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Spectral-luminescent and proton-acceptor properties of 9-11-dehydrogenated 8-azasteroid

  • Optics and Spectroscopy
  • Published:
Russian Physics Journal Aims and scope

Abstract

Methods of quantum chemistry (including the method of intermediate neglect of differential overlap (INDO)) are used to calculate and to interpret the absorption and fluorescence spectra of the 9-11-dehydroderivative 2,3-dimethoxy-8-aza-D-homogon-1,3,5(10),13-tetraene-12,17a-dion (DA-1) molecule in aproton and proton-donor solvents. The electronic structure and spectra of electronically excited states of the isolated molecule and its complexes with water and proton solvates are calculated. It is demonstrated that bands in the absorption spectra are complex; they are formed by two or more electron transitions. It is established that only the charged DA-1 + H 5 O 2 + and DA-1 + 2H 3 O + complexes can fluoresce.

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Authors and Affiliations

  1. Tomsk State University, Russia

    O. K. Bazyl’ & G. V. Mayer

  2. V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University, Russia

    V. Ya. Artyukhov

Authors
  1. O. K. Bazyl’
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  2. V. Ya. Artyukhov
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  3. G. V. Mayer
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 3–9, June, 2006.

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Bazyl’, O.K., Artyukhov, V.Y. & Mayer, G.V. Spectral-luminescent and proton-acceptor properties of 9-11-dehydrogenated 8-azasteroid. Russ Phys J 49, 567–573 (2006). https://doi.org/10.1007/s11182-006-0144-3

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  • DOI: https://doi.org/10.1007/s11182-006-0144-3

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