Acta Cryst. (2006). E62, o21-o23  [ doi:10.1107/S1600536805039383 ]

N-Methylbenzimidazole N-methylbenzimidazolium hexafluorophosphate

H. Kooijman, A. H. Velders and A. L. Spek

Abstract: In the title compound, C₈H₈N₂·C₈H₉N₂⁺·PF₆^-, 50% of the N-methylbenzimidazole residues are protonated. An N-HN⁺ hydrogen bond with a DA distance of 2.641 (2) Å is formed. The organic molecules are located on crystallographic mirror planes and the PF₆^- counter-ions are located on crystallographic 2/m sites.

Online 7 December 2005

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