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Vibrational spectra of tetrabromophosphonium (PBr 4 + ) salts of some tetrabromate anions (MBr 4 − )
Author(s) -
Shamir Jacob,
Schneider Shlomo,
van der Veken Benjamin J.
Publication year - 1986
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250170607
Subject(s) - raman spectroscopy , chemistry , aqueous solution , boron , ion , inorganic chemistry , ionic bonding , infrared spectroscopy , spectral line , analytical chemistry (journal) , organic chemistry , physics , astronomy , optics
Complete Raman and IR spectra were recorded for tetrabromophosphonium salts of tetrabromo‐borate, ‐aluminate, ‐gallate and ‐indate. The compounds were prepared by precipitation from non‐aqueous solvents in which the reactants were dissolved and reacted. Their vibrational spectra are interpreted on the basis of these complexes being of ionic structure of the general formula [PBr 4 ] + [MBr 4 ] − , both ions being tetrahedral with T d symmetry. All the expected fundamentals have been observed and assigned.