Hydrogen bond in the excited state of [2.2.2.2](1,2,4,5)cyclophane quinhydrones

Hydrogen bond in the excited state of [2.2.2.2](1,2,4,5)cyclophane quinhydrones Intra- and intermolecular hydrogen bond was studied in electron-donor-acceptor complexes in the excited state. It was shown that low-frequency shifts of electron-transfer bands are correlated with the strength of the hydrogen bond in the ground electron state. A satisfactory agreement was obtained between the results of quantum-chemical calculations of [2.2.2.2](1,2,4,5)cyclophane bisquinones and their reduced forms, [2.2.2.2] (1,2,4,5)cyclophane quinhydrones, with experimental data, and unusual physicochemical properties of quinhydrones are noted. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Hydrogen bond in the excited state of [2.2.2.2](1,2,4,5)cyclophane quinhydrones

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general ; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427211010101
Publisher site
See Article on Publisher Site

Abstract

Intra- and intermolecular hydrogen bond was studied in electron-donor-acceptor complexes in the excited state. It was shown that low-frequency shifts of electron-transfer bands are correlated with the strength of the hydrogen bond in the ground electron state. A satisfactory agreement was obtained between the results of quantum-chemical calculations of [2.2.2.2](1,2,4,5)cyclophane bisquinones and their reduced forms, [2.2.2.2] (1,2,4,5)cyclophane quinhydrones, with experimental data, and unusual physicochemical properties of quinhydrones are noted.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Feb 19, 2011

References

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