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Acta Cryst. (2012). E68, o90  [ doi:10.1107/S1600536811052718 ]

Bis(trimethylammonium) naphthalene-1,5-disulfonate

Y. Jin

Abstract: 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-H...O(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.

Online 10 December 2011

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