Received 2 December 2011
The asymmetric unit of the title compound, 2C3H10N+·C10H6S2O62-, contains a half-anion, which is completed by inversion symmetry, and one cation. The cations and anions are associated via strong N-HO(sulfonate) hydrogen-bonding interactions, forming cation-anion-cation groups. Secondary interactions such as C-H(ammonium)O(sulfonate) and van der Waals interactions link the cations and anions together in a three-dimensional crystal structure, with zigzag rows of cations lying between layers of anions.
The title compound was investigated as part of our search for simple ferroelectric compounds. For general background to ferroelectric metal-organic frameworks, see: Ye et al. (2006); Zhang et al. (2008, 2009, 2010); Fu et al. (2009). For a related structure, see: Wang & Yang (2011).
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: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BH2404 ).
The author thanks the Ordered Matter Science Research Center, Southeast University, for its excellent experimental conditions and its generous financial support.
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