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The title solvated salt, C29H41N2 (+)·Br(-)·2CH2Cl2 was obtained from the reaction of the Arduengo-type carbene 1,3-bis-(2,6-diiso-propyl-phen-yl)-1,3-dihydro-4,5-dimethyl-2H-imidazol-2-ylidene with Si2Br6 in di-chloro-methane. The complete cation is generated by a crystallographic mirror plane and the dihedral angle between the five-membered ring and the benzene ring is 89.8 (6)°; the dihedral angle between the benzene rings is 40.7 (2)°. The anion also lies on the mirror plane and both di-chloro-methane mol-ecules are disordered across the mirror plane over two equally occupied orientations. In the crystal, the cations are linked to the anions via C-H⋯Br hydrogen bonds.

Crystal structure of 1,3-bis(2,6-diisopropylphenyl)-4,5-dimethyl-1H-imidazol-3-ium bromide dichloromethane disolvate