(2E)-3-(4-Chloro­phen­yl)-1-(3-hy­droxy­phen­yl)prop-2-en-1-one

Two new chalcones of general type (2E)-1-(3-hydroxy­phen­yl)-3-(4-R-phen­yl)prop-2-en-1-one are reported, one where R = chloro, C15H11ClO2, in the present paper, and one where R = methyl, C16H14O2, in the preceding paper [Butcher, Jasinski, Narayana, Lakshmana & Yathirajan (2007[Butcher, R. J., Jasinski, J. P., Narayana, B., Lakshmana, K. & Yathirajan, H. S. (2007). Acta Cryst. E63, o3660.]). Acta Cryst. E63, o3660]. In both structures, the 3-hydroxy­phenyl and 4-(meth­yl/chloro)phenyl groups are coplanar with each other and also with the propyl-2-ketone oxygen. Crystal packing is stabilized by inter­molecular O—H⋯O hydrogen bonding between the hydroxyl hydrogen and the propyl-2-ketone oxygen