Abstract
In the title compound, C25H16Cl2O4·C2H6O, the two 4-chlorobenzoyl groups are in syn orientations with respect to the naphthalene ring system and are approximately parallel to each other: the dihedral angle between the benzene rings is 11.43 (16)°. The conformation around each of the carbonyl C—(C=O)—C groups forms a larger angle to the plane of the naphthalene ring system than that to the benzene ring; the angles of the C=O bond vector with the naphthalene ring system and the benzene ring are 55.4 (3) versus 13.5 (3)° and 52.2 (3) versus 17.9 (3)°. An intramolecular O—H⋯O=C hydrogen bond generates a six-membered ring. In the crystal structure, intermolecular O—H⋯O hydrogen bonds including the ethanol solvent molecule are observed. A C—H⋯O interaction also occurs. The ethyl group of the ethanol molecule is disordered over two positions with site occupancies of 0.63 and 0.37. The crystal studied was an inversion twin.
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More From: Acta Crystallographica Section E Structure Reports Online
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