Date Published: June 01, 2011
Publisher: International Union of Crystallography
Author(s): Hao-Wei Wang, Ming-Ming Yang, Qi-Sheng Lu, Fang-Shi Li.
In the title compound, C12H13N3O2, the dihedral angle between the pyrazole and benzene rings is 50.0 (3)°. In the crystal, molecules are linked by intermolecular N—H⋯O hydrogen bonds to form a three-dimensional network. Two weak C—H⋯π interactions reinforce the crystal packing.
For bond-length data, see: Allen et al. (1987 ▶). For the preparation, see: Hosseini-Sarvari & Sharghi (2006 ▶).