Abstract
The title compound, C12H10N2O2S, was synthesized via the acid-catalyzed condensation of 4-nitroaniline and 5-methyl-2-thiophenecarboxaldehyde in a methanol–water solution. The dihedral angle between the benzene and thiophene rings is 54.62 (3)°. No directional interactions could be identified in the extended structure.
Highlights
The methylthiophene group makes a dihedral angle of 54.62 (3) with respect to the plane defined by the nitroaniline ring
The nitro group is nearly coplanar with the phenyl ring [C9—C10—N2—O2 = 3.47 (4)]
C7—C8 C7—C12 C7—N1 C8—H8 C8—C9 C9—H9 C9—C10 C10—C11 C10—N2 C11—H11 C11—C12 C12—H12 N2—O1 N2—O2
Summary
The methylthiophene group makes a dihedral angle of 54.62 (3) with respect to the plane defined by the nitroaniline ring. The nitro group is nearly coplanar with the phenyl ring [C9—C10—N2—O2 = 3.47 (4)]. This slight twist of the nitro group is not as large as the 9.0 (3) angle in (E)-N-(4-nitrophenyl)-1-(thiophen-2-yl)methanimine (Asiri et al, 2012).
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