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(2E)-3-(4-Methylphenyl)-1-(2-methyl-4-phenylquinolin-3-yl)prop-2-en-1-one monohydrate

Author(s): R. Prasath | S. Sarveswari | V. Vijayakumar | Seik Weng Ng | Edward R. T. Tiekink

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 66;
Issue: 11;
Start page: o2710;
Date: 2010;
Original page

The title hydrate, C26H21NO·H2O, exhibits significant twists of the benzene ring [dihedral angle = 87.24 (6)°] and chalcone residue [C—C—C—C torsion angle = −94.46 (17)°] out of the plane through the quinoline ring system. The conformation about the C=C bond [1.341 (2) Å] is E. The solvent water molecule forms hydrogen bonds to carbonyl O and quinoline N atoms derived from two molecules and through the application of a centre of inversion, a 16-membered {...HOH...OC3N}2 synthon is formed to stabilize the resulting tetrameric (two organic molecules plus two water molecules) aggregate. These are connected into a two-dimensional array via two C—H...O contacts, also involving the water molecule. The layers stack along the c axis, being linked by C—H...π interactions.
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