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.
3,3,4,4,5,5-Hexafluoro-1,2-bis(3-methylbenzo[b]-2-thienyl)cyclopentene
✍ Scribed by Sun, Fan ;Zhang, Fushi ;Wang, Ruji ;Zhao, Fuqun ;Pu, Shouzhi
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 197 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1600-5368
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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
Single-crystal X-ray study T = 294 K Mean (C-C) = 0.006 A R factor = 0.052 wR factor = 0.152 Data-to-parameter ratio = 12.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
In the title compound, C~17~H~10~F~6~O~4~S~2~·0.25C~3~H~6~O, there are two non-solvent molecules in the asymmetric unit, with different conformations. One is a photo-active antiparallel conformation in which the reactive C atoms are separated by 3.569 (6) Å. The other is a photo-inactive parallel co
Single-crystal X-ray study T = 294 K Mean '(C±C) = 0.004 A Ê R factor = 0.045 wR factor = 0.124 Data-to-parameter ratio = 10.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.