%0 Journal Article
%T 3-(4-{3,3,4,4,5,5-Hexafluoro-2-[5-(3-methoxyphenyl)-2-methyl-3-thienyl]cyclopent-1-enyl}-5-methyl-2-thienyl)benzonitrile
%A An-yin Chen
%A Zhang-Gao Le
%A Gang Liu
%A Shou-Zhi Pu
%J Acta Crystallographica Section E
%D 2009
%I International Union of Crystallography
%R 10.1107/s1600536809034771
%X The title compound, C29H19F6NOS2, is a new unsymmetrical photochromic diarylethene derivative with different meta-phenyl substituents. The distance between the two reactive (i.e. can be irradiated to form a new chemical bond) C atoms is 3.501 (4)  ; the dihedral angles between the mean plane of the main central cyclopentene ring and the thiophene rings are 47.7 (5) and 45.1 (2)กใ, and those between the thiophene rings and the adjacent benzene rings are 29.4 (2) and 28.4 (3)กใ. The three C atoms and the F atoms of hexafuorocyclopentene ring are disordered over two positions, with site-occupancy factors of 0.751 (4) and 0.249 (4).
%U http://scripts.iucr.org/cgi-bin/paper?S1600536809034771