Abstract
The peculiarities of the electronic structures of polymethine dyes that contain one or two nitrogen atoms in the chromophore were examined by means of the self-consistent-field (SCF) method within the Pariser-Parr-Pople (PPP) approximation as compared with the electronic structures of the corresponding trimethylidynecyanlnes, viz., benzothiazole and 2-quinoline derivatives, which are spectral sensitizers of silver halide emulsions.
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P. I. Abramenko, A. N. Gusarov, and V. A. Kosobutskii, Zh. Prikl. Spektrosk., 31, 91 (1979).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1492–1494, November, 1982.
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Abramenko, P.I., Gusarov, A.N. Electronic structures and reactivities of polymethine dyes and their derivatives. Chem Heterocycl Compd 18, 1156–1158 (1982). https://doi.org/10.1007/BF00506363
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DOI: https://doi.org/10.1007/BF00506363