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Acta Cryst. (2010). E66, o300 [ doi:10.1107/S1600536810000425 ]
Abstract: The title compound, C5H6N3O2+·ClO4-, is comprised of discrete perchlorate anions and 2-amino-3-nitropyridinium cations. The anion has a typical tetrahedral geometry while the cation presents a nearly planar [maximum deviation = 0.007 (8) Å] pyridinium ring. Undulating [C5H6N3O2+]n chains extending along the c-axis direction are linked via N-H
O hydrogen bonds. The cations are further connected to the anions by N-H
O hydrogen bonds and weak C-H
O interactions, leading to the formation of a three-dimensional network.
Online 9 January 2010
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