| Summary: | In the molecule of the title compound, C18H13Cl2N3O2S2, the thiazolidinone ring has an envelope conformation with the S atom displaced by 0.394 (3) Å from the plane of the other ring atoms. The thiadiazole ring is oriented at a dihedral angle of 7.40 (4)° with respect to the 4-methoxyphenyl ring. Intramolecular C—H...S, C—H...N and C—H...Cl hydrogen bonds result in the formation of two planar and two non-planar five-membered rings. The planar five-membered rings are oriented at a dihedral angle of 6.23 (3)°. The 2,4-dichlorophenyl ring is oriented at dihedral angles of 84.21 (4) and 83.55 (3)° with respect to the thiadiazole and 4-methoxyphenyl rings, respectively. In the crystal structure, intermolecular C—H...O hydrogen bonds link the molecules into centrosymmetric dimers.
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