Crystal structure of (E)-1-[4-({4-[(4-methoxybenzylidene)amino]phenyl}sulfanyl)phenyl]ethan-1-one

Abstract

The title Schiff base compound, C22H19NO2S, crystallized with two independent molecules (A and B) in the asymmetric unit. Both molecules have an E conformation about the C=N bond. The two molecules differ in the orientation of the aromatic rings with respect to each other. The outer 4-methoxybenzene ring is inclined to the central benzene ring and the outer 4-acetylbenzene ring by 1.80 (19) and 63.73 (19)°, respectively, in molecule A, and by 6.72 (18) and 68.53 (19)°, respectively, in molecule B. The two outer benzene rings are inclined to one another by 63.77 (18) and 63.19 (18)° in molecules A and B, respectively. In the crystal, the individual molecules stack in columns along [010], and are linked by a number of C—H...π interactions, forming slabs lying parallel to (001).

Keywords

• crystal structure
• Schiff base
• 4-amino-4-acetyldiphenyl sulfide
• C—H...π interactions