Abstract
In the title compound, C14H13N5, the pyrazole ring is disordered over two orientations in a 0.571 (10):0.429 (10) ratio and the dihedral angle between the pyridazine ring and the benzene ring is 28.07 (10)°. In the crystal, pairs of N—H⋯N and C—H⋯N hydrogen bonds link the molecules into dimers, with the aid of a crystallographic twofold axis. The packing is consolidated by further C—H⋯N bonds and weak C—H⋯π interactions.
Highlights
Ratio and the dihedral angle between the pyridazine ring and the benzene ring is 28.07 (10)
C14H13N5, the pyrazole ring is disordered over two orientations in a 0.571 (10):0.429 (10)
The packing is consolidated by further C—H N bonds and weak
Summary
Khan,c Muhammad Makshoof Athard and Eliana Aparecida Silicz Buenoe a Department of Chemistry, Islamia University, Bahawalpur, Pakistan, Applied. Chemistry Research Center, PCSIR Laboratories Complex, Lahore 54600, Pakistan, b. Key indicators: single-crystal X-ray study; T = 296 K; mean (C–C) = 0.004 Å; disorder in main residue; R factor = 0.060; wR factor = 0.176; data-to-parameter ratio = 15.0. C14H13N5, the pyrazole ring is disordered over two orientations in a 0.571 (10):0.429 (10). Ratio and the dihedral angle between the pyridazine ring and the benzene ring is 28.07 (10). H N and C—H N hydrogen bonds link the molecules into dimers, with the aid of a crystallographic twofold axis. The packing is consolidated by further C—H N bonds and weak
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