1,3-Bis(2-cyanobenzyl)imidazolium bromide

Abstract

In the title salt, C19H15N4 +·Br−, the central imidazole ring makes dihedral angles of 83.1 (2) and 87.6 (2)° with the terminal benzene rings. The dihedral angle between the terminal benzene rings is 6.77 (19)°; the cyanide substituents have an anti orientation. In the crystal, the cations and anions are linked via C—H⋯N and C—H⋯Br hydrogen bonds, forming sheets lying parallel to the ac plane.

3-(3-Cyanobenzyl)-1-methyl-1H-imidazol-3-ium hexafluorophosphate

“…The dihedral angle between the imidazole ring and the benzene ring (C5-C10) is 71.26 (7)°. The bond lengths (Allen et al, 1987) and angles are within normal ranges and are comparable to the related structure (Haque et al, 2011).…”