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1,2-Bis(5-chloro-2-methyl-3-thienyl)­cyclo­pentene

✍ Scribed by Guan, Jin-Tao ;Yin, Jun ;Yu, Guang-Ao ;Liu, Sheng-Hua

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
94 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the crystal structure of the title compound, C 15 H 14 Cl 2 S 2 , two substituted thiophene rings are cis positioned with respect to the double bond of a cyclopentene ring. The ring skeleton of the molecule is not planar.

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Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.004 A Ê R factor = 0.040 wR factor = 0.124 Data-to-parameter ratio = 17.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title compound, C 31 H 18 F 6 S 2 , is a molecular switch based on dithienylperfluorocyclopentene. The molecule possesses pseudo-C 2 symmetry and has the open form of the switch. There are a number of intramolecular C-HÁ Á ÁF hydrogen bonds, but in the crystal structure there are no interactions