RAMAN-SPECTRA AND ISOMERISM OF SOME BROMOPHENYL-PHOSPHORANES PHNPBR5-N (1-LESS-THAN-OR-EQUAL-TO-N-LESS-THAN-OR-EQUAL-TO-3) AND THEIR SALTS

被引：8

作者：

ALJUBOORI, MAHA ^{[1
]}

GATES, PN ^{[1
]}

MUIR, AS ^{[1
]}

机构：

[1] UNIV LONDON,ROYAL HOLLOWAY & BEDFORD NEW COLL,DEPT CHEM,EGHAM HILL,EGHAM TW20 0EX,SURREY,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1994年 / 09期

关键词：

D O I：

10.1039/dt9940001441

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A synthetic and Raman investigation of isomerism in the bromophenylphosphoranes has shown no evidence for ionic-covalent isomerism analogous to that in the chlorophenylphosphoranes. Two ionic modifications of PhPBr4 have been identified by Raman spectroscopy, whereas Ph2PBr3 was found to exist in only one ionic form, Ph2PBr2+Br-. A recent proposal that Ph3PBr2 is a molecular four-co-ordinate species is disputed and evidence supporting an ionic formulation Ph3PBr+Br- is presented. Vibrational Raman assignments for the bromophenylphosphoranes and some of their tetrabromoborate and tetrabromoaluminate salts are given.

引用

页码：1441 / 1444

页数：4

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