Acta Cryst. (2014). E70, o15 [ doi:10.1107/S1600536813032479 ]
Abstract: In the crystal structure of the title compound, C6H8N3O2+·C6H2N3O7-·H2O, N-HO and O-HO hydrogen bonds link the components into a two-dimensional network parallel to (010). In addition, there are pairs of weak inversion-related C-HO hydrogen bonds within the two-dimensional network. The three nitro groups are twisted by 1.6 (3), 7.8 (3) and 12.1 (3)° from the ring plane in the anion, while in the cation, the nitro group makes a dihedral angle of 4.6 (2)° with the ring.
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