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Influence of local molecular order on non‐coincidence in the Raman spectra of methanol in liquid mixtures. I — non‐polar solvent: carbon tetrachloride
Author(s) -
Sokolowska A.
Publication year - 1999
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/(sici)1097-4555(199907)30:7<507::aid-jrs408>3.0.co;2-3
Subject(s) - raman spectroscopy , carbon tetrachloride , chemistry , solvent , methanol , dilution , analytical chemistry (journal) , coincidence , carbon fibers , polar , spectral line , tetrachloride , organic chemistry , materials science , optics , physics , thermodynamics , medicine , alternative medicine , pathology , astronomy , composite number , tin , composite material
The non‐coincidence Δ ν = ν aniso − ν iso was investigated in the Raman spectra of OH and CO bands of methanol diluted with carbon tetrachloride. Dilution with carbon tetrachloride brings about an increase in the negative non‐coincidence of the CO band from −5 to −12 cm −1 and leaves it almost constant for the OH band. The behaviour of the non‐coincidence value of the CO band is interpreted as the result of a change in molecular local order. Copyright © 1999 John Wiley & Sons, Ltd.