Infrared spectra and internal rotation in propane, isobutane and neopentane

S. Weiss, G. E. Leroi

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

The infrared spectra of propane, isobutane and neopentane were recorded at high path-length × pressure conditions between 200 and 800 cm-1. A large number of combination bands were observed and assigned, and values for the torsional frequencies of isobutane and neopentane were derived from the combination bands. Potential barriers to internal rotation were calculated from the torsional frequencies and are compared with other results available from the literature.

Original languageEnglish
Pages (from-to)1759-1766
Number of pages8
JournalSpectrochimica Acta - Part A Molecular Spectroscopy
Volume25
Issue number11
DOIs
StatePublished - 1 Jan 1969
Externally publishedYes

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