Acta Crystallographica Section E

Volume 68, Part 4 (April 2012)

organic compounds

go2046 scheme

Acta Cryst. (2012). E68, o1012 [ doi:10.1107/S1600536812009415 ]

2-Trifluoromethyl-1H-benzimidazol-3-ium nitrate

M.-L. Liu

Abstract: Ihe title salt, C₈H₆F₃N₂⁺·NO₃^-, the F atoms of the triflouromethyl group are disordered over two sets of sites in a 0.58 (2):0.42 (2) ratio. In the crystal, N-HO hydrogen bonds link the cations and anions into chains running parallel to the b axis. There is [pi] - [pi] stacking between symmetry-related benzene rings with a centroid-centroid distance of 3.949 (3) Å. The crystal studied was a non-merohedral twin, with a 19% minor component.


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