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Raman scattering of L ‐valine crystals
Author(s) -
Lima J. A.,
Freire P. T. C.,
Lima R. J. C.,
Moreno A. J. D.,
Mendes Filho J.,
Melo F. E. A.
Publication year - 2005
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.1410
Subject(s) - raman spectroscopy , wavenumber , raman scattering , valine , chemistry , spectral line , phase (matter) , crystallography , analytical chemistry (journal) , optics , physics , organic chemistry , amino acid , biochemistry , astronomy
Single crystals of L ‐valine, C 5 H 11 O 2 N, have been studied by Raman spectroscopy at temperatures from 17 to 300 K over the spectral range 20–3300 cm −1 . A tentative assignment of the bands is given. Careful analysis of the Raman spectra suggests that a series of changes in the low‐wavenumber region may be associated with a phase transition undergone by the material, and this possibility is discussed. Copyright © 2005 John Wiley & Sons, Ltd.