| Summary: | In the title compound, C20H15ClN2OS, the bond lengths and angles in the thiourea group are typical of thiourea derivatives. The C—N bond lengths in the center of the molecule are shorter than the normal C—N single bond due to the resonance effects in this part of the molecule. The conformation of the title molecule with respect to the thiocarbonyl and carbonyl groups is twisted, as reflected by the C—N—C—O and C—N—C—N torsion angles of −4.4 (6) and −53.3 (5)°, respectively. Pairs of the molecules are linked into centrosymmetric dimers, stacked along the c axis via intermolecular N—H...S interactions. There are also weak intermolecular C—H...O and C—H...S contacts in the structure.
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