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Intermolecular hydrogen bonding in the complexes of Schiff bases with acetic acid

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Abstract

Quantum chemical calculations are applied to study the structure and energy of the complexes of a series of Schiff bases (SBs) with acetic acid. The results of the calculations give evidence that a weak hydrogen bond occurs between the oxygen atoms of the acid and SB aromatic protons in these complexes along with the CH3COOH…N=CH H-bond. The structure of the complexes is confirmed experimentally by measuring the nuclear Overhauser effect. The effect of the properties of SB terminal substituents on the stability of SB-acid complexes is analyzed.

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Correspondence to G. A. Zhurko.

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Original Russian Text Copyright © 2011 by G. A. Zhurko, V. V. Aleksandriiskii, and V. A. Burmistrov

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Translated from Zhurnal Strukturnoi Khimii, Vol. 52, No. 2, pp. 239–245, March–April, 2011.

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Zhurko, G.A., Aleksandriiskii, V.V. & Burmistrov, V.A. Intermolecular hydrogen bonding in the complexes of Schiff bases with acetic acid. J Struct Chem 52, 227–233 (2011). https://doi.org/10.1134/S0022476611020016

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  • DOI: https://doi.org/10.1134/S0022476611020016

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