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On the value of the depolarization ratio of fundamentals of sandwich compounds with an electronically degenerate ground state
Author(s) -
Koningstein J. A.,
Aleksanyan V. T.
Publication year - 1976
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.1250040312
Subject(s) - raman spectroscopy , degenerate energy levels , depolarization , depolarization ratio , ground state , chemistry , nuclear magnetic resonance , molecular physics , atomic physics , analytical chemistry (journal) , physics , optics , quantum mechanics , biophysics , organic chemistry , biology
The selection rules are derived for the Raman activity of fundamental modes in electronically degenerate groundstates of sandwich compounds. Emphasis is placed on the occurrence of asymmetric tensors, which can result in values of the depolarization ratio of Raman bands larger than 3/4.