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(2E)-1-(2,4-Dimethylquinolin-3-yl)-3-(thiophen-2-yl)prop-2-en-1-oneAdditional correspondence author, e-mail: juliebhavana@yahoo.co.in.

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Author(s): R. Prasath | P. Bhavana | Seik Weng Ng | Edward R. T. Tiekink

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 67;
Issue: 9;
Start page: o2283;
Date: 2011;
Original page

ABSTRACT
Two independent but virtually identical molecules comprise the asymmetric unit in the title compound, C18H15NOS. With reference to the quinolin-3-yl group, the 3-(thiophen-2-yl)prop-2-en-1-one residue is almost perpendicular, with all but the carbonyl O atom lying to one side of the plane. This conformation is reflected by the C—C—C—C torsion angles of −102.2 (3) and 81.1 (3)° in the two independent molecules. The dihedral angle formed between the 13 non-H atoms directly associated with the quinolin-3-yl group and the thiophen-2-yl ring is 87.70 (11)° [83.85 (10)° for the second independent molecule]. The presence of C—H...O, C—H...N and π–π interactions [centroid–centroid distance = 3.5590 (12) Å] lead to supramolecular chains along the c-axis direction. These are connected along the a-axis direction by C—H...π interactions. The resultant supramolecular layers stack along the b axis.

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Tangokurs Rapperswil-Jona

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