OLY PROD. OOOO OBO INPRI OOOO . Ex List of Contents and Author Index for Volume 10, 1991 ®) PERGAMON PRESS OXFORD -: NEW YORK - SEOUL - TOKYO OLY HEDRON PRB HO PAM Qe MELLPE P25eae. a The International Journal for Inorganic and Organometallic Chemistry Editor-in Chief M B Hursthouse, Queen Mary and Westfield College, Sir Geoffrey Wilkinson, /mperial College of Science and University of London Technolog, A Ludi, University of Berne T J Marks, Northwestern University Illinois Executive Editors S F Mason, King’s College, University of London Rest of the World F Mathey, Equipe CNRS-SNPE D C Bradley, Queen Mary and Westfield College, University of W McFarlane, University of Newcastle upon Tyne London, Mile End Road, London El 4NS, U.K J A Osborn, Université Louis Pasteur Fax: (081) 983 0625 R J Puddephatt, University of Western Ontario R Schmutzler, /nstitut fiir Anorganische und Analytische U.S.A. and Canada Chemie der Technischen Universitat, Braunschweig M H Chisholm, Department of Chemistry Indiana University F G A Stone, Baylor University Bloomington, IN 47405, U.S.A P Stoppioni, Universita Degli Studi di Firenze Fax: (812) 855 7148 A G Sykes, University of Newcastle upon Tyne K Vrieze, Universi’ it van Amsterdam Editorial Board K Wade, University of Durham E W Abel, University of Exeter A Yamamoto, Waseda Universit) R D Adams, University of South Carolina F A Cotton, Texas A & M University Polyhedron Reports and Polyhedron Symposia-in-Print D Coucouvanis, University of Michigan Editors: A H Cowley, University of Texas at Austin M H Chisholm, /ndiana University 1 G Dance, University of New South Wales E C Constable, University of Cambridge W J Evans, University of California at Irvine R D Gillard, University of Wales, Cardiff M LH Green, University of Oxford Production Editor N N Greenwood, University of Leeds J K Stoddard, Pergamon Press pl , Headington Hill Hall, W A Herrmann, Technische Universitat Miinchen Oxford OX3 OBW, U.K R H Holm, Harvard University Fax: (0865) 743948 Publishing, Subscription and Advertising Offices: Pergamon Press reproduce and distribute the article, including reprints, photographic reproductions, plc, Headington Hill Hall, Oxford OX3 OBW, U.K.; or microform or any other reproduction of similar nature and translations. 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Specific written permission must be pItu bisl ias choendd itainodn owfi llp ubnloitc atbieo n sithmautl tmaanneuosucsrliyp tss usbumbimtittetde d ort o tphuibs lijsouhrenda l ehlasevweh enroet. beeBny obtained from the publisher for such copying submitting a manuscript, the authors agree that the copyright for their article is The ltem-Fee Code for this publication is: 0277-5387/91 $3.00+ .00 transferred to the publisher if and when the article is accepted for publication. However, «=e The paper used in this publication meets the minimum requirements of the assignment of the copyright is not required from authors who work for organizations American National Standard for Information Sciences—Permanence of Paper for which do not permit such assignment. The copyright covers the exclusive rights to Printed Library Materials, ANSI Z39.48- 1984 CONTENTS NUMBER I Contributors to this issue Deposition ofc rystallographic data M. Akita, H. Yasuda, H.Y amamoto Template synthesis of substituted cyclopentanones by and A. Nakamura zirconocene/olefin/CO systems R. Ludwig, S. Fischer, R. Dreyer, Complex formation equilibria between astatine(I) and sulphur- R. Jacobi and J. Beger containing chelating ligands -~ U. Heinzel and R. Mattes Binding of the late transition metal ions to the mixed N.S donor macrocyclic ligand 1-thia-4,7-diazacyclononane (=L'). X-ray crystal structures of ([Pt'Y(L')Br,}Br, Cl, -2H,O, [Au'(L')CL][AuCl,] and [Ag,(L'),(CF,SO,), ‘ Zhongzhi Wu and Zhongwen Ye Synthesis and thermal stability of mixed-ligand lanthanide organometallics involving both cyclopentadienyl and o- nitrophenolato or a-nitroso-f-naphtholato ligands R. N. Mohanty, V. Chakravortty Acceptor behaviour of a Mo“'O, (ONO) complex with imidazole and K. C. Dash ligands Zhongyuan Zhou, Keibe Yu, Preparation and X-ray crystal structure of deprotonated S- Shaohua Gou, Xiaozeng You methyl-B-N-(pyridine N-oxide-2-ylmethylidene)dithiocarbaz- and Zheng Xu ate pyridine nickel(II) perchlorate: [Ni(C,H,N,OS,)(C,H.N)}- clo, R. M. Herath Banda, D. Craig, Tetrahedral HgS, and linear HgS, coordination in the crystal I. G. Dance and M. Scudder structure of Na,Hg,S,(H,O), J.N. Mathur Complexation and thermodynamics of the uranyl ion with phosphate A -P.S. Mandair and The chemistry ofs imple ceramic glazes—III. AMASNMR study W.R. McWhinnie of simulated feldspars and their reactions with CaO, SrO, BaO or Li,O on heating to 1300°C C. F. Edwards and W. P. Griffith Hydroxycarboxylato oxo-osmium(VI) complexes M. Watanabe and K. Nakamura The chemical structure and thermal properties of alkali ultraphosphates M.A. A. F. de C. T. Carrondo, The crystal and molecular structure of N,N’-bipyridyl, N- M. T. L. S. Duarte, J. A. L. Silva methoxy iminodiacetate oxovanadium(IV) . J. R. Frausto da Silva D. R. Derringer, K.-Y. Shih, Further studies on the reactivity of complexes oft he type cis-Re,- P. E. Fanwick and R. A. Walton (u-O,CR),X,(u-dppm),. The, structural characterization of cis- Re,(u-O,CCH,),(NCBH,),(u-dppm), and [Re,Cl,(u-dppm),- (1,2-C,H,(CN),),JPF, E. M. Padilla and C. M. Jensen Isolation of a tetrakis(u-thiolato)tripalladium complex: crystal structure of trans-Pd ,(u-SCy),Cl,(PMe,), J.C. Beamish, A. Boardman and Neutral complexes of gallium di-iodide containing Ga—Ga 1. J. Worrall bonds Zong-Ming Liu, Zong-Hui Jiang, X-ray crystal structure of Cu(bipy),(CIO,), Dai-Zheng Liao, Geng-Lin Wang, Xin-Kan Yao and Hung-Gen Wang 1V List of Contents J. Ribas, A. Garcia and Synthesis, characterization and magnetic properties of several M. Monfort copper(II)}-nickel(II) heterodinuclear oxamido complexes N. Shinohara, S. Matsufuji and Photochemistry of the p-hydroxo-p-peroxo-bis{(triethyl- W. Okubo enetetraamine)cobalt(III)] complex in basic aqueous solutions M. C. Barral, R. Jiménez-Aparicio, Reaction of diruthenium(II,II]) acetate with triphenylphosphine E. C. Royer, F. A. Urbanos, A. Monge and C. Ruiz-Valero P. G. Pritchard and P. Thornton Bis(acetato-2,4-pentanedionato)dizinc: reformulation of a zinc carboxylate diketonate complex Communications W. Clegg, N. A. Compton, Anionic, four-coordinate, 10-electron bismuth complexes R. J. Errington, G. A. Fisher, D.C. R. Hockless, N. C. Norman and A. G. Orpen E. C. Constable, J. M. Holmes and Molecular helicity in inorganic complexes: the crystal and P.R. Raithby molecular structure of 2,6-diacetylpyridine bis(6-chloro-2- pyridylhydrazone)silver(I) hexafluorophosphate dimer M. Cano and J. A.C ampo Reactivity of the Mo—Sn bond. Reactions of [MoSnPh,(CO), (n-C.H,)] with HgX, (X=Cl, OCOCF,) NUMBER 2 Contributors to this issue Deposition of crystallographic data Announcement: Polyhedron Reports POLYHEDRON REPORT NUMBER 36 >. U. Koschmieder and G. Wilkinson Homoleptic and related aryls of transition metals T. Gfowiak, E. Huskowska and Preparation and X-ray crystal structure determination of an J. Legendziewicz octahedral polymeric lutetium compound with ciliatine; {Lu(PO .HCH,CH,NH,)(CIO,),-3D,O} A. L. Nivorozhkin, L. E. Nivorozhkin, Molecular and crystal structure of fluxional bis{1-isopropyl-3- V. 1. Minkin, T. G. Takhirov and methyl-4-N-alkyl(aryl)aldiminopyrazole-S-thion]ato nickel(II) O. A. Diachenko complexes [pyr(N-CH,),S,JNi, [pyr(N-Ph),S.JNi, [pyr(N- t-Bu),S,JNi : M. Cano, J. V. Heras, M. A. Lobo, Reactivity of pyridinecarboxylate complexes of rhodium(I) M. Martinez, E. Pinilla, towards Hg(OOCCF, ), and Hg(Ph)(OOCCF, ). Crystal struc- E. Gutierrez and M. A. Monge ture of Rh(C,,H,.NO,(OOCCF ),(H,O)[P(4-CH ,-C.H,),] —IIl M. L. Duran, J. Romero, Electrochemical synthesis of pyridine-2-thionato complexes J. A. Garcia-Vazquez, R. Castro, of zinc(II) and cadmium(II): the crystal structure of 1,10- A. Castinfeiras and A. Sousa phenanthroline-bis( pyridine-2-thionato)zinc(II) B. S. Snyder, M. S. Reynolds, Electronic properties of monocapped prismane and basket R. H. Holm,G . C. Papaefthymiou iron-sulphur clusters and R. B. Frankel J.C. Jeffery, F. G. A. Stone Synthesis of alkylidyne tungsten complexes with hydrotris- and G. K. Williams (pyrazol-l-yl)borate ligands List of Contents V R. T. Streeper and S. Khazaeli Complex formation of rubidium and caesium cations with crown ethers in acetonitrile: a '““Cs competitive NMR study D. M. Baird and K. Y. Shih Trends in 6-+6* energies and _ intensities in bis- (arylimino)isoindoline complexes of dimolybdenum G. Mailhot and M. Bolte Acrylamide polymerization photo-induced by a chromium( VI) copper(II) bicationic system in aqueous solution—I. Study of copper influence on the primary photoprocess H. J. Banbery, W. Huss:i'n, Complexes of rhenium(V) with tridentate ligands having O, N T. A. Hamor, C. J. Jones and P donor atoms. The X-ray crystal structures of and J. A. McCleverty ReOC1[OC,H,-2-CH=N(CH,),PPh,] and its reduced counterpart ReOC! [OC,H,-2-CH,NH(CH,),PPh,] J. J. Cruywagen and J. B. B. Heyns Vanadium(V) equilibria. Spectrophotometric and enthalpi- metric investigation of the dimerization and deprotonation of HVO; H. tom Dieck, G. Fendesak Pallada- and platinacycles—III. Synthesis of 3,4-dialkylidene- and C. Munz platinacyclopentanes and their metallo-ene type reaction with dioxygen. X-ray structure of a 2,3-dioxa-platinacycloheptane (dad}Pt—O—O—C Me, —C eC, —-CisaC Me CH, S. W. Hall, M. J. Pilkington, The preparation and X-ray crystal structure of (PMe),Se, A.M. Z. Slawin. D. J. Williams. and J. D. Woollins J. R. Hinchliffe. A. Ricalton The chemistry of cycloheptatrienyl complexes of molybdenum and M. W. Whiteley and tungsten: ligand substitution via a ring slipped intermediate in cationic carbonylisonitrile derivatives Communication X.-M. Chen and T. C. W. Mak Metal-betaine interactions—VI. Crystal and molecular structure of tetrakis(betaine)copper(I1) nitrate, (Cu(Me,NCH,- COO),)(NO,), Announcements Polyhedron Prize for Creativity in Inorganic Chemistry (Gold Medal plus U.S.$10,000) Annual Polyhedron Publication Award NUMBER 3 Contributors to this issue Deposition of crystallographic data Announcement: Polyhedron Reports POLYHEDRON REPORT NUMBER 37 M. I. Bruce, M. P. Cifuentes Ruthenium clusters containing N-donor ligands and M. G. Humphrey K. M. Prasad, A. N. Tripathy and Molybdenum(II1) complexes with some imidazoles N. M. Thakur O. F. Z. Khan and P. O’Brien Synthesis, characterization, '*Cd NMR and decomposition of some cadmium thiolates vi List of Contents M. L. Ganadu, V. Leoni, An investigation on the interaction between palladium(IIa)nd L- G. Crisponi and V. Nurchi citrulline by 'H and "°C NMR spectroscopy and potentiometry M. H. Chisholm, S. R. Drake, Synthesis and X-ray crystal structures of the one-dimensional A. A. Naiini and W. E. Streib ribbon chains [MOBu'-Bu'OH],, and the cubane species [MOBu'], (M =K and Rb) A. M. Leiva, L. Rivera and Analysis of copper(I) stability in the cationic B. Loeb [Cu(CH,CN), (Ph,P) ]* series of complexes G. Faraglia, Z. Guo and Mercury(II) halide complexes with carbonyl and thiocarbonyl S. Sitran donors D. O. Martire, M. R. Feliz and Kinetics of the redox reaction between Mo,0,* and VO,* in A. L. Capparelli HCIO, medium N. R. S. Kumar, M. Nethaji and Preparation, characterization, spectral and thermal analyses of K. C. Patil (N,H,),MC1,-2H,O(M = Fe, Co, Niand Cu); crystal structure of the iron complex H. Sugaya, J. Tachibana Pyrolytic reactions of azidochromium(III) porphyrins and and T. Imamura azidoiron(II1) porphyrins in the solid state J. R. Duffield, D. R. Williams Speciation studies of the solubility and aqueous solution and I. Kron chemistry of tin(II])- and tin(IV)-pyrophosphate complexes Communication M. L. H. Green, P. Mountford, New cycloheptatriene and cycloheptatrienyl derivatives of P. Scott and V. S. B. Mtetwa niobium Announcements Polyhedron Prize for Creativity in Inorganic Chemistry (Gold Medal plus U.S. $10,000) Annual Polyhedron Publication Award NUMBER 4/5 Contributors to this issue Deposition of crystallographic data I. G. Shterev, G. St. Nikolov, Eight coordination—I. Effect of inter-ligand repulsion on the N. Trendafilova and R. Kirov geometry of eight-coordinate complexes Li Jianmin, Lin Wenbin, X-ray crystal structure and_ spectral study of Zhang Yugeng, Liu Shixiong and [Cu(C,,H,N,)(C,H,COSO,N)}(C,H,COSO,N)-3H,O Huang Jinling G. K. Hollingshed, G. A. Lawrance, Polyamine complexation—lI. Stability constants for metal ion M. Maeder and M. Rossignoli complexation of 5-(4’-amino-2’-azabutane)-5-methyl-3,7-di- azanonane-] ,9-diamine B. W. Arbuckle and W. K. Musker Structures ofp alladium(II) and nickel(II) complexes oft he meso- cyclic diphosphine, cis-1,5-diphenyl-1,5-diphosphacyclooctane H. Loumrhari,J . Res and Ruthenium(II]) alkenyl complexes with sulphur chelated ligands M. R. Torres J. O. Dziegielewski, K. Filipek Oxygenation of nitric oxide in the presence of a nitrosyl-bridged and B. Jezowska-Trzebiatowska complex of molybdenum List of Contents P. K. Baker and D. ap Kendrick Seven-coordinate acetylacetonato, hexafluoroacetylacetonato and benzoylacetylacetonato complexes of molybdenum(II) and tungsten(IT) M.-C. Massiani, R. Papiernik, Molecular precursors of bismuth oxides; B-diketonates and L. G. Hubert-Pfalzgraf and alkoxides. Molecular structure of [Bi (u,,n'-OC,H ,OMe),(n'- J.-C. Daran OC,H,OMe),]_a,n d of Bi(OSiPh,), (THF), R. D. Adams, T. A. Wolfe and Cluster synthesis—X XIX. Synthesis and characterization of new W.Wu sulphur-containing tungsten-ruthenium carbonyl cluster com- plexes M. Jelikié-Stankov, D. MaleSev, Complex compounds of doxycycline with WO,’ and MoO ,” ions D. Veselinovié and Z. Radovié M. C. Azevedo, T. H. Brock, n’-Allyl complexes of tungsten—III. The preparation of (°- P. W. Jolly, A. Rufiriska and C.H,)(n’-C,H,),(n'-C,H.)W and related compounds G. Schroth R. Lai, S. Mabille, A. Croux and Unusual reactivity of isocyanates with dioxo- and S. Le Bot diimidomolybdenum(V1) complexes T. A. George, M. A. Jackson and Reactions of dinitrogen and hydrazido(2-) complexes of B. B. Kaul molybdenum containing a tridentate ligand: the effect of adding reducing agents upon ammonia formation E. J. M. Hamilton and A. J. Welch The synthesis and molecular structure of 3-PPh ,-4-SMe.-3,1,2- closo-CuC,B,H,,: relationship of its structure to those of 10,11- p-H-9-SMe,-7,8-nido-C,B,H,, and 10,11-“-(PPh,Au)-9-SMe,- 7,8-nido-C,B,H,, D. C. Bradley, A. J. Howes, The preparation and properties of some _ tertbutyl- M. B. Hursthouse and imidotungsten(VI) complexes. The X-ray crystal structure of J. D. Runnacles [W(NBu')(OBu'),Cl(NH,Bu')} Rev. M. T. Casey, P. Guinan. Reaction of 1.1’-diacetylferrocene with hydrazine hydrate: syn- A. Canavan, M. MeCann, thesis and X-ray crystal structures of bis(hydrazine)bis(hyd- C. Cardin and N. B. Kelly razinecarboxylato-N .O)iron(II), [Fe(N,H,)(O,CNHNH,),]. and the cyclic biferrocene diazine. [—N(Me)CC.H ,FeC.H,C - (Me)N—], B. K. Das and A. R. Chakravarty The first structurally characterized diruthenium(II 111) complex with four bridging arylcarboxylato ligands M. I. Arriortua, J. Via. Crystal structure and spectroscopic properties of a copper(II) J. 1. R. Larramendi., B. Diaz. complex with a chain arrangement: [Cu(pymep)CI(H ,O)|(PF,) L. Lezama and T. Rojo M. Bassett. D. L. Davies, J. Neild, Metal complexes of functionalized phosphines—1. Synthesis and L. J. S. Prouse and D. R. Russell characterization of 2-diphenylphosphinoethylamines and some of their complexes with platinum. X-ray structure of eae e [Pt(Ph,PCH ,CH,NHBu')(Ph,PCH.CH ,NHBu'HCI)CICI-H,O G. Smith, D. P. Arnold, Tin(IV) porphyrin complexes—IV. Crystal structures of meso- C.H.L. Kennard and tetraphenylporphyrinatotin(IV) complexes with hydroxide, T. C. W. Mak water, benzoate, salicylate and acetylsalicylate as axial ligands Communication M. S. Garcia-Tasende, Potentiometric investigation of the complexation of M. Garcia Bugarin and M. Filella dimethylthallium(II1) by 2-thiobarbiturate in aqueous solution Announcements Polyhedron Prize for Creativity in Inorganic Chemistry (Gold Medal plus U.S. $10,000) Annual Polyhedron Publication Award List of Contents NUMBER 6 Contributors to this issue Deposition of crystallographic data F. Lelj, G. Morelli, G. Ricciardi New copper(II)-tetraazaannulene complexes. Potential building and A. Rosa blocks for mixed valence, conducting, molecular crystals: synthesis, experimental and theoretical characterization A. El-Toukhy Synthesis, demetallation, remetallation and transmetallation of new mono- and binuclear Schiff base complexes A.M. Arif, D. E. Heaton and Synthesis of phosphido-bridged multinuclear complexes via a R. A. Jones mononuclear rhodium(I) compound: X-ray structures of Rh.H(COD) (u-CO).{ u-P(t-Bu),} ,and [Fe(CO) |(u-CO){ u-P(t- Bu),}([Rh(CO); HP(t-Bu) ,}] (COD= 1,5-cyclooctadiene) Guowei Wei, Hangin Liu, Syntheses and stereochemistry of dicobalt(I]) complexes Zhiying Huang, Maochun Hong, [Co,(dppm)(u-SR)(SR),]_ (dppm=Ph,PCH,PPh,; R=C,H.,, Liangren Huang and m-C.H,CH,, p-C,H,CH, and p-C,H,'C,H,) and [Co,(dppe) Beisheng Kang (u-SPh) (SPh)] (dppe = Ph ,PCH ,CH,PPh,) Y. Fuchita, H.M aruyama, Synthesis and characterization of palladium complexes with M. Kawatani and K. Hiraki bis(benzylthio)methane P. O’Brien and C. J. Williamson A study of the interaction of methyl salicylate with smectite clays J. Pedrosa de Jesus, T. M. dos Santos On the circular dichroism of tris(S-alaninato)chromium: and P. O’Brien absolute configurations and evidence for unexpected lability N. R. S. Kumar, I. 1. Mathews Synthesis, spectral and structural studies on (N,H.),MC1,(H,O), and K. C. Patil (M = Pt and Pd); crystal structure of the platinum complex E. Miki, K. Harada, Y. Kamata, Trans-influence of a coordinating nitrosyl group: preparation M. Umehara, K. Mizumachi, and structure of cis-trihalogeno(8-quinolinolato or its I. Ishimori, M. Nakahara, derivative)nitrosy!ruthenate(1—) M. Tanaka and T. Nagai Lai Yoong Goh and S. K. Khoo Isolation of Cp,Cr(CO)Se, from the interaction of Cp,Cr,(CO),Se with molecular oxygen. ESR evidence for para- magnetic intermediates V. Saboonchian, G. Wilkinson, Bis{ 1 ,2-bis(dimethylphosphino)ethane]dichlorotungsten(II) B. Hussain-Bates and and its reactions. X-ray crystal structures of bis{1,2-bis(di- M. B. Hursthouse methylphosphino)ethane]tetrachlorotungsten(V) hexachloro- antimonate(V) and bis{bis{! ,2-bis(dimethylphosphino)ethane]- tetrahydroaluminatohydridomolybdenum(II)} R. J. Blau, M. S. Goetz and Selective protonation of terminally bound #°-allyls on ("’- R.-J. Tsay allyl),(u ,- 7-allyl),dimolybdenum(II) by f-diketones forming (u,-n’-allyl),(n°-p-diketonate),dimolybdenum(I1) complexes C. F. Bell, B. C. Gallagher, Boric acid complexes of phenolic acids K.A.K. Lott, E. L. Short and L Walton L. Spiccia and W. Marty Early stages of the hydrolysis of chromium(III) in aqueous solution—VI. Kinetics of intramolecular interconversion between singly- and doubly-bridged hydrolytic dimers Ruo-Hua Zhang, Qun-Ying Liu Lanthanide perchlorate complexes of bis(phenylsulphinyl)- and Jing-Tang Chen ethane List of Contents IX D.S. Rustad and N. W. Gregory The ultraviolet-visible absorption spectrum of dimeric gold(III) chloride in the gas phase. An equilibrium study of vapours formed by gold-chlorine-water mixtures Communications H.-K. Shin, M. J. Hampden-Smith, Preparation of volatile, monomeric copper(I) B-diketonate E. N. Duesler and T. T. Kodas complexes M. Hashimoto, T. Iwamoto, Preparation and X-ray crystal structure of H. Ichida and Y. Sasaki [N(CH.,),],[{H(SO,)W,O(O,),} ,O] Announcements Polyhedron Prize for Creativity in Inorganic Chemistry (Gold medal plus U.S. $10,000) Annual Polyhedron Publication Award NUMBER 7 Contributors to this issue Deposition of crystallographic data E. H. Cutin and N. E. Katz Mononuclear and binuclear 4-cyanopyridine complexes of bis(2,2’-bipyridine)(pyridine)ruthenium(II) Q. Feng and H. Waki ‘‘P NMR and Raman spectroscopic studies on binding isomerism and isomerization equilibrium of aluminium com- plexes of monomeric phosphorus oxoanions in solution H. Schumann, J. H. Enemark, *Mo NMR investigation on cationic [(C,H.Mo(CO),L,|BF, M. J. Labarre, M. Bruck and complexes (L= group 15 donor ligands) P. Wexler Z. Zhang and W. M. H. Sachtler FTIR study of novel palladium trimethylphosphinecarbonyl clusters encaged in zeolite Y W. Radecka-Paryzek and The template synthesis and characterization of new hexadentate V. Patroniak N,O, acyclic Schiff base complexes of lanthanum, praseodymium and neodymium nitrates H. Strzelecka, R. Vicente, J. Ribas, A new z donor-acceptor compound derived from tetraphenyl- J.-P. Legros, P. Cassoux, P. Petit dithiapyranylidene and bis-(1,3-dithia-2-thione-4,5-dithiolato)- and J.-J. Andre nickelate: crystal structure and EPR study G. Kura Hydrolysis of cyclopenta-, cyclohepta-, linear penta- and heptaphosphate in aqueous solution J. Burgess, S. A. Galema and Volumes ofa ctivation for dissociation oft he cations of[ tris-2,2’- C. D. Hubbard bipyridyljiron(II), [tris-1,10-phenanthroline}iron(I]) and of other diimine iron(II) complexes in aqueous solution P. K. Baker and K. R. Flower The synthesis and spectral properties of the new bis(but-2-yne) and mono(but-2-yne) complexes [W(CO)L(S,CNC,H,)("’- MeC,Me),|[BPh,] and [W(CO)L,(S,CNC,H,)(n’-MeC,Me)}- [BPh,] (where L =imidazole, 2-methylimidazole and 4-methyl- imidazole) S. F. Mapolie and J. R. Moss The synthesis and reactivity of some yu-phthaloyl and p- phenylene complexes x List of Contents S. Delgado, C. Moreno and Carbonyl substitution reactions of cyclopentadienyldicarbonyl M*J. Macazaga cobalt(I) and acetylcyclopentadienyldicarbonyl cobalt(I) with bis(1,3-dimethylimidazolin-2-ylidene). A kinetic and mecha- nistic study B. Srinivas, N. Arulsamy and Catalytic and magnetic properties of a new series of binuclear P. S. Zacharias copper(II) complexes V. Saboonchian, G. Wilkinson, Synthesis and X-ray crystal structure of tetrakis[bis(1,2- B. Hussain-Bates and dimethylphosphino)ethanejdisilver(I)bis(tetraphenylborate) M. B. Hursthouse C. Mertis, N. Psaroudakis, Electrochemical reduction of Re ,Cl, in aqueous acidic solutions. A. Terzis and A. Houndas Isolation and crystal structure characterization of the one- electron reduced product as the tricaesium-,-sulphato- hexachloro-tri-u-chloro-triangulo-trirhenium complex, Cs [Re,Cl,(SO,)] D. P. Buxton and G. B. Deacon Organoamidometallics—IV. Syntheses of N,N’-bis(polyfluoro- phenyl)e1 ,t.2h-daianmiena-to (2—)platinum(II) complexes with two different fluorocarbon groups W. Mazurek. P. J. Nichols and Chromium(VI)-thioester formation in N,N-dimethylform- B. O. West amide M. Mitewa. P. R. Bontchev, A new iron(II) complex with the N,-macrocyclic ligand V. Russanov, E. Zhecheva, hexacyclen with a thermally dependent structure D. Mechandjiev and K. Kabassanov Communication J. M. Boncella, C. J. Coston and The synthesis of bis(hexamethyldisilylamido)barium(II) J. K. Cammack NUMBER 8 Contributors to this issue Deposition of crystallographic data L E Konstantinovskil, Stereodynamical interconversion of bis(N-aryl-«-isopropyl-f- R. Ya. Olekhnovitch, aminovinylthionato)zinc(I1) and -cadmium(II) M.S. Korobov, L E. Nivorozhkin and V. L. Minkin M. Husain, S. S. Bhattacharjee, Synthetic and spectroscopic investigations of some K. B. Singh and R. A. Lal dioxouranium(VI) complexes of multidentate disalicylaldehyde adipoyldihydrazone N. Sharma, B. S. Golen, Synthesis and characterization of aryloxy derivatives of R. K. Mahajan and triorganoarsenic(V) S. C. Chaudhry A. Latif Abuhijleh and I. Y. Ahmed Monomer and dimer complexes of copper(II) acetate with pyridine and picolines—lII. Solution equilibria by spectro- photometric and NMR magnetic measurements C. F. G. C. Geraldes, Platinum creatinine blues: reaction of cis-diamminediaqua- M. Aragon-Salgado and platinum(II) with creatinine studied by '*Pt and '""C NMR J. Martin-Gil M. H. Chisholm, S. R. Drake, The synthesis and characterization of volatile lithium alkoxides A. A. Naiini and W. E. Streib and the single crystal X-ray structure of [LiOCMe,Ph],