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1,2-Bis[5-(2,2'-dicyano-vinyl)-2-n-pentyl-3-thien-yl]-3,3,4,4,5,5-hexa-fluoro-cyclo-pent-1-ene: a new photochromic diaryl-ethene compound.
| Content Provider | Europe PMC |
|---|---|
| Author | Li, Min Pu, Shou-Zhi Fan, Cong-Bin Le, Zhang-Gao |
| Copyright Year | 2008 |
| Abstract | The title compound, C31H26F6N4S2, is a new photochromic dithienylethene with dicyanovinyl subsitituents. In the crystal structure, the molecule adopts a photoactive antiparallel conformation, with two n-pentyl groups located on opposite sides of the cyclopentene ring. The cyclopentene ring assumes an envelope conformation. The distance between the two reactive C atoms on the thiophene rings is 3.834 (7) Å. One of the n-pentyl groups is disordered over two positions; the site occupancy factors are ca 0.7 and 0.3. |
| Journal | Acta crystallographica. Section E, Structure Reports Online |
| Volume Number | 64 |
| PubMed Central reference number | PMC2960348 |
| Issue Number | Pt 2 |
| Issue Number | pt 2 |
| PubMed reference number | 21201536 |
| e-ISSN | 16005368 |
| DOI | 10.1107/s160053680800202x |
| Language | English |
| Publisher | International Union of Crystallography |
| Publisher Date | 2008-01-25 |
| Access Restriction | Open |
| Rights License | This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited. © Li et al. 2008 |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics Materials Science |
