Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

organic compounds

Acta Cryst. (2013). E69, o529    [ doi:10.1107/S160053681300648X ]

2-Amino-4-methyl­pyrimidinium dihydrogen phosphate

S. P. Thomas and J. Sunkari

Abstract: A charge-assisted hydrogen-bonding network involving N-H...O and O-H...O hydrogen bonds stabilizes the crystal of the title salt, C5H8N3+·H2PO4-. The dihydrogen phosphate anions form one-dimensional chains along [100], via O-H...O hydrogen bonds. The 2-amino-4-methyl­pyrimidinium cations are linked to these chains by means of two different kinds of N-H...O hydrogen bonds. Neighbouring chains are linked via C-H...N and C-H...O hydrogen bonds forming two-dimensional slab-like networks lying parallel to (01-1).

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