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Raman and infrared spectra of the FeCl 6 3− anion: Comparison of MCl 4 and MCl 6 vibrational frequencies
Author(s) -
Shamir Jacob
Publication year - 1991
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.1250220209
Subject(s) - raman spectroscopy , infrared , ion , chemistry , infrared spectroscopy , analytical chemistry (journal) , spectral line , molecular vibration , bending , materials science , physics , optics , organic chemistry , astronomy , composite material
Raman and infrared spectra, including two newly reported Raman frequencies, of the hexachloroferrate anion FeCl 6 3−are presented. Comparison of the vibrational frequencies of MCl 4 and MCl 6 species indicates that the stretching frequencies increase with decrease in the coordination number, whereas the bending frequencies decrease. In addition, frequencies of the Cr–N vibrations of the hexacoordinated CrN 6 system of the Cr(NH 3 ) 6 3+cation are also reported.