Hydrogen bonds formed by methyl groups of acetonitrile: Infrared and calorimetric study

Solutions of acetonitrile ( I) in tetrachloromethane and deuteratred solvents (S) (benzene, acctonitrile, acetone and dimethylsulphoxide) have been studied by IR absorption spectra. The observed solvent effect on the IR spectrum of I was explained in terms of the existence of complexes with hydrogen...

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Published in:Spectrochimica acta. Part A: Molecular spectroscopy 1994, Vol.50 (1), p.145-150
Main Authors: Stolov, A.A., Kamalova, D.I., Borisover, M.D., Solomonov, B.N., Remizov, A.B.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Bond strengths, dissociation energies
Conformation (statistics and dynamics)
Exact sciences and technology
Macromolecules and polymer molecules
Physics
Studies of special atoms, molecules and their ions
clusters
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Summary:Solutions of acetonitrile ( I) in tetrachloromethane and deuteratred solvents (S) (benzene, acctonitrile, acetone and dimethylsulphoxide) have been studied by IR absorption spectra. The observed solvent effect on the IR spectrum of I was explained in terms of the existence of complexes with hydrogen bonding of the type NCCH 3…solvent (S). The strength of the hydrogen bonding was characterized by enthalpies of specific interactions of I with solvents Δ H I/S int(sp). The values Δ H I/S int(sp) were determined both by IR spectroscopy and calorimetry and were found to be within the range 0.3–1.5 kcal mol −1.
ISSN:0584-8539
DOI:10.1016/0584-8539(94)80122-3