(E)-3-(4-Chloro-phen-yl)-1-(1-naphth-yl)prop-2-en-1-one.

In the title compound, C(19)H(13)ClO, the benzene ring and the naphthalene system, are twisted by 12.3 (3) and 36.1 (2)°, respectively, and in opposite directions with respect to the central propenone bridge. The bond-angle pattern within the benzene ring is influence by both substituents; these influences are almost additive. In the crystal, the molecules are linked by C-H⋯O and C-H⋯Cl inter-actions.