QUARTERLY REVIEWS THE CHEMICAL SOCIETY PATRON HER MAJESTY THE QUEEN President J. M. ROBERTSON C.B.E. M.A. D.Sc. F.R.S. Vice-presidents who have filled the office of President H. J. EMEL~~US C.B.E. M.A. D.Sc. SIR CHRISTOPHER INGOLD D.Sc. SIR CYRIL HINSHELWOOD 0. M. M. A. SIR ERIC RIDEAL M.B.E. M.A. D.Sc. E. L. HIRST C.B.E. D.Sc. LL.D. LORD TODD M.A. D.Sc. F.R.S. F.R.S. F.R.I.C. F.R.S. Sc.D. F.R.S. F.R.S. F.R.S. Vice-presidents D. H. R. BARTON D.Sc. Ph.D. E. R. H. JONES D.Sc. F.R.I.C. E. J. BOWEN M.A. D.Sc. F.R.S. J. CHATT M.A. Sc.D. F.R.S. F.R.S. F.R.S. B. LYTHGOE M.A. Ph.D. F.R.S. M. STACEY Ph.D. D.Sc. F.R.S. Honorary Treasurer J. W. BARRETT Ph.D. A.R.C.S. F.R.I.C. Honorary Secretaries J. W. LINNETT M.A. D.Phil. F.R.S. A. W. JOHNSON Sc.D. Ph.D. A.R.C.S. K. W. SYKES M.A. D.Phi1.Ordinary Members of Council G. 0. ASPINALL D.Sc. Ph.D. J. BADDILEY D.Sc. Ph.D. F.R.S. L. J. BELLAMY B.Sc. Ph.D. W. COCKER M.A. D.Sc. F.R.I.C. D. P. CRAIG M.Sc. D.Sc. L. CROMBIE D.Sc. F.R.I.C. F. S. DAINTON M.A. Sc.D. F.R.S. D. H. EVERETT M.B.E. M.A. D.Phi1. G. W. A. FOWLES B.Sc. Ph.D. W. GERRARD D.Sc. Ph.D. F.R.I.C. R. N. HASZELDINE M.A. Sc.D. F.R.I.C. M.R.I.A. F.R.I.C. A. K. HOLLIDAY Ph.D, D.Sc. J. HONEYMAN Ph.D. D.Sc. A. R. KATRITZKY M.A. D.Phil. T. J. KING B.Sc. M.A. D.Phi1. E. A. MOELWYN-HUGHES D.Phil. W. J. ORVILLE-THOMAS Ph.D. D.Sc. H. M. POWELL B.Sc. M.A. F.R.S. R. A. RAPHAEL D.Sc. F.R.I.C. J. C. ROBB D.Sc. Ph.D. A. I. VOGEL M.Sc. D.Sc. F.R.I.C. F.R.I.C. Ph.D. D.Sc. Sc.D. F.R.S. Ex Oficio J. W. COOK D.Sc. F.R.I.C. F.R.S. (Chairman of the Chemical Council) D. H. HEY D.Sc. F.R.I.C.F.R.S. (Chairman of the Publication Committee) E. D. HUGHES D.Sc. F.R.I.C. F.R.S. (Chairman of the Joint Library Committee) General Secretary J. R. RUCK KEENE M.B.E. T.D. M.A. Librarian R. G. GRIFFIN F.L.A. QUARTERLY REVIEWS VOL. XVI 1962 Publication Committee Chairman D. H. HEY D.Sc. F.R.I.C. F.R.S. G. 0. ASPINALL D.Sc. F.R.S.E. G. KOHNSTAM Ph.D. J. W. LINNETT M.A. D.Phil. F.R.S. WESONBAKER M.A. D.Sc. F.R.S. J. F. W. MCOMIE M.A. D.Phil. C. H. BAMFORD M.A. Sc.D. F.R.I.C. J. W. BARRETT Ph.D. A.R.C.S. R. S. Nyholm D.Sc. F.R.I.C. R. P. BELL M.A. F.R.S. L. E. ORGEL M.A. D.Phil. F.R.S. D. M. BROWN Ph.D. L. N. OWEN Ph.D. D.Sc. F.R.I.C. G. M. BURNETT Ph.D. D.Sc. R. A. RAPHAEL D.Sc. F.R.I.C. I. G. M. CAMPBELL B.Sc. Ph.D. G. E. COATES M.A. D.Sc. F.R.I.C. J.M.RoBERTsoN,C.B.E.,M.A.,D.SC.T. COTTRELL B.Sc. D.Sc. F.R.I.C. D. P. CRAIG Ph.D. D.Sc. F.R.I.C. A. G. SHARPE M.A. Ph.D. F.R.I.C. D. F. ELLIOTT Ph.D. A.R.C.S. K. W. SYKES M.A. D.Phi1. J. C. TATLOW B.Sc. Ph.D. F.R.I.C. V. GOLD D.Sc. Ph.D. H. J. V. TYRRELL B.Sc. M.A. R.H.HALL,P~.D.,A.R.C.S.,F.R.I.C. B. C. L. WEEDON D.Sc. A.R.C.S. C. H. HASSALL M.Sc. Ph.D. F.R.I.C. A. W. JOHNSON Sc.D. Ph.D. D. H. WHIFFEN M.A. D.Phi1. M. C. WHITING M.A. PhD. A.R.C.S. C. KEMBALL M.A. Ph.D. F.R.I.C. W. W1qPh.D. J. A. KITCHENER D.Sc. Ph.D. G. WILKINSON Ph.D. A.R.C.S. F.R.I.C. D.Sc. F.R.I.C. F.R.S. F.R.S. F.R.S. A.R.I.C. F.R.I.C. A.R.C.S. Editor R. S. CAHN M.A. D.Phil.Nat. F.R.I.C. Deputy Editor L. C. CROSS Ph.D. A.R.C.S. F.R.I.C. Assistant Editors A. D. MITCHELL D.Sc. F.R.I.C.; I. J. CANTLON Ph.D. L O N D O N T H E C H E M I C A L S O C I E T Y CONTENTS PAGE DIRECT STRUCTURAL EVIDENCE FOR WEAK CHARGE-TRANSFER BONDS IN SOLIDS CONTAIMNG CHEMICALLY SATURATED MOLECULES.By 0. Hassel INORGANIC REACTIONS IN LIQUID AMMONIA. By G. W. A. Fowles and and Chr. Rermming . - 1 D. Nicholls . . . . 19 FLUOROCARBON CHEMISTRY. PART 1. THE FLUORINATION OF ORGANIC COMPOUNDS. By R. Stephens and J. C. Tatlow . . 4 4 METAL OXIDATION. By M. W. Roberts . . . 71 D. W. Theobald . 101 RECENT ASPECTS OF SESQUITERPENOID CHEMISTRY. By T. G. Halsall and THE SYNTHESIS OF DI- AND TRI-TERPENES. By N. A. J. Rogers and J. A. THE CHEMISTRY OF THE PSYCHOTOMIMETIC SUBSTANCES. By D. F. Downing THE EFFECTS OF SOLVATION ON THE PROPERTIES OF ANIONS IN DIPOLAR CYANIDE COMPLEXES OF THE TRANSITION METALS. By W. P. Griffith Barltrop . . 117 133 A~ROTIC SOLVENTS.By A. J. Parker . . . . 163 . 188 By J. I. G. Cadogan . . 208 PROBLEMS. By M. A. D. Fluendy and E. B. Smith . . 241 ADDITION POLYMERISATION AT HIGH PRESSURES. By K. E. Weale . . 267 OXIDATION OF TERVALENT ORGANIC COMPOUNDS OF PHOSPHORUS. THE APPLICATION OF MONTE CARL0 METHODS TO PHYSICOCHEMICAL HALOGEN CATIONS. By J. Arotsky and M. C. R. Symons . . 282 AN OUTLINE OF TECHNETIUM CHEMISTRY. By R. D. Peacock and R. Colton . . 299 KINETICS AND MECHANISM OF REPLACEMENT REACTIONS OF CO-ORDINA- TOPOTACTIC REACTIONS IN INORGANIC OXY-COMPOUNDS. By L. S. Dent TION COMPOUNDS. By R. G. Wilkins . . 316 Glasser F. P. Glasser and H. F. W. Taylor . . . . 343 STEREOREGULAR ADDITION POLYMERISATION. By C. E. H. Bawn and A. Ledwith . . . . 361