Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 61, Issue 7, Pages 1661-1670Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2004.11.043
Keywords
furfural; 2-chlorobenzaldehyde; linear dichroism spectra; nematic solutions; orientational parameters
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Vibrational analysis of the two conformers of furfural and 2-chlorobenzaidehyde has been carried out on the basis of their IR and Raman spectra measured in isotropic and anisotropic (nematic liquid crystalline) solvent. The average orientation of the individual conformers in the nematic solvent has been determined by means of a recently developed approach for low symmetry planar molecules using DFT calculations of the vibrational transitions moments. The complex shape of the carbonyl band additionally split into several components is interpreted as an effect of Fermi resonance. (c) 2004 Elsevier B.V. All rights reserved.
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