Infra-Red and Raman Spectra of Polyatomic Molecules XVIII. Trideuteronitromethane

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Abstract
The infra‐red spectrum of trideuteronitromethane has been studied in the range 3–25μ, and the Raman spectrum has been analyzed. From this data and that obtained by Wells and Wilson on nitromethane it has been possible to determine all the fundamental frequencies except that of the torsion about the C–N bond, and to carry out a normal coordinate treatment from which a potential function fitting the observed frequencies of nitromethane and trideuteronitromethane within 2 percent has been obtained.