Acta Cryst. (2008). E64, o2480  [ doi:10.1107/S160053680803746X ]

3,3'-Dimethyl-1,1'-(propane-1,3-diyl)diimidazol-1-ium bis(hexafluorophosphate)

J. Liang, S. Dong, H. Cang and J. Wang

Abstract: In the title compound, C₁₁H₁₈N₄²⁺·2PF₆^-, the dihedral angle between the two planar imidozlium rings is 6.1 (2)°. Both [PF₆]^- anions are disordered [occupancies 0.65 (2):0.35 (2) and 0.59 (5):0.41 (5)]. The crystal packing is stabilized by intermolecular C-HF hydrogen bonds which link two molecules, forming centrosymmetric dimers.

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