Abstract
Intermolecular spectra are reported for acetonitrile and benzonitrile between −196 °C and 100–140 °C. Structural changes can be established from the integral intensity, peak frequencies, and effective molecular vibration frequencies. There is a polymorphic transition in crystalline acetonitrile between −50 and −60 °C, while there is a change in the structure of liquid benzonitrile in the range 0–10 °C. There are peaks in the intermolecular spectrum of benzonitrile in the liquid state.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 92–95, August, 1971.
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Torgunakov, N.G., Nikolaenko, P.T. & Sechkarev, A.V. Vibrational spectroscopy and the intermolecular dynamics of condensed states V. Temperature dependence of intermolecular spectra of acetonitrile and benzonitrile. Soviet Physics Journal 14, 1093–1096 (1971). https://doi.org/10.1007/BF00820074
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DOI: https://doi.org/10.1007/BF00820074