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Intermolecular interactions in acetonitrile in a liquid and in a low-temperature argon matrix

Research paper by A. V. Sechkarev, Yu. A. Fadeev, I. D. Reva

Indexed on: 01 Sep '99Published on: 01 Sep '99Published in: Journal of Applied Spectroscopy



Abstract

IR spectra of acetonitrile embedded in an argon matrix and in a liquid are recorded. IR spectra of specimens obtained with different concentrations of acetonitrile in argon are analyzed. The spectral region of C≡N vibrations of 2200–2300 cm−1 with bands of monomers and possible associates is investigated. Overlap with the band of a hot transition on the low-frequency side is responsible for the pronounced asymmetry of the band ν(C≡N).