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The mol-ecular structure of the title compound, C 13 H 6 Cl 4 OS, consists of a 2,5-di-chloro-thio-phene ring and a 2,4-di-chloro-phenyl ring linked via a prop-2-en-1-one spacer. The dihedral angle between the 2,5-di-chloro-thio-phene ring and the 2,4-di-chloro-phenyl ring is 12.24 (15)°. The mol-ecule has an E configuration about the C=C bond and the carbonyl group is syn with respect to the C=C bond. The mol-ecular conformation is stabilized by intra-molecular C-H⋯Cl contacts, producing S (6) and S (5) ring motifs. In the crystal, the mol-ecules are linked along the a- axis direction through face-to-face π-stacking between the thio-phene rings and the benzene rings of the mol-ecules in zigzag sheets lying parallel to the bc plane along the c axis. The inter-molecular inter-actions in the crystal packing were further analysed using Hirshfield surface analysis, which indicates that the most significant contacts are Cl⋯H/ H⋯Cl (20.8%), followed by Cl⋯Cl (18.7%), C⋯C (11.9%), Cl⋯S/S⋯Cl (10.9%), H⋯H (10.1%), C⋯H/H⋯C (9.3%) and O⋯H/H⋯O (7.6%).

Crystal structure and Hirshfeld surface analysis of (2E)-3-(2,4-dichlorophenyl)-1-(2,5-dichlorothiophen-3-yl)prop-2-en-1-one