Acta Cryst. (2013). E69, o471
[ doi:10.1107/S160053681300562X ]
Abstract: The crystal structure of the title salt, C12H9N2+·HSO4-·H2O, comprises inversion-related pairs of phenazinium ions linked by C-HN hydrogen bonds. The phenazinium N-H atoms are hydrogen bonded to the bisulfate anions. The bisulfate anions and water molecules are linked by O-HO hydrogen-bonding interactions into a structural ladder motif parallel to the a axis.
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