Collect. Czech. Chem. Commun. 1973, 38, 1463-1465

Conjugated radicals. XVII. Electronic spectra of radical ions derived from pentaleno[6,6a,1,2-def]heptalene and 2-phenylcyclopent[cd]azulene and semiempirical open shell PPP-like calculations

I. Nykl, V. Rejholec, P. Hobza, P. Čársky, R. Zahradník and K. Hafner

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