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Author(s): Shaaban K. Mohamed | Mehmet Akkurt | Frank R. Fronczek | Mahmoud A. A. El-Remaily | Antar A. Abdelhamid

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 9;
Start page: o2784;
Date: 2012;
Original page

In the title compound, C10H9N5, the phenyl ring is twisted with respect to the pyrazole ring, forming a dihedral angle of 24.00 (6)°. In the crystal, molecules are linked by N—H...N hydrogen bonds into chains running parallel to [010] containing alternating R22(6) and R22(12) rings. Further interactions are found in the crystal, viz. N—H...π(phenyl) interactions and weak face-to-face π–π stacking interactions [centroid–centroid distance = 3.8890 (6) Å] between the centroids of the pyrazole and phenyl rings are observed.
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