Raman and Infrared Spectral Data and Tentative Assignments for cis- and trans-Diiodoethylene

Abstract
Raman displacements, relative intensities, and depolarization factors, as well as wave numbers and estimated relative intensities for the infrared absorption bands in the region 400—4000 K (K = kayser = cm—1), have been obtained. Tentative assignments are given for the observed wave numbers and the applicability of the sum and product rules of Mizushima and Bernstein is discussed.
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