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Acta Cryst. (2013). E69, o1085  [ doi:10.1107/S1600536813015407 ]


H. Tanak, F. Togurman, S. Kalecik, N. Dege and M. Yavuz

Abstract: The title compound, C14H11N3O5, is a Schiff base that adopts the enol-imine tautomeric form in the solid state. The dihedral angle between the aromatic rings is 37.4 (3)° and the dihedral angles between the nitro groups and their attached rings are 4.0 (6) and 46.2 (8)°. The molecular structure is stabilized by an intramolecular O-H...N hydrogen bond, which generates an S(6) ring motif. In the crystal, molecules are linked by C-H...O interactions, forming a two-dimensional network parallel to the bc plane.

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