Acta Crystallographica Section E (May 2011)

Bis(5-amino-3-carboxy-1H-1,2,4-triazol-4-ium) sulfate dihydrate

  • Amira Ouakkaf,
  • Fadila Berrah,
  • Sofiane Bouacida,
  • Thierry Roisnel

DOI
https://doi.org/10.1107/S1600536811013882
Journal volume & issue
Vol. 67, no. 5
pp. o1171 – o1172

Abstract

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The crystal structure of the title compound, 2C3H5N4O2+·SO42−·2H2O, displays a three-dimensional framework in which mixed infinite chains [oriented parallel to (510) and (overline{5}10)] interfere, forming tunnels extending parallel to the c axis. Intermolecular O—H...O, N—H...O and O—H...N hydrogen bonds ensure the unity of the structure and generate centrosymmetric R44(14) and R42(8) rings. The S atom lies on a twofold axis.