VIBRATION-ROTATION INTERACTION IN THE MICROWAVE SPECTRUM OF CYCLOPENTENE
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Date
1964
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Ohio State University
Abstract
The microwave spectrum of cylcopentene has been reinvestigated. In order to obtain a frequency fit of rotational transitions in the lowest pair of inversion levels a vibration-rotation coupling term has been added to the rigid-rotor Hamiltonian. This perturbation is similar to that employed by Lide in the study of $cyanamide^{1}$. In cyclopentene this perturbation has given a value for the inversion doubling of $0.91 cm^{-1}$. Careful examination of Stark perturbation between the inversion doublets has allowed an independent measure of the doubling, indicating an upper limit of $0.95 cm^{-1}$. The determination of the potential function for the out-of-plane bend will also be discussed.
Description
$^{1}$ D. R. Lide, Jr., J. Mol. Spectroscopy 8, 142 (1962).
Author Institution: Division of Pure Physics, National Research Council
Author Institution: Division of Pure Physics, National Research Council