Effect of 1,1,2,2-tetrachloroethane on IR spectra of HCl complexes withN,N-dimethylformamide and 1-methyl-2-pyrrolidone formed by a strong quasi-symmetric hydrogen bond |
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Authors: | I S Kislina V D Maiorov S G Sysoeva |
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Institution: | (1) N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 4 ul. Kosygina, 117977 Moscow, Russian Federation |
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Abstract: | The effect of 1,1,2,2-tetrachloroethane (TCE) on the IR spectra of HCl complexes withN,N-dimethylformamide (DMF) and 1-methyl-2-pyrrolidone (N-MP) with strong quasisymmetric hydrogen bonds was studied using Multiple Attenuated Total Reflection (MATR) IR spectroscopy.
The addition of TCE does not change the background absorption spectra, but results in a change in the extinction coefficients
of some bands of these complexes. The analysis of the spectra shows that the HCl−DMF complexes interact only with one molecule
of TCE, and the HCl−N-MP complexes interact with two molecules of TCE. It is shown that the neutral component of the system (TCE) has no effect
on the parameters of the strong quasi-symmetric H-bond in the complexes studied.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 956–960, May, 1997. |
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Keywords: | IR spectra acid-base interactions hydrogen bond solutions complexes hydrogen chloride N N-dimethylformamide 1-methyl-2-pyrrolidone 1 1 2 2-tetrachloroethane interaction |
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