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1,2-Bis[5-(9-ethyl-9H-carbazol-3-yl)-2-methyl-thio-phen-3-yl]-3,3,4,4,5,5-hexa-fluoro-cyclo-pentene.

ABSTRACT: The title compound, C(43)H(32)F(6)N(2)S(2), is a new symmetrical photochromic diaryl-ethene derivative with 9-ethyl-carbazol-3-yl substituents. The mol-ecule adopts a photoactive anti-parallel conformation [Irie (2000). Chem. Rev.100, 1685-1716; Kobatake et al. (2002). Chem. Commun. pp. 2804-2805], with a dihedral angle between the mean planes of the two thio-phene rings of 56.23?(6)°. The distance between the two reactive C atoms is 3.497?(3)?Å. In the crystal, two mol-ecules are associated through a pair of C-H?F inter-molecular hydrogen bonds, forming a centrosymmetric dimer. Dimers are linked by weak ?-? inter-actions [centroid-centroid distance = 3.8872?(13)?Å], forming chains along the c axis.

SUBMITTER: Kubono K 

PROVIDER: S-EPMC3213625 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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1,2-Bis[5-(9-ethyl-9H-carbazol-3-yl)-2-methyl-thio-phen-3-yl]-3,3,4,4,5,5-hexa-fluoro-cyclo-pentene.

Kubono Koji K   Synmyouzu Teruo T   Goto Kenta K   Tsujioka Tsuyoshi T   Tani Keita K  

Acta crystallographica. Section E, Structure reports online 20110730 Pt 8

The title compound, C(43)H(32)F(6)N(2)S(2), is a new symmetrical photochromic diaryl-ethene derivative with 9-ethyl-carbazol-3-yl substituents. The mol-ecule adopts a photoactive anti-parallel conformation [Irie (2000). Chem. Rev.100, 1685-1716; Kobatake et al. (2002). Chem. Commun. pp. 2804-2805], with a dihedral angle between the mean planes of the two thio-phene rings of 56.23 (6)°. The distance between the two reactive C atoms is 3.497 (3) Å. In the crystal, two mol-ecules are associated thr  ...[more]

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