Abstract
A form of the configuration interaction method is described which accommodates radicals having a doubly degenerate molecular orbital occupied by one or three electrons. The procedure covers all types of excited configurations corresponding formally to one-electron promotions from the ground state. The matrix elements derived are based on the SCF MO's given by the half-electron method. The computational scheme is applied, in the CNDO and PPP-like approaches, to the interpretation of the electronic spectrum of the cyclopentadienyl radical.
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Postdoctoral fellow of the Swiss National Foundation.
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Kuhn, J., Čársky, P. & Zahradnik, R. SCF-CI MO treatment of radicals having degenerate ground states. Theoret. Chim. Acta 33, 263–268 (1974). https://doi.org/10.1007/BF00551260
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DOI: https://doi.org/10.1007/BF00551260