Acta Cryst. (2005). E61, m192-m194  [ doi:10.1107/S1600536804033604 ]

Hydrogen trisodium bis(5-sulfonatosalicylate) monohydrate

Z.-B. Zhu, S. Gao, L.-H. Huo and S. W. Ng

Abstract: The crystal structure of the title compound, 3Na⁺·H⁺·2C₇H₄O₆S^2-·H₂O, features a trianion in which two 5-sulfonatosalicylate units are linked by an acid H atom through the negatively charged carboxyl O atoms. The trianion lies on a center of inversion, as does one of the sodium ions.

Online 24 December 2004

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