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2-[(E)-4-Methoxybenzylidene]-1,2,3,4-tetrahydronaphthalen-1-one

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Author(s): Abdullah M. Asiri | Hassan M. Faidallah | Mohie E. M. Zayed | Seik Weng Ng | Edward R. T. Tiekink

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 7;
Start page: o2190;
Date: 2012;
Original page

ABSTRACT
Two independent molecules (A and B) comprise the asymmetric unit of the title compound, C18H16O2. Molecule B is virtually superimposable upon A. Minor differences are noted in the dihedral angles between the terminal benzene rings of 56.03 (10) and 54.62 (10)°, and in the orientations of methoxy groups with respect to the benzene rings to which they are attached [C—O—C—C torsion angles = 169.11 (19) and −172.37 (18)°]. The cyclohexene ring of each fused ring system has a screw-boat conformation. In the crystal, C—H...π interactions assemble molecules into a supramolecular array in the ab plane.

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