(2E)-3-(biphenyl-4-yl)-1-(4-chlorophenyl)prop-2-en-1-one

The title compound, C21H15ClO, was prepared from biphenyl-4-carbaldehyde and 4-chloroacetophenone. Single crystals were obtained from acetone. The compound is isostructural with the corresponding Br compound. The molecule deviates significantly from planarity.