Acta Cryst. (2013). C69, 77-81 [ doi:10.1107/S0108270112049669 ]
Abstract: In methyl 4-(4-chloroanilino)-3-nitrobenzoate, C14H11ClN2O4, (I), there is an intramolecular N-HO hydrogen bond and the intramolecular distances provide evidence for electronic polarization of the o-quinonoid type. The molecules are linked into sheets built from N-HO, C-HO and C-H(arene) hydrogen bonds, together with an aromatic - stacking interaction. The molecules of methyl 1-benzyl-2-(4-chlorophenyl)-1H-benzimidazole-5-carboxylate, C22H17ClN2O2, (II), are also linked into sheets, this time by a combination of C-H(arene) hydrogen bonds and aromatic - stacking interactions.
Formula: C14H11ClN2O4 and C22H17ClN2O2
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