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On the role of exciton‐phonon interaction in the interpretation of the relative intensities in the Raman lattice spectrum of crystalline p ‐chloroaniline
Author(s) -
Szostak M. M.,
Sanquer M.,
Girard A.
Publication year - 1981
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.1250110606
Subject(s) - raman spectroscopy , phonon , exciton , lattice (music) , chemistry , molecular physics , vibrational spectrum , interpretation (philosophy) , condensed matter physics , physics , atomic physics , optics , acoustics , computer science , programming language
The relative intensities of bands in a polarized Raman Lattice spectrum of p ‐chloroaniline are interpreted in terms of the oriented gas model. Among different reasons for deviations from this model the vibronic intensity enhancement of B 1g and B 3g lattice bands has been found to be the most important one.