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The 1 : 1 complex of 3,5-dinitrobenzoic acid and 4- methylpyridine N-oxide

Moreno-Fuquen, R. and Zambrano, M.L. and Garjales-Tamayo, M. and Zukerman-Schpector, J. and Kennedy, A.R. (2001) The 1 : 1 complex of 3,5-dinitrobenzoic acid and 4- methylpyridine N-oxide. Acta Crystallographica Section E: Structure Reports, 58. o50-o52. ISSN 1600-5368

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In the title co-crystal, C7H4N2O6·C6H7NO, the two components are linked by an intermolecular hydrogen bond between the O - H and N - O groups [OO 2.487 (1) î..]. The dihedral angle formed by the planes of the rings of the component mol­ecules is 7.40 (7)°. The rings of the complex are stacked along the b axis of the crystal. The stacks exhibit overlap between the aromatic rings, with a mean interplanar distance of 3.136 (1) î...