UV-Untersuchungen an Stilben, Benzalanilin, Azobenzol, Azoxybenzol und einigen kristallinflüssigen Alkoxyderivaten
Open Access
- 1 March 1963
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 18 (3) , 336-347
- https://doi.org/10.1515/zna-1963-0309
Abstract
The π-electronic spectra of stilbene, benzalanilin, azobenzene and azoxybenzene are discussed and assigned. Starting point for the assignments are the π-states of stilbene calculated with inclusion of first order configuration interaction using the PARISER-PARR method. Absorption measurements on homogeneously ordered layers of some liquid cristaline alkoxyderivatives of benzalanilin, azobenzene and azoxybenzene make the assignments easier and safer. The UV-absorption of benzalanilin and azobenzene in sulfuric acid speaks for a symmetrical middle group of the azobenzene ion.Keywords
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