Abstract
In the title compound, C7H7N5, the non-H atoms are almost coplanar (r.m.s. deviation = 0.050 Å), with the N atom of pyridine ring oriented to the N—N(H) side of the 1,2,4-triazole ring. The mean planes of the pyridine and 1,2,4-triazole rings form a dihedral angle of 5.58 (7)°. The N atom of the amino group adopts a pyramidal configuration. The molecules are linked into a two-dimensional network parallel to (10) by N—H⋯N hydrogen bonds.
Highlights
C7H7N5, the non-H atoms are almost coplanar (r.m.s. deviation = 0.050 A ), with the N atom of pyridine ring oriented to the N—N(H) side of the 1,2,4triazole ring
The molecules are linked into a two-dimensional network parallel to (101) by N—HÁ Á ÁN hydrogen bonds
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CI2719)
Summary
Key indicators: single-crystal X-ray study; T = 223 K; mean (C–C) = 0.002 A; R factor = 0.042; wR factor = 0.110; data-to-parameter ratio = 14.6. C7H7N5, the non-H atoms are almost coplanar (r.m.s. deviation = 0.050 A ), with the N atom of pyridine ring oriented to the N—N(H) side of the 1,2,4triazole ring. The mean planes of the pyridine and 1,2,4triazole rings form a dihedral angle of 5.58 (7). Related literature For 1,2,4-triazol-5-amines as building blocks in the synthesis of fused heterocyclic systems, see: Dolzhenko et al (2006, 2007a,b); Fischer, (2007). For a summary of structural data for 1,2,4-triazoles, see: Buzykin et al (2006). For crystal structures of CuII complexes with 3-pyridin-2-yl-1,2,4-triazol-5-amine, see: Ferrer et al (2004)
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