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In the title compound, C15H14IN3O2·CH3OH, two aromatic rings are linked by an N-substituted hydrazide function. The dihedral angle between the aromatic rings is 10.53 (8)°. The stereochemistry about the imine function is E. The methanol molecule forms an O-H...O hydrogen bond to the hydrazide O atom. In the crystal, chains of molecules running along the c-axis direction are formed by O-H...O hydrogen bonds. Adjacent chains are linked through N-H...O hydrogen bonds and π-π stacking interactions. The intermolecular interactions in the crystal packing were investigated using Hirshfeld surface analysis, which indicated that the most significant contacts are H...H (38.2%), followed by C...H/H...C (20.6%), O...H/H...O (11.1%) and I...H/H...I (9.7%). [ABSTRACT FROM AUTHOR]

In the title compound, C13H11N3S2, the phenyl ring is twisted from the 1,2,4- triazole plane by 63.35 (9)° and by 47.35 (9)° from the thiophene plane. In the crystal, chains of molecules running along the c-axis direction are formed by N-H···S interactions [graph-set motif C(4)]. The 1,2,4-triazole and phenyl rings are involved in π-π stacking interactions [centroid-centroid distance = 3.4553 (10) Å]. The thiophene ring is involved in C-H···S and C-H···π interactions. The intermolecular interactions in the crystal packing were further analysed using Hirshfield surface analysis, which indicates that the most significant contacts are H···H (35.8%), followed by S···H/H···S (26.7%) and C···H/H···C (18.2%). [ABSTRACT FROM AUTHOR]