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Crystal structure and Hirshfeld surface analysis of (E)-2-[2-(2-amino-1-cyano-2-oxoethylidene)hydrazin-1-yl]benzoic acid N,N-dimethylformamide monosolvate
(2023) Hajiyeva, Sevinc R; Huseynov, Fatali E; Atioğlu, Zeliha; Akkurt, Mehmet; Bhattarai, Ajaya
In the title compound, C10H8N4O3·C3H7NO, the asymmetric unit contains two crystallographically independent molecules A and B, each of which has one DMF solvate molecule. Molecules A and B both feature intramolecular N—H?O hydrogen bonds, forming S(6) ring motifs and consolidating the molecular configuration. In the crystal, N—H?O and O—H?O hydrogen bonds connect molecules A and B, forming R22(8) ring motifs. Weak C—H?O interactions link the molecules, forming layers parallel to the (\overline{2}12) plane. The DMF solvent molecules are also connected to the main molecules (A and B) by N—H?O hydrogen bonds. ?–? stacking interactions [centroid-to-centroid distance = 3.8702?(17)?Å] between the layers also increase the stability of the molecular structure in the third dimension. According to the Hirshfeld surface study, O?H/H?O interactions are the most significant contributors to the …