Research Article: 3-(2-Bromo­benz­yl)-1-methyl-1H-imidazol-3-ium bromide

Date Published: July 01, 2011

Publisher: International Union of Crystallography

Author(s): Jian-Yu Dong, Tian-Pa You.

http://doi.org/10.1107/S1600536811019842

Abstract

In the title compound, C11H12BrN2+·Br−, the imidazole and phenyl rings are nearly perpendicular, making a dihedral angle of 87.71 (7)°. The crystal structure is stabilized by non-classical inter­molecular C—H⋯Br hydrogen bonds and inversion-related mol­ecules are linked through π–π inter­actions between the imidazole ring systems [centroid–centroid distance = 3.472 (6) Å].

Partial Text

Imidazolium salts are used to obtain transition metal complexes of N-heterocyclic carbenes, which have become an important class of catalysts in organometallic chemistry and organic synthesis, see: Marion & Nolan (2008 ▶); Herrmann (2002 ▶); Qin et al. (2006 ▶). For related structures, Guo et al. (2008 ▶); Liu et al. (2003 ▶).

 

Source:

http://doi.org/10.1107/S1600536811019842

 

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