Abstract
The title compound, C20H14N6O2, contains four rings. The dihedral angle between the pyridine ring and the pyrazole ring is 1.9 (1)°, i.e. almost coplanar, which gives rise to a conjugated structure. The dihedral angle between the nitro-substituted phenyl ring and the pyridine ring is 76.3 (1)° and that between the pyrazole ring and the non-substituted phenyl ring is 40.5 (1)°. In the crystal structure, symmetry-related molecules are linked by N—H⋯O and C—H⋯N hydrogen bonds.
Highlights
Symmetry-related molecules are linked by N—H O and C—H N hydrogen bonds
The title compound was prepared by the following procedure: To 1 ml of 1-butyl-3-methylimidazolium tetrafluoroborate
Single crystals of the title compound were obtained by slow evaporation from ethanol
Summary
Key indicators: single-crystal X-ray study; T = 294 K; mean (C–C) = 0.003 Å; Rfactor = 0.042; wR factor = 0.122; data-to-parameter ratio = 13.3. Symmetry codes: (i) x; y; z þ 12; (ii) x þ 12; y 12; z þ 12. The title compound, C20H14N6O2, contains four rings. The dihedral angle between the pyridine ring and the pyrazole ring is 1.9 (1) , i.e. almost coplanar, which gives rise to a conjugated structure. The dihedral angle between the nitro-substituted phenyl ring and the pyridine ring is 76.3 (1) and that between the pyrazole ring and the non-substituted phenyl ring is. Symmetry-related molecules are linked by N—H O and C—H N hydrogen bonds
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