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.
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Original Russian Text © K.K. Kalnin’sh, S.G. Semenov, 2011, published in Zhurnal Prikladnoi Khimii, 2011, Vol. 84, No. 1, pp. 61–67.
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Kalnin’sh, K.K., Semenov, S.G. Hydrogen bond in the excited state of [2.2.2.2](1,2,4,5)cyclophane quinhydrones. Russ J Appl Chem 84, 60–67 (2011). https://doi.org/10.1134/S1070427211010101
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DOI: https://doi.org/10.1134/S1070427211010101