IUCrData (Sep 2016)

2-Aminopyridinium 2,4-dinitrophenolate

  • S. Reena Devi,
  • R. Akilan,
  • R. Mohan Kumar,
  • T. Ganesh,
  • G. Chakkaravarthi

DOI
https://doi.org/10.1107/S2414314616014899
Journal volume & issue
Vol. 1, no. 9
p. x161489

Abstract

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The asymmetric unit of the title organic salt, C5H7N2+·C6H3N2O5−, comprises two 2-aminopyridinium cations and two 2,4-dinitrophenolate anions. The cations are protonated at the pyridine N atoms, while the anions are deprotonated at hydroxyl O atoms. In the crystal, bifurcated N—H...O hydrogen bonds generate two R12(6), two R21(6), and one R21(4) ring motifs. Adjacent anions and cations are linked by N—H...O hydrogen bonds into infinite chains along [110]. Weak C—H...O contacts and π–π interactions further link the components, forming a complex three-dimensional supramolecular network.

Keywords