(Z)-2-(2-Oxoindolin-3-ylidene)-N-phenylhydrazinecarbothioamide

Abstract

In the title compound, C15H12N4OS, the dihedral angle between the nine-membered indolin-2-one ring system and the phenyl ring is 2.72 (7)°. Intramolecular cyclic N—H...O and C—H...S hydrogen-bonding interactions [graph set S(6)] are present, as are weak N—H...N interactions [graph set S(5)]. In the crystal, molecules form centrosymmetric cyclic dimers through pairs of N—H...O hydrogen bonds [graph set R22(8)] and these are extended by C—H...S interactions. The crystal structure also features weak C—H...π interactions.