
%0 Journal Article
%A Becker, H 
%A Engelhardt, LM 
%A Hansen, L 
%A Patrick, VA 
%A White, AH 
%T On the molecular conformation of (E)-1,2-Di(9-anthryl)ethene. X-ray structure analyses of the parent compound and its 10,10'-dibromo derivative
%J Australian Journal of Chemistry
%D 1984/06/01
%V 37
%N 6
%P 1329-1335
%K 
%R https://doi.org/10.1071/CH9841329
%U https://www.publish.csiro.au/paper/CH9841329 
%X Two non-planar ground state conformations have been established by X-ray diffraction analyses of (E)-1,2-di(9-anthryl)ethene (1) and its 10,10'-dibromo derivative (2). The parent compound is characterized by a twofold axis of symmetry, the angle between the plane of the anthracene and that of the ethene being 55.1º. The angle between the two anthracene &#960;-systems is 69.8º. The dibromo derivative (2) is characterized by a centre of symmetry, and the two anthracene &#960;-systems are aligned parallel. The angle of twist between the plane of the anthracene and that of the ethene is 60.7º. 
