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 [18.104.22.168](1,2,4,5)cyclophane bisquinones and their reduced forms, [22.214.171.124] (1,2,4,5)cyclophane quinhydrones, with experimental data, and unusual physicochemical properties of quinhydrones are noted.
Russian Journal of Applied Chemistry – Springer Journals
Published: Feb 19, 2011
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