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2-(5-Bromothiophen-2-yl)-5-[5-(10-ethyl-phenothia-zin-3-yl)thiophen-2-yl] -1,3,4-oxadiazole

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Indexed by: Journal Article

Date of Publication: 2012-01-01

Journal: Acta Crystallographica Section E: Structure Reports Online

Included Journals: Scopus

Volume: 68

Issue: 5

Page Number: o1383-o1384

ISSN: 16005368

Abstract: The molecule of the title compound, C24H16BrN 3OS3, contains three approximately planar fragments, viz. an oxadiazole ring plus two adjacent thiophene groups, and two phenothia-zine benzene rings, with largest deviations from the least-squares planes of 0.051 (3), 0.019 (4) and 0.014 (3) ?, respectively. The phenothia-zine unit adopts a butterfly conformation, with a dihedral angle of 38.06 (15)  between the terminal benzene rings. The dihedral angle between the 2,5-bis-(thiophen-2- yl)oxadiazole unit and the attached benzene ring is 15.35 (11)  . In the crystal, molecules form stacks along the b-axis direction; neighboring molecules within the stack are related by inversion centers, with shortest inter-centroid separations of 3.741 (2) and 3.767 (2) ?. ? Pan et al. 2012.

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