Date Published: June 01, 2010
Publisher: International Union of Crystallography
Author(s): Humayun Pervez, Mohammad S. Iqbal, Naveeda Saira, Muhammad Yaqub, M. Nawaz Tahir.
In the title compound, C15H11N5O3S, intramolecular N—H⋯N hydrogen bonding forms an S(5) ring motif, whereas N—H⋯O and C—H⋯S interactions type complete S(6) ring motifs. The 2-oxoindoline and 3-methoxyphenyl rings are almost planar, with r.m.s. deviations of 0.0178 and 0.0149 Å, respectively, and form a dihedral angle of 33.59 (3)°. In the crystal, molecules are interlinked through the nitro groups in an end-to-end fashion via N—H⋯O and C—H⋯O interactions.
For the preparation and structures of biologically important N4-aryl-substituted isatin-3-thiosemicarbazones, see: Pervez et al. (2007 ▶). For related structures, see: (Pervez et al. 2010a ▶,b ▶). For graph-set notation, see: Bernstein et al. (1995 ▶).