Abstract
In the title compound, C9H10N2O4, an intramolecular N—H⋯O hydrogen-bond interaction generates an S(6) ring motif. The nitro group is slightly twisted away from its attached benzene ring [dihedral angle = 15.29 (15)°]. In the crystal structure, molecules are stacked down the a axis caused by short O⋯O(−1−x, −y, 2−z) contacts of 2.6481 (16) Å involving the O atoms of the nitro groups. The crystal packing is consolidated by intermolecular O—H⋯O hydrogen bonds, linking the molecules into centrosymmetric dimers.
Highlights
H O hydrogen-bond interaction generates an S(6) ring motif
H atoms treated by a mixture of independent and constrained refinement max = 0.44 e Å3
The crystal packing is consolidated by intermolecular O—H O hydrogen bonds, linking the molecules into centrosymmetric dimers
Summary
Refinement a School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, bKulliyyah of Science, International Islamic University Malaysia (IIUM), Jalan Istana, Bandar Indera Mahkota, 25200 Kuantan, Pahang, Malaysia, and cX-ray. Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia. H atoms treated by a mixture of independent and constrained refinement max = 0.44 e Å3. H O hydrogen-bond interaction generates an S(6) ring motif. The nitro group is slightly twisted away from its attached benzene ring [dihedral angle = 15.29 (15) ]. Molecules are stacked down the a axis caused by short O O(1x, y, 2z) contacts of 2.6481 (16) Å involving the O atoms of the nitro groups. The crystal packing is consolidated by intermolecular O—H O hydrogen bonds, linking the molecules into centrosymmetric dimers
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