title: (E,Z)-1-(4-Chloro-phen-yl)-5-phenyl-5-(phenyl-sulfan-yl)penta-2,4-dien-1-one.
abstract: The penta-2,4-dien-1-one fragment of the title compound, C23H17ClOS, is twisted by 20.0 (3)°, as measured by the dihedral angle between the planes of the carbonyl group and its attached C atom and the distant C=C double bond and its attached C atom. The 4-chloro-phenyl group forms a dihedral angle of 4.0 (3)° with the adjacent carbonyl group. Conjugation between the phenyl ring and the C=C double bond is absent; the dihedral angle between the phenyl ring and the C-C=C fragment is 34.3 (2)°. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds, forming chains parallel to the b-axis direction.
authors.affiliation: Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, 119991 Moscow, Russian Federation.
authors.forename: Anna V
authors.initials: AV
authors.lastname: Vologzhanina
authors.affiliation: Department of Chemical and Chemical Technology, Togliatti State University, 445667 Togliatti, Russian Federation.
authors.forename: Dmitry M
authors.initials: DM
authors.lastname: Gusev
authors.affiliation: Department of Chemical and Chemical Technology, Togliatti State University, 445667 Togliatti, Russian Federation.
authors.forename: Alexander A
authors.initials: AA
authors.lastname: Golovanov
authors.affiliation: Department of Chemical and Chemical Technology, Togliatti State University, 445667 Togliatti, Russian Federation.
authors.forename: Valentina S
authors.initials: VS
authors.lastname: Pisareva