruthenium complex with cyclic polyolefins Julie D. Edwards, Selby A. R. Knox and F. Gordon A. Stone, pp 545 DOI:10.1039/DT9800000545

Hydrocarbon complexes of iron, ruthenium, and osmium. Part 15. Stereochemical non-rigidity of hexacarbonyldiruthenium complexes of monosubstituted cyclo-octatetraenes Julie D. Edwards, Selby A. R. Knox, Victor Riera and F. Gordon A. Stone, pp 552 DOI:10.1039/DT9800000552

Crystal structures of two diruthenium carbonyl complexes derived from cyclo-octatetraene, [Ru2(C8H8SiMe2CH2CH2SiMe2)(CO)5] and [Ru2(C8H8SiMe3)(SiMe3)(CO)4] Richard Goddard and Peter Woodward, pp 559 DOI:10.1039/DT9800000559

Issue 4

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX005

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP005

Consecutive substitution in, and reduction of, -allyl molybdenum(II) complexes, and a study of ligand exchange in a molybdenum(0) product Deborah A. Clark, David L. Jones and Roger J. Mawby, pp 565 DOI:10.1039/DT9800000565

Synthesis and crystal structure of tetramethylammonium µ-pentachloro-thiophenolato-bis[pentacarbonyltungstate(0)] Mervyn K. Cooper, Paul A. Duckworth, Manuela Saporta and Mary McPartlin, pp 570 DOI:10.1039/DT9800000570

Relative labilities of five-co-ordinate mono(acetonitrile)(1,4,8,11-tetramethyl-1,4,8,11-tetra-azacyclotetradecane)-nickel(II) and -cobalt(II) ions towards associative solvent exchange Eirian H. Curzon, Norman Herron and Peter Moore, pp 574 DOI:10.1039/DT9800000574

Reduction-oxidation properties of organotransition-metal complexes. Part 8. Formation and reactivity of the radical cations [Fe(CO)3L2]+, and the mechanism of the oxidative elimination reaction of [Fe(CO)3L2] with halogens Paul K. Baker, Neil G. Connelly, Brian M. R. Jones, John P. Maher and Karen R. Somers, pp 579 DOI:10.1039/DT9800000579

Pulse radiolysis studies of iron(I) in aqueous solutions Milica T. Nenadovi, Olga I. Mii and Aurora A. Muk, pp 586 DOI:10.1039/DT9800000586

Multiple forms of the copper(II)-carnosine complex Charles Eric Brown, William E. Antholine and Wojciech Froncisz, pp 590 DOI:10.1039/DT9800000590

Studies of lanthanide(III) pyridine-2,6-dicarboxylate complexes in aqueous solution. Part 1. Structures and 1H nuclear magnetic resonance spectra Basim M. Alsaadi, Francis J. C. Rossotti and Robert J. P. Williams, pp 597 DOI:10.1039/DT9800000597

Molecular structure of germylcyclopentadiene in the crystalline phase at 160 K and in the gas phase Michael J. Barrow, E. A. V. Ebsworth, Marjorie M. Harding and David W. H. Rankin, pp 603 DOI:10.1039/DT9800000603

Initial state and transition state effects in the mercury(II)-catalysed aquation of chlorotransition-metal complexes in binary aqueous solvent mixtures Michael J. Blandamer, John Burgess and Robert I. Haines, pp 607 DOI:10.1039/DT9800000607

Solubilities and Setchenow coefficients for [Fe(bipy)2(CN)2] and [Fe(5NO2-phen)2(CN)2] in aqueous salt solutions Michael J. Blandamer, John Burgess and John C. McGowan, pp 616 DOI:10.1039/DT9800000616

Synthesis of dimorpholino-di-, -tri-, and -tetra-selane, and dipiperidinotetraselane. Crystal and molecular structures of the two tetraselanes Olva Foss and Vitalijus Janickis, pp 620 DOI:10.1039/DT9800000620

Crystal structure of -monoclinic selenium Olav Foss and Vitalijus Janickis, pp 624 DOI:10.1039/DT9800000624

Crystal and molecular structures of dimorpholino-tri- and -di-selane Olav Foss and Vitalijus Janickis, pp 628 DOI:10.1039/DT9800000628

Crystal and molecular structure of dimorpholinotetrasulphane Olav Foss and Vitalijus Janickis, pp 632 DOI:10.1039/DT9800000632

Mechanism and equilibrium constants of the reaction between carbon monoxide and triphenyl-phosphine-, -arsine-, and -stibine-dicarbonyl-(1-2-:3-4--1,4-diphenyl-1-azabuta-1,3-diene)iron Gianfranco Bellachioma, Gustavo Reichenbach and Giuseppe Cardaci, pp 634 DOI:10.1039/DT9800000634

Multinuclear magnetic resonance studies. Part 4. Tetra-alkyldiphosphines with bulky substituents Ahmed A. M. Ali, Gabriele Bocelli, Robin K. Harris and Manfred Fild, pp 638 DOI:10.1039/DT9800000638

Soft-sphere ionic radii for alkali and halogenide ions Linus Pauling, pp 645 DOI:10.1039/DT9800000645

Characterization of some high-spin iron(III) complexes with urea derivaties. Crystal structure of diaquatetrakis(perhydropyrimidin-2-one)iron trichloride dihydrate and of perhydrophyrimidin-2-one Sandro Calogero, Umberto Russo and Antonio Del Pra', pp 646 DOI:10.1039/DT9800000646

The N-M-N bond angle in the chelate ring of ethylenediamine. The crystal structure of tetra-aqua(ethylenediamine)nickel(II) nitrate Gloria J. McDougall and Robert D. Hancock, pp 654 DOI:10.1039/DT9800000654

Synthesis of bis-µ-diorganosilanediyl-af-dihydridobis(triorganophosphine)diplatinum complexes: crystal and molecular structure of [{PtH(µ-SiMe2)[P(C6H11)3]}2] Mary Auburn, Miguel Ciriano, Judith A. K. Howard, Martin Murray, Nicholas J. Pugh, John L. Spencer, F. Gordon A. Stone and Peter Woodward, pp 659 DOI:10.1039/DT9800000659

Electronic absorption spectra of some oxovanadium(IV) compounds David Collison, Brendan Gahan, C. David Garner and Frank E. Mabbs, pp 667 DOI:10.1039/DT9800000667

Pulse and -radiolysis of nickel(II) nitrilotriacetate in aqueous solutions Elappulli V. Srisankar and Sudhindra N. Bhattacharyya, pp 675 DOI:10.1039/DT9800000675

Electronic properties and crystal structures of the copper-doped zinc(II) bis(pyridine-3-sulphonate) hydrate system: a fluxional CuN2O4 chromophore Bernadette Walsh and Brian J. Hathaway, pp 681 DOI:10.1039/DT9800000681

Electronic properties and stereochemistry of the bis(diethylenetriamine)-copper(II) cation. Part 1. A fluxional elongated CuN6 chromophore Mary Duggan, Brian J. Hathaway and John Mullane, pp 690 DOI:10.1039/DT9800000690

A proton magnetic resonance study of ligand exchange on the hexakis(1,1,3,3-tetramethylurea)scandium(III) ion and its NN-dimethylacetamide analogue Dino L. Pisaniello and Stephen F. Lincoln, pp 699 DOI:10.1039/DT9800000699

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX007

Issue 5

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX009

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP009

Organosilicon chemistry. Part 25. Catalysis of the reaction between alcohols and silanes by hydrido-, dinitrogen-, and ethylene-iron complexes Robert N. Haszeldine, R. V. (Dick) Parish and Brian F. Riley, pp 705 DOI:10.1039/DT9800000705

Electron-gain and -loss centres in irradiated di-imidazolesilver(I) nitrate Martyn C. R. Symons, George W. Eastland and Donald N. Zimmerman, pp 709 DOI:10.1039/DT9800000709

Carbonyl insertion at [PtX(Ph)(CO)L]: the effects of varying the anionic ligand X and the neutral ligand L Gordon K. Anderson and Ronald J. Cross, pp 712 DOI:10.1039/DT9800000712

The cluster cation [Os4(CO)12H4(OH)]+: preparation and crystal structure Brian F. G. Johnson, Jack Lewis, Paul R. Raithby and Camillo Zuccaro, pp 716 DOI:10.1039/DT9800000716

Natural abundance 15N nuclear magnetic resonance spectroscopy of heavy metal complexes of trans-1,2-diaminocyclohexane-NNNN-tetra-acetate ion and 1,4,8,11-tetra-azacyclotetradecane Eirian H. Curzon, Norman Herron and Peter Moore, pp 721 DOI:10.1039/DT9800000721

Kinetics of the silver(I)-catalyzed decomposition of peroxodisulphate in aqueous solution Masaru Kimura, Taeko Kawajiri and Midori Tanida, pp 726 DOI:10.1039/DT9800000726

Some reactions of cyclotetrathiatriazenium chloride (S4N3Cl) vapour at hot metal (iron, titanium, or silver) surfaces. An alternative route form S4N3Cl and silver to disulphur dinitride and hence poly(sulphur nitride) Arthur J. Banister and Zdenek V. Hauptman, pp 731 DOI:10.1039/DT9800000731

Chemistry of polydentate ligands. Part 5. Complexes of 2,9-di-hydrazino-derivatives of 1,10-phenanthroline. Dependence of co-ordination number of a ligand on the anion present Jack Lewis and Timothy D. O'Donoghue, pp 736 DOI:10.1039/DT9800000736

Chemistry of polydentate ligands. Part 6. Synthesis, characterisation, and properties of Group 2B cation complexes with novel quinquedentate macrocyclic ligands Jack Lewis and Timothy D. O'Donoghue, pp 743 DOI:10.1039/DT9800000743

A combined neutron and X-ray diffraction study of hydrogenbis(NN-dimethylacetamide) tetrachloroaurate(III) revealing a short hydrogen bond M. Sakhawat Hussain and Elmer O. Schlemper, pp 750 DOI:10.1039/DT9800000750

Structural and mechanistic studies of co-ordination compounds. Part 25. Synthesis and characterization of some octahedral halogeno-amine and -thioether complexes of ruthenium-(II) and -(III) Chung-Kwong Poon and Chi-Ming Che, pp 756 DOI:10.1039/DT9800000756

Standard enthalpy of formation of bis(diethyldithiocarbamato)nickel(II) at 298 K and the nickel-sulphur bond energy Kingsley J. Cavell, John O. Hill and Robert J. Magee, pp 763 DOI:10.1039/DT9800000763

X-ray photoelectron spectra of some gold compounds Alistair McNeillie, Donald H. Brown, W. Ewen Smith, Martin Gibson and Lewis Watson, pp 767 DOI:10.1039/DT9800000767

Diazoalkane complexes and related compounds from reactions of dinitrogen complexes of tungsten and molybdenum with gem-di-bromides, and from condensation of hydrazido(2-)-complexes with aldehydes Raphael Ben-Shoshan, Joseph Chatt, G. Jeffery Leigh and Wasif Hussain, pp 771 DOI:10.1039/DT9800000771

A 31P nuclear magnetic resonance investigation of the structure, equilibria, and kinetics of [Pt(PR3)n] in solution Brian E. Mann and Alfredo Musco, pp 776 DOI:10.1039/DT9800000776

Magnetic exchange interactions in tetranuclear copper(II) complexes. Effect of ligand electronegativity Herbert Wong, Heindirk tom Dieck, Charles J. O'Connor and Ekkehard Sinn, pp 786 DOI:10.1039/DT9800000786

The chemistry of isomeric icosaboranes, B20H26. Molecular structures and physical characterization of 2,2- bi(nido-decaboranyl) and 2,6-bi-(nido-decaboranyl) Simon K. Boocock, Norman N. Greenwood, John D. Kennedy, Walter S. McDonald and John Staves, pp 790 DOI:10.1039/DT9800000790

Kinetics of oxidation of aquairon(2+) by iodate in dilute perchloric acid solution William C. E. Higginson and Mrs. Davina A. McCarthy, pp 797 DOI:10.1039/DT9800000797

Metal complexes of sulphur ligands. Part 20. Reaction of bis-(dimethylphenylphosphine)bis(monothiobenzoato)ruthenium(II) with some bidentate nitrogen-donor Lewis bases and X-ray structural analyses on two isomers of bis(dimethylphenylphosphine)bis(monothiobenzoato)(1,10-phenanthroline)ruthenium(II) Robert O. Gould, T. Anthony Stephenson and Mary A. Thomson, pp 804 DOI:10.1039/DT9800000804

Electronic spectra of some rhodium(III) complexes of saturated cyclic tetramines Pabitra Krishna Bhattacharya, pp 810 DOI:10.1039/DT9800000810

Studies of lanthanide (III) dipicolinate complexes in aqueous solution. Part 2. Hydration Basim M. Alsaadi, Francis J. C. Rossotti and Robert J. P. Williams, pp 813 DOI:10.1039/DT9800000813

Heats of formation of sulphuryl chlorofluoride and lead chlorofluoride Michael Cartwright and Alfred A. Woolf, pp 817 DOI:10.1039/DT9800000817

The chlorotrimethylammonium and bromotrimethylammonium cations Niel D. Cowan, Clifford J. Ludman and Thomas C. Waddington, pp 821 DOI:10.1039/DT9800000821

Formation of lead-bearing ferrite in aqueous suspension by air oxidation Yutaka Tamaura and Takashi Katsura, pp 825 DOI:10.1039/DT9800000825

Reactions of the 6-benzene(5-ethyltetramethylcyclopentadienyl)-rhodium(III) cation and related species with nucleophiles; the crystal structure of [Rh(5-C5Me4Et){5-C6H6P(O)(OMe)2}][PF6] Neil A. Bailey, Edward H. Blunt, Geoffrey Fairhurst and Colin White, pp 829 DOI:10.1039/DT9800000829

A study of copper compounds by X-ray absorption spectroscopy Thangamuthu Murugesan, Prabhakar R. Sarode, Jagannatha Gopalakrishnan and C. N. Ramachandra Rao, pp 837 DOI:10.1039/DT9800000837

Studies of phosphazenes. Part 10. Spirocyclic derivatives of cyclotriphosphazatrienes S. S. Krishnamurthy, Kolikkara Ramachandran, A. R. Vasudeva Murthy, Robert A. Shaw and Michael Woods, pp 840 DOI:10.1039/DT9800000840

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX011

Issue 6

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX013

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP013

Thermal reactions of the mixed-valence iron fluorides, Fe2F5·nH2O David B. Brown, Erick G. Walton and Joseph A. Dilts, pp 845 DOI:10.1039/DT9800000845

Optimized synthesis and mechanism of formation of 2,4-dichloro-1,3-bis(dichlorophosphoryl)-2,4-dioxocyclodiphosph(V)azane from phosphoryl chloride and ammonium chloride Roger De Jaeger and David R. Taylor, pp 851 DOI:10.1039/DT9800000851

Heterogeneous catalysis in solution. Part 18. The catalysis by carbons of oxidation-reduction reactions Jack M. Austin, Theo Groenewald and Michael Spiro, pp 854 DOI:10.1039/DT9800000854

Heterogeneous catalysis in solution. Part 19. The effect on oxidation-reduction reactions of certain sparingly soluble salts and other solids Theo Groenewald, Jack M. Austin and Michael Spiro, pp 860 DOI:10.1039/DT9800000860

Electrochemical studies on alkali-metal complexes with the small macrocycle 1,4,7,10-tetraoxacyclododecane. Polarographic and potentiometric determination of the stability constants in propylene carbonate Jean Massaux, Jean F. Desreux and Georges Duyckaerts, pp 865 DOI:10.1039/DT9800000865

Thermochemistry of fluorine compounds. Part 5. Di-µ-oxo-bis[trifluoro-oxoiodine(VII)] Arthur Finch, Peter N. Gates, Anthony J. Edwards and Arsein A. K. Hana, pp 869 DOI:10.1039/DT9800000869

Rapid transfer for selenium from tertiary phosphine selenides to tertiary phosphines Douglas H. Brown, Ronald J. Cross and Rodney Keat, pp 871 DOI:10.1039/DT9800000871

Exchange interaction in tetrameric oxygen-bridged copper(II) clusters of the cubane type Ludwig Merz and Wolfgang Haase, pp 875 DOI:10.1039/DT9800000875

One-electron reduction of di-imidosulphur compounds, S(NR)2, and some complexes of Group 6A metal carbonyl derivatives containing S(NR)2 ligands: studies of the radical products by electron spin resonance spectroscopy John A. Hunter, Boyd King, W. Edward Lindsell and Margaret A. Neish, pp 880 DOI:10.1039/DT9800000880

Mono- and bi-nuclear anionic pentafluorophenyl complexes of palladium(II) and platinum(II) Rafael Usón, Juan Forniés, Francisco Martínez and Milagros Tomás, pp 888 DOI:10.1039/DT9800000888

Studies in Mössbauer spectroscopy. Part 13. Iodine-129 spectra of some palladium(II) and platinum(II) iodo-complexes Roger J. Dickinson, R. V. (Dick) Parish and Barrie W. Dale, pp 895 DOI:10.1039/DT9800000895

Preparation and properties of 1-adamantoxides, 2-adamantoxides, and 1-adamantylmethoxides of TiIV, VIV, NbIV, NbV, CrIII, CrIV, MoIV, MnII, FeIII, and CoII. The crystal and molecular structure of tetrakis(1-adamantoxo)dimethylaminemolybdenum(IV) Manfred Bochmann, Geoffrey Wilkinson, G. Brent Young, Michael B. Hursthouse and K. M. Abdul Malik, pp 901 DOI:10.1039/DT9800000901

Preparation and carbon-13 nuclear magnetic resonance spectroscopic study of isonitrile substituted derivatives of [Os3(CO)12] Martin J. Mays and Paul D. Gavens, pp 911 DOI:10.1039/DT9800000911

99Ru and 151Eu Mössbauer spectra of the ternary hydrides M2RuH6(M = Ca, Sr, Eu or Yb) Inmaculada Fernandez, Robert Greatrex and Norman N. Greenwood, pp 918 DOI:10.1039/DT9800000918

Organosilicon chemistry. Part 26. Silyl derivatives of substitued cobalt carbonyls of the type [Co(SiR3)(CO)n L4-n] Robert N. Haszeldine, Adrian P. Mather and R. V. (Dick) Parish, pp 923 DOI:10.1039/DT9800000923

Some oxidation reactions of aminocyclodiphosph(III)azanes Rodney Keat and David G. Thompson, pp 928 DOI:10.1039/DT9800000928

Preparation of a conducting iodinated poly(sulphur nitride) Arthur J. Banister and Nigel R. M. Smith, pp 937 DOI:10.1039/DT9800000937

Metal-ion template effects in the synthesis of polydentate Schiff-base ligands. Part 1. Complexes of a potentially octadentate N6O2 ligand and the crystal and molecular structure of a ten-co-ordinate barium(II) complex Michael G. B. Drew, C. Victor Knox and S. Martin Nelson, pp 942 DOI:10.1039/DT9800000942

Crystal structures of di-µ-hydroxo-bis[aquatrichlorotin (IV)]-1,4-dioxan (1/3), di-µ-hydroxo-bis[aquatrichlorotin(IV)]-1,8-epoxy-p-menthane (1/4), di-µ-hydroxo-bis[aquatribromotin (IV)]-1,8-epoxy-p-menthane (1/4), di-µ-hydroxo-bis[aquatrichlorotin(IV)]-water (1/4), and cis-dia-quatetrachlorotin (IV)-water (1/3) John C. Barnes, Hazel A. Sampson and Timothy J. R. Weakley, pp 949 DOI:10.1039/DT9800000949

Gas-phase molecular structure of bis(difluorophosphino)amine, determined by electron diffraction Christopher M. Huntley, Graham S. Laurenson and David W. H. Rankin, pp 954 DOI:10.1039/DT9800000954

Kinetics of ligand exchange between ethylenedinitrilotetra-acetato-cuprate(II) and triethylenetetra-aminecadmium(II) Edoardo Mentasti, pp 958 DOI:10.1039/DT9800000958

Reactions of co-ordinated ligands. Part 22. The reactivity of bis-(ethylene)(5-indenyl)rhodium in displacement reactions with olefins, dienes, and acetylenes; crystal structure of 5-indenyl{l-2 :3-4-4-[6-endo-propen-2-yl-1,2,3,4-tetrakis(trifluoromethyl)cyclohexa-l,3-diene]}rhodium formed in a cyclo-cotrimerisation reaction Peter Caddy, Michael Green, Edmund O'Brien, Lesley E. Smart and Peter Woodward, pp 962 DOI:10.1039/DT9800000962

The cyanobis(1,10-phenanthroline)platinum(II) complex in aqueous solution and as the crystalline nitrate. Nuclear magnetic resonance measurements and crystal-structure determination Ole Wernberg and Alan Hazell, pp 973 DOI:10.1039/DT9800000973

Electrochemical behaviour of five-co-ordinate nitrosyl cobalt complexes in an aprotic medium Renato Seeber, Gian Antonio Mazzocchin, Gabriele Albertin and Emilio Bordignon, pp 979 DOI:10.1039/DT9800000979

Ternary complexes of copper(II) with mixed acetylacetonate and nitrogen-containing ligands Neil A. Bailey, David E. Fenton, Margaret V. Franklin and Michael Hall, pp 984 DOI:10.1039/DT9800000984

Naphthalene complexes. Part 1. Metal vapour preparation of bis(6-naphthalene)chromium(0) and its arene replacement reactions Ernst Peter Kündig and Peter L. Timms, pp 991 DOI:10.1039/DT9800000991

Crystal and molecular structure of the potassium salt of polymeric manganese(III) malonate, K[Mn(C3H2O4)2(CH3OH)] Tadeusz Lis and Janusz Matuszewski, pp 996 DOI:10.1039/DT9800000996

Kinetics and mechanism of mono- and di-olefin exchange at five-co-ordinate iron(0) Philip M. Burkinshaw, Denis T. Dixon and James A. S. Howell, pp 999 DOI:10.1039/DT9800000999

Bonding properties of trinuclear metal carbonyls John Evans, pp 1005 DOI:10.1039/DT9800001005

Chlorine-35 nuclear quadrupole resonance studies of some six-membered ring systems containing nitrogen, sulphur, and/or phosphorus : -(NSClO)3, cis-(NSClO)2(NPCl2), and (NSClO)(NPCl2)2 Alan Connelly, Peter Harkins, Andrew L. Porte, Robert A. Shaw and Johan C. van de Grampel, pp 1012 DOI:10.1039/DT9800001012

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX015

Issue 7

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX017

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP017

Reduction of gold(III) to gold(I) by dialkyl sulphides. Evidence for an atom-transfer redox process Giuliano Annibale, Luciano Canovese, Lucio Cattalini and Giovanni Natile, pp 1017 DOI:10.1039/DT9800001017

Comparison of the ligating properties of disulphides and thioethers: dimethyl disulphide, dimethyl sulphide, and related ligands Helmut Sigel, Kurt H. Scheller, Volker M. Rheinberger and Beda E. Fischer, pp 1022 DOI:10.1039/DT9800001022

Separation of a nickel(II)-rubeanic acid complex prepared on interlamellar surfaces of molybdenum trioxide S. Son, N. Kinomura, F. Kanamaru and M. Koizumi, pp 1029 DOI:10.1039/DT9800001029

Nature of the novel C15H15 ligand in [W(CO)2(5-C5H5)(3-C15H15)] Robin D. Rogers, William E. Hunter and Jerry L. Atwood, pp 1032 DOI:10.1039/DT9800001032

Reactions of alkali-metal azides with some halogenophosphorus compounds Keith B. Dillon, Andrew W. G. Platt and Thomas C. Waddington, pp 1036 DOI:10.1039/DT9800001036

Sulphur-ligand-metal complexes. Part 8. Bis(diphenylphosphinothioyl)methane complexes of copper(I) Eric W. Ainscough, Andrew M. Brodie and Kevin L. Brown, pp 1042 DOI:10.1039/DT9800001042

Pentamethylcyclopentadienyl-rhodium and -iridium complexes. Part 26. Dicationic 5-aniline and 6-anisole complexes Pablo Espinet, Pamela M. Bailey, Raymond F. Downey and Peter M. Maitlis, pp 1048 DOI:10.1039/DT9800001048

Thermochemistry of metal complexes with the rigid ligand 1,3,5-cis,cis-triaminocyclohexane Luigi Fabbrizzi, Mauro Micheloni and Piero Paoletti, pp 1055 DOI:10.1039/DT9800001055

Iodine-127 Mössbauer spectra of [I2][Sb2F11] and some polyhalide anions Thomas Birchall and Ronald D. Myers, pp 1060 DOI:10.1039/DT9800001060

Crystal structures of complexes between alkali-metal salts and cylic polyethers. Part 11. Complexes formed between 2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin (benzo-15-crown-5) and sodium perchlorate (1 : 1), sodium perchlorate (2 : 1), and sodium tetraphenylborate (2 : 1) John D. Owen, pp 1066 DOI:10.1039/DT9800001066

Thermodynamics of lanthanide elements. Part 2. Enthalpies of formation of erbium trichloride and of the aqueous erbium(3+) ion Jean Fuger, Lester Morss and David Brown, pp 1076 DOI:10.1039/DT9800001076

Hydrogen-1 nuclear magnetic resonance study of the self-association of 1,10-phenanthroline, 2,2-bipyridyl, and their zinc(II) complexes Paul R. Mitchell, pp 1079 DOI:10.1039/DT9800001079

Ultraviolet photoelectron spectra of some methyl esters of dithiocarbazic acids and of [Ni{N(CH3)2-NC(-S)SCH3}2] and comparison with quantum-mechanical calculations Carla Cauletti, Franco Tarli, Anna Monaci, Aldo Amore Bonapasta and Mario Bossa, pp 1087 DOI:10.1039/DT9800001087

Crystal structure and the infrared and Raman spectra of potassium nitridosulphonate hydrate, K3[N(SO3)2]·H2O John R. Hall, Robert A. Johnson, Colin H. L. Kennard, Graham Smith, Brian W. Skelton and Allan H. White, pp 1091 DOI:10.1039/DT9800001091

Aryltriazenido-complexes. Crystal and molecular structure of trans-carbonyl(1,3-di-p-tolyltriazenido)bis(triphenylphosphine)iridium(I) Attilio Immirzi, William Porzio, Gabriella Bombieri and Luigi Toniolo, pp 1098 DOI:10.1039/DT9800001098

Studies on the µ-(NN)-ethylenediaminetetra-acetato-di-µ-oxo-bis-[oxotungstate(V)], [W2O4(edta)]2-, complex in aqueous solutions. Formation of an aquo-ion and redox properties Allan B. Soares, R. Craig Taylor and A. Geoffrey Sykes, pp 1101 DOI:10.1039/DT9800001101

Crystal structure of bis(2-aminoethyl)amine(di-2-pyridylamine)zinc(II) nitrate and the electronic properties of the copper(II)-doped system Noel Ray and Brian Hathaway, pp 1105 DOI:10.1039/DT9800001105

An electrochemical study of thiohydroxamate and hydroxamate complexes of iron(III) David J. Brockway, Keith S. Murray and Peter J. Newman, pp 1112 DOI:10.1039/DT9800001112

A structural model for Lewis acids and bases. An analysis of the structural chemistry of the acetate and trifluoroacetate ions I. David Brown, pp 1118 DOI:10.1039/DT9800001118

Mechanism of complex formation: kinetics and equilibria of the gallium(III)-5-nitrosalicylate ion system Berta Perlmutter-Hayman, Fernando Secco, Eliana Tapuhi and Marcella Venturini, pp 1124 DOI:10.1039/DT9800001124

The formation of diazoalkane and diazenido-complexes from the reaction of methyl bromide with trans-bis[1,2-bis(diphenylphosphino)-ethane]bis(dinitrogen)tungsten in various solvents Joseph Chatt, Robert A. Head and G. Jeffery Leigh, pp 1129 DOI:10.1039/DT9800001129

Endo addition to dienylium metal complexes Aubrey L. Burrows, Ken Hine, Brian F. G. Johnson, Jack Lewis, David G. Parker, Antony Poe and Eduardo J. S. Vichi, pp 1135 DOI:10.1039/DT9800001135

Ionic-covalent equilibria in boron trihalide adducts. The BF2(hmpa)2+ cation J. Stephen Hartman and Peter Stilbs, pp 1142 DOI:10.1039/DT9800001142

Further investigations on the reactivity of rhenium arylimido-complexes and the deoxygenation reaction of RNO in [ReCl3(RNO)(OPPh3)] Girolamo La Monica and Sergio Cenini, pp 1145 DOI:10.1039/DT9800001145

Diazoalkane complexes of tungsten. Crystal structures of [WBr(N-NCHCH2CH2CH2OH)(dppe)2][PF6]·0.5EtOH (1) and [WBr(N-NCMe2)(dppe)2]Br·0.5MeOH (2) Robert A. Head and Peter B. Hitchcock, pp 1150 DOI:10.1039/DT9800001150

Reactions of trimethylsilylcyclopentadiene derivatives with titanium, niobium, and tantalum halides Ana M. Cardoso, Robin J. H. Clark and Stephen Moorhouse, pp 1156 DOI:10.1039/DT9800001156

Co-ordination compounds of indium. Part 35. The direct electrochemical synthesis of adducts of indium(III) halides Jacob J. Habeeb, Farouq F. Said and Dennis G. Tuck, pp 1161 DOI:10.1039/DT9800001161

Chlorine-35 nuclear quadrupole resonance studies on some tin(IV) chloride adducts Paul G. Huggett, Roderick J. Lynch, Thomas C. Waddington and Kenneth Wade, pp 1164 DOI:10.1039/DT9800001164

Complexes of trimethylplatinum(IV) halides with dithio- and diselenoethers, dimethyl disulphide, and dimethyl diselenide Edward W. Abel, A. Rauf Khan, Kenneth Kite, Keith G. Orrell and Vladimir ik, pp 1169 DOI:10.1039/DT9800001169

A nuclear magnetic resonance study of sulphur and selenium inversion in complexes of trimethylplatinum(IV) halides with dithio- and diselenoethers Edward W. Abel, A. Rauf Khan, Kenneth Kite, Keith G. Orrell and Vladimir ik, pp 1175 DOI:10.1039/DT9800001175

Crystal structure of tetra(glycolato)uranium(IV) dihydrate a photoreduction product of uranyl ions in the presence of glycolic acid Nathaniel W. Alcock, Terence J. Kemp, Silvana Sostero and Orazio Traverso, pp 1182 DOI:10.1039/DT9800001182

Metallaborane chemistry. Part 11. Lower rotational barriers in seven-vertex than in twelve-vertex carbaplatinaboranes: synthesis, and molecular and crystal structures of [closo-1,1-(Et3P)2-2,3-Me2-1,2,3-PtC2B4H4] and [closo-1,1-(Et3P)2-1,2,4-PtC2B4H6] Geoffrey K. Barker, Michael Green, F. Gordon A. Stone and Alan J. Welch, pp 1186 DOI:10.1039/DT9800001186

The oxidative addition of allylic halides to bis(cyclo-octa-1,5-diene)-platinum; dynamic behaviour of - and 1-3--allyl(cyclo-octa-1,5-diene) platinum complexes Neil M. Boag, Michael Green, John L. Spencer and F. Gordon A. Stone, pp 1200 DOI:10.1039/DT9800001200

Ligand-substitution reactions of neutral and cationic allyl(cyclo-octa-1,5-diene)platinum complexes Neil M. Boag, Michael Green, John L. Spencer and F. Gordon A. Stone, pp 1208 DOI:10.1039/DT9800001208

The synthesis, reactions, and dynamic behaviour of allyl(cyclopentadenyl)platinum complexes Neil M. Boag, Michael Green, John L. Spencer and F. Gordon A. Stone, pp 1220 DOI:10.1039/DT9800001220

Studies relating to the ferredoxins. Part 2. Exchange reactions of some cysteine-glycine peptides with the iron-sulphur cluster compound bis(tetramethylammonium) tetrakis(µ3-sulphido-t-butylthioiron) Roger J. Burt, Brian Ridge and H. N. Rydon, pp 1228 DOI:10.1039/DT9800001228

Bonding studies of derivatives of pentaborane(9) through self-consistent charge calculations Paul Brint and Trevor R. Spalding, pp 1236 DOI:10.1039/DT9800001236

Comparative study of the electrochemical and pulse-radiolytic oxidation of the complexes of nickel(II) and copper(II) containing 1,4,8,11-tetra-azacyclotetradecane Esther Zeigerson, Gregory Ginzburg, Dan Meyerstein and Louis J. Kirschenbaum, pp 1243 DOI:10.1039/DT9800001243

Joint X-ray and neutron diffraction refinement of the crystal and molecular structure of tri-µ-hydrido-µ-iodo-cyclo-tetrakis(tricarbonylosmium)(4 Os-Os) Brian F. G. Johnson, Jack Lewis, Paul R. Raithby, Kenneth Wong and Keith D. Rouse, pp 1248 DOI:10.1039/DT9800001248

Note. Crystal and molecular structure of 6,6-bis(nido-decaboranyl) oxide (B10H13)2O Norman N. Greenwood, Walter S. McDonald and Trevor R. Spalding, pp 1251 DOI:10.1039/DT9800001251

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX019

Issue 8

Synthesis and structural studies of chromium, molybdenum, and tungsten compounds containing cyclopentadienyl-like ligands. Part 3. Dicarbonylnitrosyl(-pentamethylcyclopentadienyl) complexes John T. Malito, Riz Shakir and Jerry L. Atwood, pp 1253 DOI:10.1039/DT9800001253

Rhodium(I) complexes of 8-methyl-, 8-ethyl-, and 8-isopropyl-quinolines and related 2-substituted derivatives Antony J. Deeming and Ian P. Rothwell, pp 1259 DOI:10.1039/DT9800001259

Zirconium complexes with the trifunctional 3-cyanopentane-2,4-dionate ligand George A. Lock and David W. Thompson, pp 1265 DOI:10.1039/DT9800001265

Application of the iodide-ion-selective electrode to a kinetic study of the periodate-iodide reaction Catherine Marques and Robert A. Hasty, pp 1269 DOI:10.1039/DT9800001269

Crystal structure and spectroscopic properties of a polynuclear complex between copper(II), diethylenetriamine, and ferrocyanide Giorgio Oscar Morpurgo, Valeria Mosini, Piero Porta, Giulia Dessy and Vincenzo Fares, pp 1272 DOI:10.1039/DT9800001272

Equilibria in complexes of N-heterocyclic molecules. Part 29. An electron spin resonance study of some N-heterocyclic complex ions of silver(II) Jeffrey C. Evans, R. D. Gillard, Robert J. Lancashire and Peter H. Morgan, pp 1277 DOI:10.1039/DT9800001277

Trimethylsilyl derivatives for the study of silicate structures. Part 7. Calcium silicate structures Harry P. Calhoun and Charles R. Masson, pp 1282 DOI:10.1039/DT9800001282

An timony(III) acetate and thioacetate: spectra and crystal structures Michael Hall and D. Bryan Sowerby, pp 1292 DOI:10.1039/DT9800001292

Electron spin resonance study of the species formed by reduction of iron(III) chelates of tetrasodium 3,10,17,24-tetrasulphonatophthalocyanine in aqueous solution Thomas D. Smith, Cheng H. Tan, David J. Cookson and John R. Pilbrow, pp 1297 DOI:10.1039/DT9800001297

Studies in six-co-ordination of the lanthanides with bidentate ligands. The crystal and molecular structures of tris(dicyclohexyldithiophosphinato)dysprosium(III) and tris(dicyclohexyldithiophosphinato)lutecium(III) A. Alan Pinkerton and Dieter Schwarzenbach, pp 1300 DOI:10.1039/DT9800001300

Reactivity of uranyl ion with quinquedentate chelating hydrazine derivatives. Part 2. 2,6-Diacetylpyridine bis(4-methoxybenzoylhydrazone) Gino Paolucci, Giampaolo Marangoni, Giuliano Bandoli and Dore A. Clemente, pp 1304 DOI:10.1039/DT9800001304

Binary and ternary complexes of copper(II) involving imidazole, histamine, and L-histidine as ligands Madhavan Sivasankaran Nair, Muchi Santappa and Paramasivam Natarajan, pp 1312 DOI:10.1039/DT9800001312

Pentagonal-bipyramidal molybdenum- and tungsten-(II) derivatives: crystal and molecular structure of 1-3--allyldicarbonylchlorobis-(trimethyl phosphite)molybdenum(II) Brian J. Brisdon, Dennis A. Edwards, Kathleen E. Paddick and Michael G. B. Drew, pp 1317 DOI:10.1039/DT9800001317

Photochemistry of uranium(IV) 1,3-diketonates in organic solvents Silvana Sostero, Orazio Traverso, Luciano Magon, Pierino Zanella and Giancarlo Scibona, pp 1324 DOI:10.1039/DT9800001324

Temperature- and wavelength-dependent photochemistry of [Cr(CO)5-(NMe3)] in argon and xenon matrices. Evidence for the formation of [Cr(CO)5] and novel [Cr(CO)4(NMe3)] complexes with three different types of symmetry Gosse Boxhoorn, Derk J. Stufkens and Ad Oskam, pp 1328 DOI:10.1039/DT9800001328

Photochemistry of [Fe(CO)4L] complexes (L = NMe3 or pyridine) in argon and xenon matrices. Evidence for the formation of C3v[Fe(CO)3L] and the reversible infrared-induced isomerization to Cs[Fe(CO)3L] Gosse Boxhoorn, Marinus B. Cerfontain, Derk J. Stufkens and Ad Oskam, pp 1336 DOI:10.1039/DT9800001336

Crystal structure and electronic properties of ammine[tris(2-aminoethyl)amine]copper(II) diperchlorate and potassium penta-amminecopper(II) tris(hexafluorophosphate) Mary Duggan, Noel Ray, Brian Hathaway, Gustav Tomlinson, Paul Brint and Kevin Pelin, pp 1342 DOI:10.1039/DT9800001342

Thermodynamic studies on the complexation reaction of copper(II) macrocyclic tetramine complexes with hydroxide ion Bih-Fong Liang and Chung-Sun Chung, pp 1349 DOI:10.1039/DT9800001349

Crystal and molecular structure of SnMePh[C10H5(OMe-5)(CH2NMe2-8)]Br and proton nuclear magnetic resonance study of the puckering of the chelate ring in five-co-ordinate triorganotin halides SnRR-[C10H5(OMe-5)(CH2NMe2-8)]X and SnRR[CH2C6H4(CH2NMe2-2)]X Gerard van Koten, Johann T. B. H. Jastrzebski, Jan G. Noltes, Godefridus J. Verhoeckx, Anthony L. Spek and Jan Kroon, pp 1352 DOI:10.1039/DT9800001352

Structure and reactivities of six-co-ordinate first-row transition-metal nitrosyl complexes Frank Bottomley and Friedrich Grein, pp 1359 DOI:10.1039/DT9800001359

Acetylenes and noble-metal compounds. Part 15. Reactions of dialkylacetylenes with bis(acetonitrile)dichloroplatinum(II) and tin(II) chloride to give ionic cyclobutadieneplatinum-tin complexes Josep Moreto and Peter M. Maitlis, pp 1368 DOI:10.1039/DT9800001368

Group 3 tetrahydroborates. Part 3. The molecular structure of methylaluminium bis(tetrahydroborate) in the gas phase as determined by electron diffraction Michael T. Barlow, C. John Dain, Anthony J. Downs, Patrick D. P. Thomas and David W. H. Rankin, pp 1374 DOI:10.1039/DT9800001374

Magnetic susceptibility and electron spin resonance of some copper(II) unsaturated carboxylates William J. Newton, Colin Oldham and Brian J. Tabner, pp 1379 DOI:10.1039/DT9800001379

Chemistry of polydentate ligands. Part 7. Synthesis, characterisation, and properties of some manganese(II) complexes of quinquedentate macrocyclic ligands based on 1,10-phenanthroline. Crystal and molecular structure of a complex with pentagonal-pyramidal coordination geometry about the MnII Jack Lewis, Timothy D. O'Donoghue and Paul R. Raithby, pp 1383 DOI:10.1039/DT9800001383

Chemistry of polydentate ligands. Part 8. Preparation and properties of iron(II) complexes with quinquedentate macrocyclic ligands. Crystal and molecular structure of a compound where high-spin FeII sits in the ligand cavity. Electrochemistry of a series of complexes with the macrocycles Michael M. Bishop, Jack Lewis, Timothy D. O'Donoghue, Paul R. Raithby and John N. Ramsden, pp 1390 DOI:10.1039/DT9800001390

A magnetic susceptibility study of spin-state transitions in rare-earth trioxocobaltates(III) W. Hanumantharao Madhusudan, Krishnaswamy Jagannathan, Parthasarathy Ganguly and C. N. Ramachandra Rao, pp 1397 DOI:10.1039/DT9800001397

Reactions of metal atoms with poly(methylphenylsiloxanes) and other polymers and compounds of low volatility Colin G. Francis and Peter L. Timms, pp 1401 DOI:10.1039/DT9800001401

Reactions of trans-bis[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)-tungsten and -molybdenum with --dibromides, Br(CH2)nBr (n= 2-12) Joseph Chatt, Wasif Hussain, G. Jeffery Leigh and F. Pilar Terreros, pp 1408 DOI:10.1039/DT9800001408

A new kind of metal incorporation in porphyrins during mass spectrometric analysis: cation exchange between lithium halide or transition-metal halide surfaces and metalloporphyrins in field desorption Neil B. H. Henis, Tim L. Youngless and Maurice M. Bursey, pp 1416 DOI:10.1039/DT9800001416

Crystal and molecular structure of an unsubstituted bis(phenoxo)-derivative of copper(II), the [{Cu(OPh)2(en)}2]·2PhOh dimer, with a normal magnetic moment at room temperature Fausto Calderazzo, Fabio Marchetti, Giancarlo Dell'Amico, Giancarlo Pelizzi and Arturo Colligiani, pp 1419 DOI:10.1039/DT9800001419

Ab-initio SCF molecular-orbital calculations on dinitrogen transition-metal complexes John N. Murrell, Afaf Al-Derzi, G. Jeffery Leigh and Martyn F. Guest, pp 1425 DOI:10.1039/DT9800001425

Carbonylation of [PtX(Ph)(PR3)2]. New intermediates in the CO insertion sequence Gordon K. Anderson and Ronald J. Cross, pp 1434 DOI:10.1039/DT9800001434

Thallium-205 nuclear magnetic resonance spectra of thallium(I) alkoxides Phillip J. Burke, Ray W. Matthews and Duncan G. Gillies, pp 1439 DOI:10.1039/DT9800001439

Bis(-cyclopentadienyl)-molybdenum (and -tungsten or -titanium) complexes with chelate imidazole derivatives and related ligands Maria J. Calhorda and Alberto R. Dias, pp 1443 DOI:10.1039/DT9800001443

Mechanistic studies of some oxidative-addition reactions: free-radical pathways in the Pt0-RX, Pt0-PhBr, and PtII-RSO2X reactions (R = alkyl, R= aryl, X = halide) and in the related rhodium(I) or iridium(I) systems Thomas L. Hall, Michael F. Lappert and Peter W. Lednor, pp 1448 DOI:10.1039/DT9800001448

Some reductions of sulphur-nitrogen-chloride compounds to give tetrasulphur tetranitride Arthur J. Banister, Andrew J. Fielder, Richard G. Hey and Nigel R. M. Smith, pp 1457 DOI:10.1039/DT9800001457

The interaction of amines with iron pentacarbonyl John R. Miller, Barry D. Podd and Magalis O. Sanchez, pp 1461 DOI:10.1039/DT9800001461

Mass spectral investigations on benzeneseleninic acid Adriano Benedetti, Carlo Preti, Giuseppe Tosi and Paolo Zannini, pp 1467 DOI:10.1039/DT9800001467

Complexes of methylmercury(II) with dithiol ligands: spectroscopic and crystallographic studies. The crystal structure of trans-1,2-dimercaptocyclohexanebis[methylmercury(II)], [Hg2Me2(S2C6H10)] Nathaniel W. Alcock, Paul A. Lampe and Peter Moore, pp 1471 DOI:10.1039/DT9800001471

Crystal and molecular structure of trichloro-oxobis(triphenylphosphine oxide)tungsten(V), (1). Single-crystal electron spin resonance spectra of (1) and tetraphenylarsonium aquatetrachloro-oxotungstate(V) and electronic structures of these and some related molybdenum(V) compounds Lesley H. Hill, Nepal C. Howlader, Frank E. Mabbs, Michael B. Hursthouse and K. M. Abdul Malik, pp 1475 DOI:10.1039/DT9800001475

Vibrational spectroscopy at very high pressures. Part 26. An infrared study of the metastable phases of Ca[CO3] David M. Adams and Alan D. Williams, pp 1482 DOI:10.1039/DT9800001482

Note. The mechanism of oxidation of hexacyanoferrate(II) by nitrous acid John C. Bates, Patricio Reveco and Geoffrey Stedman, pp 1487 DOI:10.1039/DT9800001487

Issue 9

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX021

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP021

Reaction of electrogenerated [CoI(salen)]- with t-butyl bromide and t-butyl chloride Anna Puxeddu, Giacomo Costa and Nazario Marsich, pp 1489 DOI:10.1039/DT9800001489

Influence of solvation on the initial and transition states for anation reactions of transition-metal complexes in mixed aqueous solvents Cecil F. Wells, pp 1494 DOI:10.1039/DT9800001494

Kinetics and mechanism of the reactions of uranyl ion and -diketones in methanol-water (9 : 1 v/v) Michael J. Hynes and Brigid D. O'Regan, pp 1502 DOI:10.1039/DT9800001502

Crystal structure of a natural and a partially silver-exchanged heulandite Nevenka Bresciani-Pahor, Mario Calligaris, Giorgio Nardin, Lucio Randaccio, Elio Russo and Piero Comin-Chiaramonti, pp 1511 DOI:10.1039/DT9800001511

Manganese 3d and 4s electron-density distribution in phthalocyaninatomanganese(II) Brian N. Figgis, Edward S. Kucharski and Geoffrey A. Williams, pp 1515 DOI:10.1039/DT9800001515

Kinetics and mechanism of oxidations by peroxodiphosphate ions. Part 7. Role of trace metal ions, and catalysis by ethylenediaminetetra-acetatocopper(II) in the oxidation of hexacyanoferrate(II) in acid perchlorate media Lalit M. Bharadwaj, Devendra N. Sharma and Yugul K. Gupta, pp 1526 DOI:10.1039/DT9800001526

Kinetics and mechanism of the oxidation of hydroxylamine by aquavanadium(V) ions in aqueous perchlorate media Abdul Fattah M. Nazer and Cecil F. Wells, pp 1532 DOI:10.1039/DT9800001532

Carbon-13 nuclear magnetic resonance studies on nickel carbonyl clusters Giuliano Longoni, Brian T. Heaton and (the late) Paolo Chini, pp 1537 DOI:10.1039/DT9800001537

An antimony-121 Mössbauer spectroscopic study of some dihalogeno(halogen-substituted benzene-1,2-diolato)antimonate(III) complexes and of some tetrabromoantimonates(III) Mohammed Alamgir, Peter W. C. Barnard and John D. Donaldson, pp 1542 DOI:10.1039/DT9800001542

Chlorine-containing mixed halogen adducts of triphenylphosphine, triphenylarsine, and triphenylstibine M. Farhat Ali and Gordon S. Harris, pp 1545 DOI:10.1039/DT9800001545

Crystal structures of diethyldithiocarbamatodiphenylthallium(III) and diphenyltropolonatothallium(III) Richard T. Griffin, Kim Henrick, Ray W. Matthews and Mary McPartlin, pp 1550 DOI:10.1039/DT9800001550

Crystal structures of three palladium complexes with ortho-phenylenebis(methylphenylarsine) ligands Brian W. Skelton and Allan H. White, pp 1556 DOI:10.1039/DT9800001556

Crystal structures of meso-ortho-phenylenebis(methylphenylphosphine) and its monoprotonated tetrafluoroborate salt Nicholas K. Roberts, Brian W. Skelton and Allan H. White, pp 1567 DOI:10.1039/DT9800001567

Oxygen-transfer reactions in platinum metal complexes of nitric oxide and sulphur dioxide Sumit Bhaduri, Brian F. G. Johnson, Abul Khair, I. Ghatak and D. M. P. Mingos, pp 1572 DOI:10.1039/DT9800001572

The hydrolysis of metal ions. Part 3. Lead(II) Ronald N. Sylva and Paul L. Brown, pp 1577 DOI:10.1039/DT9800001577

Determination of the separate barrier energies for six-membered ligand ring reversal and pyramidal sulphur inversion in complexes of palladium(II) and platinum(II). A dynamic hydrogen-1 and carbon-13 nuclear magnetic resonance study Edward W. Abel, Martin Booth and Keith G. Orrell, pp 1582 DOI:10.1039/DT9800001582

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 1. Synthesis of platinum-chromium, -molybdenum, and -tungsten compounds; crystal structure of [(OC)5W{µ-C(OMe)Ph}Pt(PMe3)2] Terence V. Ashworth, Judith A. K. Howard, Mariano Laguna and F. Gordon A. Stone, pp 1593 DOI:10.1039/DT9800001593

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 2. Formation of manganese-platinum, -palladium, and -nickel compounds, and the crystal structures of two forms of [(OC)4Mn{µ-(1-,1-2--CCH-CH2-CH2-O)}Pt(PMe3)2] Madeleine Berry, Judith A. K. Howard and F. Gordon A. Stone, pp 1601 DOI:10.1039/DT9800001601

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 3. Synthesis of bimetallic platinum-tungsten complexes with µ-tolylidyne groups; crystal structure of [PtW(µ-C·C6H4Me-p)(CO)2(PMe2Ph)2(-C5H5)] Terence V. Ashworth, Judith A. K. Howard and F. Gordon A. Stone, pp 1609 DOI:10.1039/DT9800001609

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 4. Synthesis of triangulo-diplatinum-chromium and -tungsten complexes. Crystal structure of [Pt2W{µ-C(OMe)Ph}(CO)6(PBut2Me)2] Terence V. Ashworth, Madeleine Berry, Judith A. K. Howard, Mariano Laguna and F. Gordon A. Stone, pp 1615 DOI:10.1039/DT9800001615

Chemistry of di- and tri-metal complexes with bridging carbene or carbyne ligands. Part 5. Synthesis and crystal structure of [MnPt(µ-I)(COCH2CH2CH2)(CO)4(PBut2Me)] Madeleine Berry, Jesus Martin-Gil, Judith A. K. Howard and F. Gordon A. Stone, pp 1625 DOI:10.1039/DT9800001625

Alkali-metal heptafluorodiarsenates(III): their preparation and the crystal structure of the potassium salt Anthony J. Edwards and Shantubai N. Patel, pp 1630 DOI:10.1039/DT9800001630

Synthesis and chemistry of some palladacyclopentanes Pietro Diversi, Giovanni Ingrosso, Antonio Lucherini and Stefania Murtas, pp 1633 DOI:10.1039/DT9800001633

Standard enthalpy of formation of bis(diethyldithiocarbamato)copper(II) at 298 K and the copper-sulphur bond energy Kingsley J. Cavell, John O. Hill and Robert J. Magee, pp 1638 DOI:10.1039/DT9800001638

Reactivity of bridgehead halides with pentacyanocobaltate(II) Swee Hock Goh and Lai Yoong Goh, pp 1641 DOI:10.1039/DT9800001641

Metal carbonyl photochemistry. Part 1. Photolysis of the Group 6 hexacarbonyls in hydrocarbon glasses; the species M(CO)5, M(CO)4, M(CO)3, and [M(CO)5(OH2)] Michael J. Boylan, John D. Black and Paul S. Braterman, pp 1646 DOI:10.1039/DT9800001646

Metal carbonyl photochemistry. Part 2. Photochemistry of hexacarbonyls in glasses containing oxygen donors; the species [M(CO)5(mthf)](M = Cr, Mo, W, or V-I), cis-[M(CO)4(mthf)2], and fac-[M(CO)3(mthf)3](M = Cr, Mo, or W) John David Black, Michael J. Boylan, Paul S. Braterman and Alistair Fullarton, pp 1651 DOI:10.1039/DT9800001651

Reactions of amino-acids co-ordinated to metal ions. Part 1. Investigation of the condensation of formaldehyde and metal-co-ordinated glycine Luigi Casella, Alessandro Pasini, Renato Ugo and Mario Visca, pp 1655 DOI:10.1039/DT9800001655

Chemistry of polydentate ligands. Part 9. Preparation and properties of Group 2B cation complexes with multidentate ligands based on 2,2-bipyridyl Jack Lewis, Timothy D. O'Donoghue, Zahida P. Haque and Peter A. Tasker, pp 1664 DOI:10.1039/DT9800001664

Interaction of cis-diamminediaquoplatinum(II) with adenosylcobalamin and alkylcobalamins Harry P. C. Hogenkamp, Nancy A. Kohlmiller, Robert Howsinger, Thomas E. Walker and Nicholas A. Matwiyoff, pp 1668 DOI:10.1039/DT9800001668

Molecular-orbital studies on carbametallaboranes. Part 3. Tricapped trigonal prismatic carbaplatinaborane and related polyhedral molecules D. Michael P. Mingos and Alan J. Welch, pp 1674 DOI:10.1039/DT9800001674

Silver(I) imidazole perchlorate. An (Ag+)6 cluster and its radiolytically produced one-electron adduct studied by X-ray diffraction and electron spin resonance spectroscopy George W. Eastland, Muhammed A. Mazid, David R. Russell and Martyn C. R. Symons, pp 1682 DOI:10.1039/DT9800001682

Structure of phthalocyaninatocobalt(II) at 4.3 K: a neutron-diffraction study Geoffrey A. Williams, Brian N. Figgis, Ronald Mason, Sax A. Mason and Peter E. Fielding, pp 1688 DOI:10.1039/DT9800001688

Synthesis and structure of methylmercury(II) complexes of 9-methylguanine, including the X-ray structural analysis of (9-methylguanine)-methylmercury(II) nitrate Allan J. Canty, (the late) R. Stuart Tobias, Narongsak Chaichit and Bryan M. Gatehouse, pp 1693 DOI:10.1039/DT9800001693

Selective cleavage of the two types of Pd-N bonds in di-µ-halogeno-bis[arylazo-oximatopalladium(II)] Pradip K. Mascharak and Animesh Chakravorty, pp 1698 DOI:10.1039/DT9800001698

Crystal and molecular structure and magnetic properties of tetrakis-[bromo(2-diethylaminoethanolato)copper(II)]-tetrachloromethane (1/4), a complex with a ferromagnetic ground state Reiner Mergehenn, Ludwig Merz and Wolfgang Haase, pp 1703 DOI:10.1039/DT9800001703

Reduction-oxidation properties of organotransition-metal complexes. Part 9. Silver(I) adducts of cyclic polyeneone complexes, the X-ray crystal structure of [{Fe(CO)3[5-C5Ph4OAg(OH2)]}2][PF6]2, and comments on the use of the silver(I) ion as a one-electron oxidant Paul K. Baker, Karen Broadley, Neil G. Connelly, Barbara A. Kelly, Maureen D. Kitchen and Peter Woodward, pp 1710 DOI:10.1039/DT9800001710

Olefin-acetylene metal complexes: olefin-hexafluorobut-2-yne complexes of rhodium(I) Martin E. Howden, Raymond D. W. Kemmitt and Michael D. Schilling, pp 1716 DOI:10.1039/DT9800001716

Enthalpic and entropic contributions in the reactions of hydrogen, copper(II) and nickel(II) ions with the macrocycle 1,5,9,13-tetra-azacyclohexadecane Elisabetta Gallori, Emilio Martini, Mauro Micheloni and Piero Paoletti, pp 1722 DOI:10.1039/DT9800001722

Influence of electrolytic dissociation upon rates of reactions. Part 9. The aquation of chloro- and bromo-penta-amminecobalt(III) and of -penta-amminechromium(III) in aqueous and 10% ethanol solutions of sulphate and dicarboxylates Mohamed F. Amira, Peter Carpenter and Cecil B. Monk, pp 1726 DOI:10.1039/DT9800001726

Re-examination of the electron spin resonance spectrum of trigonal-prismatic bis[pentane-2,4-dione benzoylhydrazonato(2-)]vanadium(IV) Alex A. Diamantis, J. Barrie Raynor and Philip H. Rieger, pp 1731 DOI:10.1039/DT9800001731

Fluoride crystal structures. Part 34. Antimony pentafluoride-iodine trifluoride dioxide Anthony J. Edwards and Arsein A. K. Hana, pp 1734 DOI:10.1039/DT9800001734

Crystal structures of hydrido-, fluoro-, and chloro-tris(triethyl-phosphine)platinum(II) salts David R. Russell, Muhammed A. Mazid and Paul A. Tucker, pp 1737 DOI:10.1039/DT9800001737

The structures and fluxional behaviour of the binary carbonyls; a new approach. Part 2. Cluster carbonyls Mm(CO)n(n= 12, 13, 14, 15, or 16) Robert E. Benfield and Brian F. G. Johnson, pp 1743 DOI:10.1039/DT9800001743

Derivatives of acetamide containing difluorophosphino-groups E. A. V. Ebsworth, David W. H. Rankin, Wolfgang Steger and John G. Wright, pp 1768 DOI:10.1039/DT9800001768

Further chemistry of tris(µ-methylene)-hexakis(trimethylphosphine)diruthenium(III). Synthesis and X-ray crystal structures of bis[bis(µ-methylene)-tetrakis(trimethylphosphine)ruthenium(III)]ruthenium(IV)-(Ru-Ru-Ru) bis(tetrafluoroborate), tris(µ-hydroxo)-hexakis(trimethylphosphine)diruthenium(II) tetrafluoroborate, and tricarbonylbis(trimethylphosphine)ruthenium(0) Richard A. Jones, Geoffrey Wilkinson, Anita M. R. Galas, Michael B. Hursthouse and K. M. Abdul Malik, pp 1771 DOI:10.1039/DT9800001771

Chemistry of low-valent metal isocyanide complexes. Part 2. Oxidative reactions of pentakis(t-butyl isocyanide)iron with alkyl, allyl, benzyl, fluoroalkyl, and pentafluorophenyl halides, and with trimethyloxonium tetrafluoroborate and diphenylacetylene. Evidence for isocyanide insertion reactions, and the molecular structure of [Fe(CNBut)3{1-4--C(NBut)C(Ph)C(Ph)C(NBut)}] Jean-Marie Bassett, Michael Green, Judith A. K. Howard and F. Gordon A. Stone, pp 1779 DOI:10.1039/DT9800001779

Notes. Protonation of pentakis(t-butyl isocyanide)iron Jean-Maria Bassett, Louis J. Farrugia and F. Gordon A. Stone, pp 1789 DOI:10.1039/DT9800001789

Photocondensation of mer-trichlorotris(diethyl sulphide)iridium(III) George B. Kauffman, James Hwa-San Tsai, Michel H. Gubelmann and Alan F. Williams, pp 1791 DOI:10.1039/DT9800001791

Unsymmetrical ligand complexes of CuII, NiII, and CoII derived from salicylaldehyde and 1,3-propanediamine with either pyridine-2-carbaldehyde or pyrrole-2-carbaldehyde Philip J. Burke and David R. McMillin, pp 1794 DOI:10.1039/DT9800001794

Synthesis and crystal and molecular structure of bis(trimethylsilyl-methylidyne)tetrakis(trimethylsilylmethyl)dirhenium (Re-Re) Manfred Bochmann, Geoffrey Wilkinson, Anita M. R. Galas, Michael B. Hursthouse and K. M. Abdul Malik, pp 1797 DOI:10.1039/DT9800001797

Reactivity of new azido-complexes of titanium and vanadium Robert Choukroun and Daniéle Gervais, pp 1800 DOI:10.1039/DT9800001800

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX023

Issue 10

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX025

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP027

Photochemistry of chloro-, bromo-, and iodo-pentacarbonylmanganese in frozen gas matrices at 12 K. Infrared spectroscopic evidence for tetracarbonylhalogenomanganese species with a C2 trigonal-bipyramidal structure Terence M. McHugh, Antony J. Rest and David J. Taylor, pp 1803 DOI:10.1039/DT9800001803

Effects of added alkali-metal and alkylammonium bromides on the kinetics of reaction between the [PdCl{Et2N(CH2)2NH(CH2)2NEt2}]+ cation and bromide ion in aqueous solutions Michael J. Blandamer, John Burgess, Philip R. Duce, Stephen J. Hamshere and Jonathan J. Walker, pp 1809 DOI:10.1039/DT9800001809

Crystal structure of 4-phenyl-1,2-dithia-3,5-diazole dimer Angel Vegas, Adela Pérez-Salazar, Arthur J. Banister and Richard G. Hey, pp 1812 DOI:10.1039/DT9800001812

Reactivity of [Co4(CO)12]. Synthesis and characterization of tetracobalt carbonyl anions of general forumla [Co4(CO)11X]- Giuliano Longoni, Stefano Campanella, Alessandro Ceriotti, Paolo Chini, Vincenzo G. Albano and Dario Braga, pp 1816 DOI:10.1039/DT9800001816

Crystal structure of tri-µ-carbonyl-octacarbonyl-iodo-tetrahedro-tetracobaltate(1-) as its tetraethylammonium salt Vincenzo G. Albano, Dario Braga, Giuliano Longoni, Stefano Campanella, Alessandro Ceriotti and Paolo Chini, pp 1820 DOI:10.1039/DT9800001820

Thermochemical study of adducts of tetramethylurea with zinc, cadmium, and mercury halides Claudio Airoldi, Aécio P. Chagas and Francisco P. Assunçäo, pp 1823 DOI:10.1039/DT9800001823

The {Bis-2,6-[1-(2-imidazol-4-ylethylimino)ethyl]pyridine}copper(I) cation. A synthetic CuI oxygen carrier in solution as a potential model for oxyhemocyanin Miriam G. Simmons, Connie L. Merrill, Lon J. Wilson, Lawrence A. Bottomley and Karl M. Kadish, pp 1827 DOI:10.1039/DT9800001827

Crystal and molecular structures of silyl isocyanate (at -135 °C) and of germyl isocyanate (at -95 °C) Michael J. Barrow, E. A. V. Ebsworth and Marjorie M. Harding, pp 1838 DOI:10.1039/DT9800001838

Carbon-oxygen and carbon-hydrogen bond cleavage in the reaction of [{Ru(CO)2(5-C5H)5}2]+ with phosphite and phosphine ligands James A. S. Howell and Anthony J. Rowan, pp 1845 DOI:10.1039/DT9800001845

Reactions of alkynes with [Os3(CO)11(NCCH3)]: the crystal structures of [Os3(CO)9(C3H2OH)H] and [Os3(CO)9(C3H2OCH3)H] Brian E. Hanson, Brian F. G. Johnson, Jack Lewis and Paul R. Raithby, pp 1852 DOI:10.1039/DT9800001852

Nuclear magnetic resonance investigation of rotation about phosphorus(V)-nitrogen bonds in aminocyclodiphosph(V)azanes Rodney Keat, David S. Rycroft and David G. Thompson, pp 1858 DOI:10.1039/DT9800001858

Synthesis and properties of bis(t-butyl)methoxides of chromium(III,IV), manganese(II), iron(III), cobalt(II), and copper(I). The crystal and molecular structures of lithium tetrakis[bis(t-butyl)methoxo]chromate(III)-tetrahydrofuran (1/1), tetrakis[bis(t-butyl)methoxo]chromium(IV), and lithium tetrakis[bis(t-butyl)methoxo]ferrate(III)-bis(t-butyl)-methanol (1/1) Manfred Bochmann, Geoffrey Wilkinson, G. Brent Young, Michael B. Hursthouse and K. M. Abdul Malik, pp 1863 DOI:10.1039/DT9800001863

Co-ordination chemistry of higher oxidation states. Part 1. Thioether complexes of osmium (IV), iridium(IV), and platinum(IV) David J. Gulliver, William Levason, Kenneth G. Smith, Michael J. Selwood and Stephen G. Murray, pp 1872 DOI:10.1039/DT9800001872

Preparation and properties of 1-adamantylmethyl and adamantyl complexes of transition metals Manfred Bochmann, Geoffrey Wilkinson and G. Brent Young, pp 1879 DOI:10.1039/DT9800001879

Interaction of nitric oxide with paramagnetic and diamagnetic alkyls of titanium, zirconium, vanadium, niobium, and tantalum A. Robert Middleton and Geoffrey Wilkinson, pp 1888 DOI:10.1039/DT9800001888

Thermal behaviour and crystal structure of dichlorobis(methyl 2-methyldithiocarbazate-N3S)cobalt(II)-methyl 2-methyldithiocarbazate (2/1), [Co{NH2NMeC(S)SMe}2Cl2]·0.5[NH2NMeC(S)SMe] Maurizio Lanfranchi, Anna Maria Manotti Lanfredi, Antonio Tiripicchio, Anna Monaci and Franco Tarli, pp 1893 DOI:10.1039/DT9800001893

A Raman spectroscopic study of noble-gas fluoride adduct formation with bismuth pentafluoride Ronald J. Gillespie, Dominique Martin and Gary J. Schrobilgen, pp 1898 DOI:10.1039/DT9800001898

Intramolecular rearrangement in -allyl complexes of molybdenum(II) containing unidentate amine ligands David J. Bevan and Roger J. Mawby, pp 1904 DOI:10.1039/DT9800001904

Preparation of some thionitrosyl-type transition-metal complexes and their characterisation by infrared, optical, and electron paramagnetic resonance spectroscopy: [M(S2N2H)2], [M(S2N2H)(S3N)], and [M-(S3N)2](M = Co, Ni, Pd, or Pt) J. Derek Woollins, Roger Grinter, Michael K. Johnson and Andrew J. Thomson, pp 1910 DOI:10.1039/DT9800001910

Electrochemical and chemical oxidation of [BH3(CN)]- to [BH3(CN)-BH2(CN)]-; electrochemical preparation of [Fe{BH3(CN)}2(NCCH3)4] Jack F. Kay, John H. Morris and David Reed, pp 1917 DOI:10.1039/DT9800001917

Stereochemistry of [M(bidentate ligand)2(unidentate ligand)]. Crystal structure of iodobis(pyrrolidinyldithiocarbamato)iron(III)-iodine (2/1) David L. Kepert, Colin L. Raston, Allan H. White and Dimitris Petridis, pp 1921 DOI:10.1039/DT9800001921

Crystal structure of tris(NN-diethyldithiocarbamato)iron(IV) pentaiodide Colin L. Raston, Allan H. White, Dimitris Petridis and Donald Taylor, pp 1928 DOI:10.1039/DT9800001928

Crystal structure of bis(isocyanato)(2,2:6,2-terpyridyl)cobalt(II) : stereochemistry of [M(tridentate ligand)(unidentate ligand)2]complexes David L. Kepert, Edward S. Kucharski and Allan H. White, pp 1932 DOI:10.1039/DT9800001932

Aspects of the inorganic chemistry of rubber vulcanisation. Part 1. Reactions of zinc bis(dithiocarbamates) and bis(benzothiazole-2-thiolates) with carboxylates, and the structure of [NBun4][{Zn(S2-CNMe2)2}2(µ-OCOMe)] Jon A. McCleverty, Neil Spencer, Neil A. Bailey and Stephen L. Shackleton, pp 1939 DOI:10.1039/DT9800001939

Aspects of the inorganic chemistry of rubber vulcanisation. Part 2. Anionic mixed-ligand zinc complexes derived from dialkyldithiocarbamates, 2-mercapto-benzothiazole, -benzoxazole, and -benzimidazole, and the crystal and molecular structures of [NEt4][Zn(S2CNMe2)3], [NBun4][Zn(C7H4NS2)3(OH2)], [NBun4][Zn(S2CNMe2)2(C7H4NS2)]C2H5OH, and [NBun4][Zn(S2CNMe2)(C7H4NS2)2] Jon A. McCleverty, Norman J. Morrison, Neil Spencer, Christopher C. Ashworth, Neil A. Bailey, Martin R. Johnson, John M. A. Smith, Barbara A. Tabbiner and Christine R. Taylor, pp 1945 DOI:10.1039/DT9800001945

Reactions of trans-[PtClH(PPh3)2] with -hydroxyacetylenes Anita Furlani, Silvia Licoccia, Maria V. Russo and Carlo Guastini, pp 1958 DOI:10.1039/DT9800001958

A new synthetic method for the preparation of cyclo-olefin ruthenium complexes Paolo Pertici, Giovanni Vitulli, Maurizio Paci and Lido Porri, pp 1961 DOI:10.1039/DT9800001961

Bis adducts of phthalocyaninatoiron(II) with Group 6 axial donor atoms. Crystal and molecular structure of sulphur-bonded bis(dimethyl sulphoxide)phthalocyaninatoiron(II)-dimethyl sulphoxide (1/2) Fausto Calderazzo, Guido Pampaloni, Dario Vitali, Ines Collamati, Giulia Dessy and Vincenzo Fares, pp 1965 DOI:10.1039/DT9800001965

Investigation into aroylhydrazones as chelating agents. Synthesis and structural characterization of a tin(IV) complex with 2,6-diacetylpyridine bis(salicyloylhydrazone) Corrado Pelizzi and Giancarlo Pelizzi, pp 1970 DOI:10.1039/DT9800001970

Co-ordination chemistry of (8-methyl-2-quinolylmethyl)di-t-butyl-phosphine (mqp) with palladium, rhodium, iridium, and manganese: crystal structure of [PdCl2(mqp)] Antony J. Deeming, Ian P. Rothwell, Michael B. Hursthouse and K. M. Abdul Malik, pp 1974 DOI:10.1039/DT9800001974

Molecular dynamics of adducts of organotin(IV) and tin(IV) chlorides with NN-ethylenebis(salicylideneimine) studied by temperature-dependent Mössbauer spectroscopy Renato Barbieri, Arturo Silvestri, Lorenzo Pellerito, Antonio Gennaro, Michele Petrera and Nicola Burriesci, pp 1983 DOI:10.1039/DT9800001983

Preparation of the complexes trans-[PtX2(CO)L] and their isomerisation to cis isomers Gordon K. Anderson and Ronald J. Cross, pp 1988 DOI:10.1039/DT9800001988

Transition-metal-carbon bonds. Part 45. Attempts to cyclopalladate some aliphatic oximes, NN-dimethylhydrazones, ketazines, and oxime O-allyl ethers. Crystal structures of [Pd2{CH2C(CH3)2C(NOH)CH3}2Cl2] and [Pd{CH2C(NNMe2)C(CH3)3}(acac)] Anthony G. Constable, Walter S. McDonald, Lynne C. Sawkins and Bernard L. Shaw, pp 1992 DOI:10.1039/DT9800001992

Preparation of the solvated iron(II) cation in acetonitrile using high oxidation-state fluorides and its reaction with trimethyl phosphite Christopher J. Barbour, James H. Cameron and John M. Winfield, pp 2001 DOI:10.1039/DT9800002001

Crystal and molecular structure of molybdenum tetrachloride oxide by neutron and X-ray diffraction John C. Taylor and A. Bruce Waugh, pp 2006 DOI:10.1039/DT9800002006

Preparation, properties, and crystal structures of the monochlorotris[bis(trimethylsilyl)amido]-compounds of titanium, zirconium, and hafnium Claudio Airoldi, Donald C. Bradley, Halina Chudzynska, Michael B. Hursthouse, K. M. Abdul Malik and Paul R. Raithby, pp 2010 DOI:10.1039/DT9800002010

Vibrational spectroscopic study of trimethylarsine-boron trihalide adducts Yoshitaka Gushikem and Fumio Watari, pp 2016 DOI:10.1039/DT9800002016

The synthesis, properties, and the crystal and molecular structures of five-co-ordinate copper(I) and silver(I) complexes of a quinquedentate macrocyclic ligand having an N3S2 donor set Michael G. B. Drew, Colin Cairns, Stephen G. McFall and S. Martin Nelson, pp 2020 DOI:10.1039/DT9800002020

Solutions of HBr in sulpholane John Emsley, Victor Gold and M. Jamil B. Jais, pp 2028 DOI:10.1039/DT9800002028

Transition-metal binding sites and ligand parameters Joseph Chatt, C. T. Kan, G. Jeffery Leigh, Christopher J. Pickett and David R. Stanley, pp 2032 DOI:10.1039/DT9800002032

Notes. Malonato(ethylenediamine) complexes of chromium(III): the structure of di-µ-hydroxo-bis[(ethylenediamine)malonatochromium(III)] James W. Lethbridge, pp 2039 DOI:10.1039/DT9800002039

Hexaisothiocyanates of vanadium(II) Leslie F. Larkworthy and B. Joly Tucker, pp 2042 DOI:10.1039/DT9800002042

Kinetics of the displacement of chloride in 5-substituted-1,10-phenanthrolinedichloropalladium(II) complexes Matteo Cusumano, Giovanni Guglielmo and Vittorio Ricevuto, pp 2044 DOI:10.1039/DT9800002044

Hydration, hydrolysis, and dissociation of a nickel(II) bromide-quinoline complex Geoffrey P. McQuillan, pp 2046 DOI:10.1039/DT9800002046

Preparation and nuclear magnetic resonance spectra of aminodifluorophosphorane David W. H. Rankin and John G. Wright, pp 2049 DOI:10.1039/DT9800002049

The crystal structure of potassium trioxalatogermanate(IV) monohydrate Norman Jorgensen and Timothy J. R. Weakley, pp 2051 DOI:10.1039/DT9800002051

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX027

Issue 11

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX029

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP033

Transition-metal-diene complexes. Part 3. Isomerization of methyl-substituted acyclic and cyclic 1,3- and 1,4-dienes co-ordinated to rhodium(I) Michael Arthurs, Catriona M. Regan and S. Martin Nelson, pp 2053 DOI:10.1039/DT9800002053

Deprotonation reactions by transition-metal peroxo-complexes. Synthesis of aroylhydrazido- and aroylhydroxylamido-complexes of palladium and platinum and the crystal and molecular structures of [Pt(PPh3)2{NHNC(O)C6H4NO2-p}] and [Pt(PPh3)2{ONC(O)C6H5}] Pier Luigi Bellon, Sergio Cenini, Francesco Demartin, Mario Manassero, Maddalena Pizzotti and Francesca Porta, pp 2060 DOI:10.1039/DT9800002060

Reactions of trimethylsilylated silicate anions in acidic medium. Part 1. Effect of Amberlyst 15 cation-exchange resin on the products of trimethylsilylation of hexameric ring silicates Gabriella Garzó, Anna Vargha, Tamás Székely and Dagobert Hoebbel, pp 2068 DOI:10.1039/DT9800002068

Some transition-metal complexes derived from the ligand [Ph3CS(CH2)2NHCH2]2CH2 and the crystal structure of [Pd{S(CH2)2NH(CH2)3NH(CH2)2SNi}2]2+ Michael G. B. Drew, David A. Rice and Keith M. Richards, pp 2075 DOI:10.1039/DT9800002075

Synthesis and physicochemical characteristics of alkane (or arene)-thio-, -sulphinato-, and -sulphonato-indium(III) porphyrins. Crystal structure of methanesulphonato(5,10,15,20-tetraphenylporphyrinato)indium(III) Panayotis Cocolios, Pierre Fournari, Roger Guilard, Claude Lecomte, Jean Protas and Jean C. Boubel, pp 2081 DOI:10.1039/DT9800002081

Structures of the complexes of CdCl2 with the aliphatic triamines bis(2-aminoethyl)amine, bis(3-aminopropyl)amine, and 2-aminoethyl-(3-aminopropyl)amine: influence of aliphatic chain length on molecular association Mario Cannas, Giaime Marongiu and Giuseppe Saba, pp 2090 DOI:10.1039/DT9800002090

Synthesis of platinum complexes of 2-methyl-2,4,6-tris(trifluoromethyl)pyran. X-Ray crystal structure of (cyclo-octa-1,5-diene)[2-methyl-2,4,6-tris(trifluoromethyl)pyran]platinum Aristides Christofides, Judith A. K. Howard, Jennifer A. Rattue, John L. Spencer and F. Gordon A. Stone, pp 2095 DOI:10.1039/DT9800002095

Equilibria in complexes of N-heterocyclic molecules. Part 30. Reaction of 5-nitro-1,10-phenanthroline with aqueous bases R. D. Gillard, Roy P. Houghton and John N. Tucker, pp 2102 DOI:10.1039/DT9800002102

Alkyl and acyl derivatives of nickel(II) containing tertiary phosphine ligands Ernesto Carmona, Francisco González, Manuel L. Poveda, Jerry L. Atwood and Robin D. Rogers, pp 2108 DOI:10.1039/DT9800002108

Chemistry of structurally developed macrocycles. Part 1. Complexation properties of NNNN-tetra(2-cyanoethyl)-1,4,8,11-tetra-azacyclotetradecane with nickel(II) Kevin P. Wainwright, pp 2117 DOI:10.1039/DT9800002117

Magnetic properties and superexchange in single chloride-bridged copper(II) chain compounds William E. Estes, William E. Hatfield, Johannes A. C. van Ooijen and Jan Reedijk, pp 2121 DOI:10.1039/DT9800002121

Formation of a chromium-bearing ferrite, Cr0.42Fe2.56O4.00, in aqueous suspension by nitrate oxidation Yutaka Tamaura, Usman Rasyid and Takashi Katsura, pp 2125 DOI:10.1039/DT9800002125

Reactions of 1-3--allyl-manganese and -rhenium tetracarbonyls with phosphines, phosphites, and triphenylarsine. The crystal and molecular structure of 1-3--allyldicarbonylbis(trimethyl phosphite)manganese(I) Brian J. Brisdon, Dennis A. Edwards, James W. White and Michael G. B. Drew, pp 2129 DOI:10.1039/DT9800002129

Mixed-ligand complex formation by copper(II) with imidazole derivatives and dipeptides in aqueous solution Madhavan Sivasankaran Nair, Muchi Santappa and Paramasivam Natarajan, pp 2138 DOI:10.1039/DT9800002138

Kinetics of the oxidation of 2-hydroxy-2-methylpropanoic acid by aquavanadium(V) ions in aqueous perchlorate media Abdul Fattah M. Nazer and Cecil F. Wells, pp 2143 DOI:10.1039/DT9800002143

Electron relaxation rates of lanthanide aquo-cations Basim M. Alsaadi, Francis J. C. Rossotti and Robert J. P. Williams, pp 2147 DOI:10.1039/DT9800002147

Hydration of complexone complexes of lanthanide cations Basin M. Alsaadi, Francis J. C. Rossotti and Robert J. P. Williams, pp 2151 DOI:10.1039/DT9800002151

Mono- and bis--cyclopentadienyl derivatives of niobium and tantalum: improved synthetic routes via trialkyl(cyclopentadienyl)tin reagents Mark J. Bunker, Andre De Cian, Malcolm L. H. Green, Joel J. E. Moreau and Nauzer Siganporia, pp 2155 DOI:10.1039/DT9800002155

Synthesis and reactivity of the paramagnetic nitrosyl complexes [M(NO)(NCMe)5]2+(M = Cr or Mo), and the crystal structures of [Cr(NO)(S2CNEt2)3] and [CrF(NO)(dppe)2] Sara Clamp, Neil G. Connelly, Graham E. Taylor and Thomas S. Louttit, pp 2162 DOI:10.1039/DT9800002162

Alkyne complexes of platinum. Part 3. The synthesis and crystal structure of bis(diphenylacetylene)platinum, and studies on related compounds Neil M. Boag, Michael Green, David M. Grove, Judith A. K. Howard, John L. Spencer and F. Gordon A. Stone, pp 2170 DOI:10.1039/DT9800002170

Alkyne complexes of platinum. Part 4. Stepwise formation of di- and tri-platinum complexes with bridging alkyne ligands; crystal structure of [Pt3{µ-(2-PhC2Ph)}2(PEt3)4] Neil M. Boag, Michael Green, Judith A. K. Howard, John L. Spencer, Robert F. D. Stansfield, Martyn D. O. Thomas, F. Gordon A. Stone and Peter Woodward, pp 2182 DOI:10.1039/DT9800002182

Complexes of lanthanide ions with the crown ether 1,4,7,10,13,16-hexaoxacyclo-octadecane J. D. Julius Backer-Dirks, James E. Cooke, Anita M. R. Galas, Joginder S. Ghotra, Colin J. Gray, F. Alan Hart and Michael B. Hursthouse, pp 2191 DOI:10.1039/DT9800002191

Crystal structure, and the infrared and Raman spectra, of potassium, hydroxylamine-N,O-disulphonate, K2[O3SONHSO3]. The infrared and Raman spectra of potassium hydroxylaminetrisulphonate sesquihydrate, K3[O3SON(SO3)2]·1.5H2O John R. Hall, Robert A. Johnson, Colin H. L. Kennard, Graham Smith, Brian W. Skelton and Allan H. White, pp 2199 DOI:10.1039/DT9800002199

Nuclear magnetic resonance investigations of configurational nonrigidity in dinuclear platinum(IV) complexes. Part 1. Ring reversal, pyramidal inversion, and novel fluxional rearrangements in [(PtXMe3)2(MeECHREMe)](E = S or Se) complexes Edward W. Abel, A. Rauf Khan, Kenneth Kite, Keith G. Orrell and Vladimir ik, pp 2208 DOI:10.1039/DT9800002208

Nuclear magnetic resonance investigations of configurational nonrigidity in dinuclear platinum(IV) complexes. Part 2. Pyramidal inversion and novel fluxional rearrangements in [(PtXMe3)2(MeEEMe)](E = S or Se) complexes Edward W. Abel, A. Rauf Khan, Kenneth Kite, Keith G. Orrell and Vladimir ik, pp 2220 DOI:10.1039/DT9800002220

Resonance Raman spectra of the polynuclear complexes ruthenium red, ruthenium brown, and the related 1,2-diaminoethane substituted complexes Jeremy R. Campbell, Robin J. H. Clark, William P. Griffith and Jonathan P. Hall, pp 2228 DOI:10.1039/DT9800002228

Kinetics and mechanism of diene exchange at six-co-ordinate chromium Denis T. Dixon, Philip M. Burkinshaw and James A. S. Howell, pp 2237 DOI:10.1039/DT9800002237

Antimony-121 Mössbauer investigations of tin-antimony oxides Frank J. Berry, Paul E. Holbourn and Frank W. D. Woodhams, pp 2241 DOI:10.1039/DT9800002241

Hard ligands as donors to soft metals. Part 3. Cationic bis(solvent) complexes of palladium(II); cations for catalysis Julian A. Davies, Frank R. Hartley and Stephen G. Murray, pp 2246 DOI:10.1039/DT9800002246

Kinetics of orthoperiodate dimerisation studied by temperature-jump spectrophotometry Kenneth Kustin and Reuben H. Simoyi, pp 2250 DOI:10.1039/DT9800002250

Mercury(II)- and nitrosyl-induced aquation of anionopenta-aminecobalt-(III) species. Reactions of the t-[Co{N(CH2CH2NH2)3}(NH3)X]2+ ions (X = Cl- or N3-) and the importance of ion pairs David A. Buckingham, Charles R. Clark and Wayne S. Webley, pp 2255 DOI:10.1039/DT9800002255

The chemistry of vitamin B12. Part 17. The effect of steric distortion of the cobalt-carbon bond on the pK values and spectra of organocobalamins Susan M. Chemaly and John M. Pratt, pp 2259 DOI:10.1039/DT9800002259

The chemistry of vitamin B12. Part 18. Nature of the equilibria exhibited by organocobalamins Susan M. Chemaly and John M. Pratt, pp 2267 DOI:10.1039/DT9800002267

The chemistry of vitamin B12. Part 19. Labilisation of the cobalt-carbon bond in organocobalamins by steric distortions; neopentyl-cobalamin as a model for labilisation of the vitamin B12 coenzymes Susan M. Chemaly and John M. Pratt, pp 2274 DOI:10.1039/DT9800002274

Transition-metal-carbon bonds. Part 46. Cyclopalladation and cycloplatination of N-alkyl-N-nitrosoanilines Anthony G. Constable, Walter S. McDonald and Bernard L. Shaw, pp 2282 DOI:10.1039/DT9800002282

Electroanalytical investigation on ligand-disproportionation and -exchange equilibria in nickel(II) and nickel(I) halide phosphine complexes in acetonitrile Gino Bontempelli, Franco Magno, Maria De Nobili and Gilberto Schiavon, pp 2288 DOI:10.1039/DT9800002288

Preparation and structure of azidopentafluorotungsten(VI) John Fawcett, Raymond D. Peacock and David R. Russell, pp 2294 DOI:10.1039/DT9800002294

Notes. Salt effects on the kinetics of substitution of the pentacyano(pyrrolidine)ferrate(II) ion Graciela C. Pedrosa, Norma L. Hernández, Néstor E. Katz and Miguel Katz, pp 2297 DOI:10.1039/DT9800002297

Crystal structure of vanadyl phthalocyanine, phase II Ronald F. Ziolo, Clifford H. Griffiths and Jan M. Troup, pp 2300 DOI:10.1039/DT9800002300

Crystal and molecular structure of bis(NN-dimethylformamidine) disulphide hexachlorotellurate Umberto Russo, Giovanni Valle and Sandro Calogero, pp 2303 DOI:10.1039/DT9800002303

Bonding and structure of diphenyltellurium(IV) difluoride Frank J. Berry and Anthony J. Edwards, pp 2306 DOI:10.1039/DT9800002306

Preparation of the sixteen-atom ring chelates trans-[M2Cl4{ButS(CH2)5 SBut}2], M = Pd or Pt: crystal structure of trans-[Pd2Cl4{ButS(CH2)5SBut}2] John Errington, Walter S. McDonald and Bernard L. Shaw, pp 2309 DOI:10.1039/DT9800002309

Cyclopalladation of C6H4(CH2SBut)2-1,3 and the crystal structure of [PdCl{C6H3(CH2SBut)2-2,6}] John Errington, Walter S. McDonald and Bernard L. Shaw, pp 2312 DOI:10.1039/DT9800002312

Synthesis and crystal structure of bis[-tricarbonyl(5-cyclopentadienyl)manganese]di-5-cyclopentadienyltitanium Romeu J. Daroda, Geoffrey Wilkinson, Michael B. Hursthouse, K. M. Abdul Malik and Mark Thornton-Pett, pp 2315 DOI:10.1039/DT9800002315

Letters Paul S. Braterman, Alison E. Leslie, Brian S. Walker, G. R. Newkome, D. K. Kohli and F. Fronczek, pp 2318 DOI:10.1039/DT9800002318

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX031

Issue 12

Front cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FX033

Contents pages J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000FP039

Study of ligand isomeric complexes of N-furfurylsalicylaldimine Urmila A. Bhagwat, Vasudha A. Mukhedkar and Anant J. Mukhedkar, pp 2319 DOI:10.1039/DT9800002319

Photochemistry of pentacarbonylmethylmanganese and acetylpenta-carbonylmanganese in frozen gas matrices at 12 K. Infrared spectroscopic evidence for the formation of methyl- and acetyl-tetracarbonyl-manganese species Terence M. McHugh and Antony J. Rest, pp 2323 DOI:10.1039/DT9800002323

Spin density and bonding in the CoCl42- ion in Cs3CoCl5. Part 1. Magnetic structure factors from polarised neutron diffraction Brian N. Figgis, Philip A. Reynolds, Geoffrey A. Williams, Ronald Mason, Andrew R. P. Smith and Jose N. Varghese, pp 2333 DOI:10.1039/DT9800002333

Spin density and bonding in the CoCl42- ion in Cs3CoCl5. Part 2. Valence electron distribution in the CoCl42- ion Brian N. Figgis, Philip A. Reynolds and Geoffrey A. Williams, pp 2339 DOI:10.1039/DT9800002339

Spin density and bonding in the CrF63- ion in K2Na[CrF6] Brian N. Figgis, Philip A. Reynolds and Geoffrey A. Williams, pp 2348 DOI:10.1039/DT9800002348

Synthesis and proton magnetic resonance properties of Fe3Ms4(M = Mo or W) cubane-like cluster dimers George Christou and C. David Garner, pp 2354 DOI:10.1039/DT9800002354

Mössbauer and electrochemical studies on Fe3MoS4 and Fe3WS4 cubane-like cluster dimers George Christou, C. David Garner, Richard M. Miller, Charles E. Johnson and James D. Rush, pp 2363 DOI:10.1039/DT9800002363

Circularly polarized luminescence studies of the optical activity induced in the europium(III) chelate of 4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionate through adduct formation with cinchona alkaloids Harry G. Brittain, pp 2369 DOI:10.1039/DT9800002369

Histamine as a ligand in blood plasma. Part 3. Potentiometric study and simulated distribution of the zinc-histamine ternary complexes with cysteinate, histidinate, glutaminate, threoninate, and citrate Aycil Kayali and Guy Berthon, pp 2374 DOI:10.1039/DT9800002374

Nitrato-complexes of iridium. Part 2. M2[Ir(NO3)6](M = K, Rb, or Cs) Brian Harrison, Norman Logan and Arlo D. Harris, pp 2382 DOI:10.1039/DT9800002382

Kinetics of base hydrolysis of -amino-acid esters in mixed-ligand complexes with [glycylglycinato(2-)] copper(II) Robert W. Hay and Pradyot Banerjee, pp 2385 DOI:10.1039/DT9800002385

Electron spin resonance studies of axial ligation to cobalt(II) complexes. Part 1. Some oxo-, thio-, and seleno-Schiff bases Gérard Labauze and J. Barrie Raynor, pp 2388 DOI:10.1039/DT9800002388

A non-empirical appraisal of the angular-overlap model for transition-metal complexes Jonathan Tennyson and John N. Murell, pp 2395 DOI:10.1039/DT9800002395

Vibrational and chlorine-35 nuclear quadrupole resonance spectra of some complexes of ICl4- and AuCl4-. Part 1. Two crystal modifications of trichlorosulphonium tetrachloroiodate, [SCl3][ICl4] Arthur Finch, Peter N. Gates, Terence H. Page, Keith B. Dillon and Thomas C. Waddington, pp 2401 DOI:10.1039/DT9800002401

Kinetics of solvolysis of the trans-dichlorotetrapyridinecobalt(III) ion in water and in water + methanol Christine N. Elgy and Cecil F. Wells, pp 2405 DOI:10.1039/DT9800002405

Studies on transition-metal nitrido- and oxo-complexes. Part 6. Nitrido-bridged complexes of osmium and ruthenium Jonathan P. Hall and William P. Griffith, pp 2410 DOI:10.1039/DT9800002410

Solution calorimetry of nitrosonium salts Arthur Finch, Peter N. Gates and Terence H. Page, pp 2415 DOI:10.1039/DT9800002415

Preparation, mechanism of formation, structure, and reactions of -allyl complexes of ruthenium(II) Christopher F. J. Barnard, J. Anthony Daniels, Philip R. Holland and Roger J. Mawby, pp 2418 DOI:10.1039/DT9800002418

Proton ENDOR and TRIPLE resonance spectra of a frozen solution of (1-8--cyclo-octatetraene)(1-5--cyclopentadienyl)titanium Gérard Labauze, J. Barrie Raynor and Edmond Samuel, pp 2425 DOI:10.1039/DT9800002425

Bulky alkyls, amides, and aryloxides of main Group 5 elements. Part 1. Persistent phosphinyl and arsinyl radicals ·MRR and their chloroprecursors MRRCl and related compounds Michael J. S. Gynane, Andrew Hudson, Michael F. Lappert, Philip P. Power and Harold Goldwhite, pp 2428 DOI:10.1039/DT9800002428

Platinum(II) and palladium(II) complexes of some chelating poly-fluoroalkyldithioethanes Ronald J. Cross, David S. Rycroft, David W. A. Sharp and Hugo Torrens, pp 2434 DOI:10.1039/DT9800002434

Kinetics of peroxodisulphate oxidation of low-spin iron(II) complexes in binary aqueous mixtures Michael J. Blandamer, John Burgess, Philip P. Duce and Robert I. Haines, pp 2442 DOI:10.1039/DT9800002442

Kinetics and mechanism of displacement of zinc(II) by copper (II) in complexes of saturated macrocyclic tetra-amines Mutsuo Kodama and Eiichi Kimura, pp 2447 DOI:10.1039/DT9800002447

Kinetics and mechanism of the hydrolysis of -amino-acid esters in mixed-ligand complexes with copper(II) ethylenediaminemonoacetate Robert W. Hay and Pradyot Banerjee, pp 2452 DOI:10.1039/DT9800002452

Kinetics and thermodynamics of fast square-planar-octahedral inter-conversion. Part 3. The reaction of [biacetyl bis--hydroxybenzyl-idenehydrazone(2-)-N1N1OO] nickel(II) with bidentate heterocyclic amines in chlorobenzene Matteo Cusumano, pp 2456 DOI:10.1039/DT9800002456

Metal-phenoxyalkanoic acid interactions. Part 2. Crystal and molecular structures of diaquabis(phenoxyacetato)manganese(II), diaquabis(p-chlorophenoxyacetato) manganese(II), diaquabis (phenoxyacetato) cobalt(II), diaquabis(p-chlorophenoxyacetato)cobalt(II), diaquabis(phenoxyacetato)magnesium(II), and diaquabis(p-chlorophenoxyacetato)magnesium(II) Graham Smith, Eric. J. O'Reilly and Colin H. L. Kennard, pp 2462 DOI:10.1039/DT9800002462

Improved syntheses of tetrachloro-oxorhenium(VI) and chlorotrioxo-rhenium(VII). Synthesis of alkoxo- and dialkylamido-rhenium com-pounds. The crystal and molecular structures of di-µ-methoxo-tetramethoxo-µ-oxo-dioxodirhenium(VI)(Re-Re), bis[lithium pentaiso-propoxo-oxorhenate(VI)-lithiumchloride-tetrahydrofuran(1/1/2)], and trans-tetraphenoxobis(trimethylphosphine)rhenium(IV) Peter G. Edwards, Geoffrey Wilkinson, Michael B. Hursthouse and K. M. Abdul Malik, pp 2467 DOI:10.1039/DT9800002467

Single-crystal electron spin resonance studies of gadolinium trisilyl-amide and sodium gadolinium dipicolinate (pyridine-2,6-dicarboxylate) Dhruvendar S. Katoch and Keith D. Sales, pp 2476 DOI:10.1039/DT9800002476

Trimethylphosphine hydrido- and hydroxo-complexes of ruthenium. Multinuclear magnetic resonance studies on µ-hydrido-µ-hydroxo-hexakis(trimethylphosphine) diruthenium(I). Crystal structures of di-µ-hydrido-dihydridohexakis(trimethylphosphine)diruthenium(II) and tri-µ-hydrido-hexakis(trimethylphosphine)diruthenium(II) tetrafluoroborate Richard A. Jones, Geoffrey Wilkinson, Ian J. Colquohoun, William McFarlane, Anita M. R. Galas and Michael B. Hursthouse, pp 2480 DOI:10.1039/DT9800002480

Mass spectrometry of compounds of the type [Fe(CO)2(-C5H5)R](R = alkyl) John A. Stone, David E. Laycock, Margaret Lin and Michael C. Baird, pp 2488 DOI:10.1039/DT9800002488

Complexes of organoaluminium compounds. Part 11. Nitric oxide complexes of trimethyl-aluminium and -gallium and the crystal and molecular structure of [Me3Al(ONNMeO)AlMe2] Saeid Amirkhalili, Peter B. Hitchcock, J. David Smith and John G. Stamper, pp 2493 DOI:10.1039/DT9800002493

Electronic and resonance-Raman spectra of the linear-chain mixed-valence platinum complexes {[Pt(en)2][Pt(en)2X2]}3[CuX4]4[X = Cl (1) or Br (2)] and [Pt(pn)2][Pt(pn) Br2][Cu3Br5]2(3)(en = ethane-1,2-diamine and pn = propane-1,2-diamine) Robin J. H. Clark, Mohamedally Kurmoo, Heimo J. Keller, Bernt Keppler and Ulrich Traeger, pp 2498 DOI:10.1039/DT9800002498

Bivalent metal complexes of 1,11-diamino-3,6,9-trithiaundecane and the crystal structures of adducts with nickel(II) and copper(II) bromides Michael G. B. Drew, David A. Rice and Keith M. Richards, pp 2503 DOI:10.1039/DT9800002503

Indirect location of hydride ligands in metal cluster complexes A. Guy Orpen, pp 2509 DOI:10.1039/DT9800002509

A physico-chemical study of the copper(II) chelates of 3-hydroxyphenylrhodanine. Its mixed-ligand chelate formation and conversion into a copper(II) dithiocarbamate chelate Selwyn Tirant and Thomas D. Smith, pp 2517 DOI:10.1039/DT9800002517

Phosphaferrocenes as phosphorus ligands. Crystal and molecular structure of tetracarbonyl(3,4-dimethylphosphaferrocene-P)iron Jean Fischer, André Mitschler, Louis Richard and Francois Mathey, pp 2522 DOI:10.1039/DT9800002522

Alkali-metal peroxocarbonates, M2[CO3]·nH2O2, M2[C2O6], M[HCO4]·nH2O, and Li2[CO4]·H2O D. Philip Jones and William P. Griffith, pp 2526 DOI:10.1039/DT9800002526

Notes. The contribution of iron(II) reduction alongside proton-induced decomposition in the reactions of two µ-hydroxoy-µ-peroxo-dicobalt(III) complexes Najat Al-Shatti, Miguel Ferrer and A. Geoffrey Sykes, pp 2533 DOI:10.1039/DT9800002533

Complexation of the macrocyclic hexa-amine ligand 1,4,7,10,13,16-hexa-azacyclo-octadecane(18-azacrown-6) Mutsuo Kodama, Eiichi Kimura and Sachiko Yamaguchi, pp 2536 DOI:10.1039/DT9800002536

Back cover J. Chem. Soc., Dalton Trans. DOI:10.1039/DT98000BX035