Received 26 November 2013
In the title compound, 2C11H18N+·2PF6-·C12H24O6, the 18-crown-6 molecule has crystallographically imposed inversion symmetry. In the crystal, it interacts with the cation through weak C-HO hydrogen bonds. The cations and anions are further linked via N-HF and C-HF hydrogen bonds, leading to a sandwich structure .
Data collection: CrystalClear (Rigaku, 2005); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: RZ5098 ).
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