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Vibronisches Spektralverhalten von Molekülen: XIV. Zum Einfluß der vibronischen Kopplung auf die S0-S1-Absorption und Fluoreszenz von ausgewählten 1,3-Diketonato-bor-komplexen im Rahmen der Herzberg-Teller-Näherung

Vibronic spectral behaviour of molecules: XIV. On the influence of vibronic coupling upon S0-S1 absorption and fluorescence of selected 1,3-diketonato boron complexes within the scope of Herzberg-Teller approach

  • Anorganische Und Physikalische Chemie
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Summary

Based upon completely-optimized S0 and S1 molecular geometries the vibrational structures of S0-S1 absorption and fluorescence transitions of selected 1,3-diketonato boron complexes being differently substituted, are calculated within the Herzberg-Teller approach taking into account vibronic coupling contributions. In dependence on substituted diketone as well as on the co-ligand, the influence of vibronic coupling and the consequences of intensity borrowing on the spectral behaviour in absorption and fluorescence are found to be quite different for the studied boron complexes. Consequently, for some complexes their spectroscopic properties may be interpreted exclusively by means of the Herzberg-Teller approach. An analysis of the relevant vibrational modes is given.

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Authors and Affiliations

  1. Sektion Chemie, Friedrich-Schiller-Universität Jena, DDR-6900, Jena, Deutsche Demokratische Republik

    Klaus Gustav & Michael Storch

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  1. Klaus Gustav
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  2. Michael Storch
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Gustav, K., Storch, M. Vibronisches Spektralverhalten von Molekülen: XIV. Zum Einfluß der vibronischen Kopplung auf die S0-S1-Absorption und Fluoreszenz von ausgewählten 1,3-Diketonato-bor-komplexen im Rahmen der Herzberg-Teller-Näherung. Monatsh Chem 121, 437–446 (1990). https://doi.org/10.1007/BF00810850

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  • DOI: https://doi.org/10.1007/BF00810850

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