Abstract
In the Pariser-Parr-Pople approximation, an analysis has been made of the first π-electron transitions in neutral and charged [N]annulenes with a closed shell. The influence of the ratio of numbers of π-electrons and atoms in the annulene on the spectrum of the annulene has been examined critically. A similarity of the spectra of [N]annulenes and polymethine dyes has been noted.
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Deceased.
Institute of Organic Chemistry, Academy of Sciences of the Ukrainian SSR, Kiev. Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 27, No. 4, pp. 493–499, July–August, 1991. Original article submitted February 8, 1988.
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Dyadyusha, G.G., Repyakh, I.V. First electronic transitions in compounds with the perimeter π-system. Theor Exp Chem 27, 431–436 (1991). https://doi.org/10.1007/BF01372525
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DOI: https://doi.org/10.1007/BF01372525