Solvent induced frequency shifts of the C—H stretching bands of n-octane. A Fourier transform infrared study

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1139/v81-199
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Name affiliation
  1. National Research Council Canada
FormatText
TypeArticle
Journal titleCanadian Journal of Chemistry
ISSN0008-4042
1480-3291
Volume59
Issue9
Pages1357–1360
Abstract
Using a Fourier transform spectrometer the frequencies and bandwidths of the infrared active C—H stretching modes of n-octane were determined in a variety of solvents with refractive indices from 1.63 (carbon disulfide) to 1.28 (n-perfluorooctane), and dielectric constants from 37.5 (acetonitrile) to 1.8 (n-perfluorooctane). The frequency shifts were correlated with the refractive indices and dielectric constants of the solvents, and fitted with the equation of David and Hallam (Spectrochim. Acta, Part A, 23, 593 (1967)). Generally, solution results in shifts to frequencies lower than those observed in the gas phase. However, solution in n-perfluorooctane resulted in a shift to a higher frequency, behavior in accord with the above equation but not previously observed.
Publication date
LanguageEnglish
Peer reviewedYes
NRC number19040
NPARC number23001400
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Record modified2018-12-21
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