Far-infrared spectra and structure of small ring compounds. Ethylene carbonate, γ-butyrolactone, and cyclopentanone

The infrared and Raman spectra of ethylene carbonate, γ-butyrolactone, cyclopentanone, and cyclopentanone-d 4 have been recorded over the frequency range of 33 to 1000 cm −1. Assignments of the various ring deformations have been made on the basis of band types, Raman depolarization values, and freq...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1968-01, Vol.27 (1), p.285-295
Main Authors: Durig, J.R., Coulter, G.L., Wertz, D.W.
Format: Article
Language:English
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Summary:The infrared and Raman spectra of ethylene carbonate, γ-butyrolactone, cyclopentanone, and cyclopentanone-d 4 have been recorded over the frequency range of 33 to 1000 cm −1. Assignments of the various ring deformations have been made on the basis of band types, Raman depolarization values, and frequencies. The data obtained on cyclopentanone is consistent with pseudorotation hindered by a barrier of 2.8 ± 0.7 kcal/mole.
ISSN:0022-2852
1096-083X
DOI:10.1016/0022-2852(68)90038-6