The electronic structure of cyclazines

I. Photoelectron spectrum and polarized electronic absorption spectrum of cyclopenta[h]cycl[4.2.2]azine

J. Spanget-Larsen Institut für Organische Chemie der Technischen Hochschule, D-61 Darmstadt, W. Germany

R. Gleiter Institut für Organische Chemie der Technischen Hochschule, D-61 Darmstadt, W. Germany

R. Haider Institut für Organische Chemie der Technischen Hochschule, D-61 Darmstadt, W. Germany

E.W. Thulstrup Department of Chemistry, Aarhus University, DK-8000, Aarhus C, Denmark

Abstract

The electronic structure of cyclopenta[h]cycl[4.2.2]azine (1) has been investigated by means of photoelectron spectroscopy and by polarized electronic absorption spectroscopy in stretched polyethylene sheets at 77 K. The measured transitions have been assigned to transitions calculated by a number of semi-empirical methods. The analysis of the results implies that the essential features of the electronic structure of 1 are well described in terms of those of a planar [14]annulene, perturbed by single-bond cross-links.

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The electronic structure of cyclazines

I. Photoelectron spectrum and polarized electronic absorption spectrum of cyclopenta[h]cycl[4.2.2]azine

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The electronic structure of cyclazines

I. Photoelectron spectrum and polarized electronic absorption spectrum of cyclopenta[h]cycl[4.2.2]azine

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