Devipriya Selvaraju, Ranjithkumar Venkatesh, V. Sundararajan
Apr 29, 2011
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
Reaction of 5-sulfosalicylic acid with hydrazine hydrate at pH = 1 results in the formation of the title hydrated salt, 0.5N2H6 2+·C7H5O6S−·2H2O. The hydrazinium dications lie on centres of inversion. They are located between 3-carboxy-4-hydroxybenzenesulfonate anions, forming intermolecular N—H⋯O hydrogen bonds with sulfonate ions and water molecules of crystallisation. Further intra- and intermolecular O—H⋯O hydrogen bonds are observed in the crystal structure.