Acta Cryst. (2013). E69, o1281
[ doi:10.1107/S1600536813019302 ]
Abstract: The cation in the title compound, C7H7N2+·I-, is planar (r.m.s. deviation for the nine fitted non-H atoms = 0.040 Å). The crystal packing is best described as undulating layers of cations and anions associated via C-HI interactions.
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