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Photoelectron Spectroscopy of some trans-2, 2’ -Disubstituted Stilbenes

The HeI photoelectron (PE) spectra of stilbene (1), 2, 2’ -dichlorostilbene (2), 2-amino-2’ -chlorostilbene (3), 2, 2’ -diaminostilbene (4), and 2, 2’ -dinitrostilbene (5), all in their trans conformation are recorded and discussed. The electronic structure of 1-5 can well be described on the basis of the composite molecule method and simple Hückel molecular orbital (HMO) calculations. Results indicate the importance of substituent effects causing characteristic shifts of low energy electronic band systems in the PE spectra.

photoelektron spectra; trans-2; 2’ -disubstituted stilbene

Rad je kao poster prezentiran i na skupu IUPAC International Symposium on Theoretical Organic Chemistry, održanom od 30.08.-03.09.1982., Dubrovnik, Hrvatska.