Abstract
In the title compound, C14H12N4O5, an intramolecular N—H⋯O hydrogen bond generates an S(6) ring motif. The dihedral angle between the two benzene rings is 3.91 (3)°, which shows the molecule is almost planar. The para-nitro group is twisted from the benzene ring to which it is attached, making a dihedral angle of 8.50 (9)°. In the crystal structure, molecules are linked together by intermolecular C—H⋯O and intermolecular three-centred O⋯O [2.8646 (12)–2.9213 (11) Å] and O⋯N [3.0518 (11) Å] interactions. The crystal structure is further stabilized by intermolecular π–π interactions [centroid-to-centroid distances 3.5708 (6)–3.9728 (12) Å].
Highlights
H O hydrogen bond generates an S(6) ring motif
The para-nitro group is twisted from the benzene ring to which it is attached, making a dihedral angle of 8.50 (9)
H atoms treated by a mixture of independent and constrained refinement max = 0.52 e Å3
Summary
R factor = 0.045; wR factor = 0.126; data-to-parameter ratio = 23.6. H O hydrogen bond generates an S(6) ring motif. The dihedral angle between the two benzene rings is 3.91 (3) , which shows the molecule is almost planar. The para-nitro group is twisted from the benzene ring to which it is attached, making a dihedral angle of 8.50 (9). Molecules are linked together by intermolecular C—H O and intermolecular three-centred O O [2.8646 (12)–. 2.9213 (11) Å] and O N [3.0518 (11) Å] interactions. The crystal structure is further stabilized by intermolecular – interactions [centroid-to-centroid distances 3.5708 (6)–
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