Abstract
In the title compound, 2C6H7N2O2 +·SO4 2−·3H2O, there are two independent cations which are connected into N—H⋯O hydrogen-bonded dimers. In the crystal, O—H⋯O hydrogen-bonded sulfate–water sheets run parallel to (001) and are linked into a three-dimensional network via intermolecular N—H⋯O and O—H⋯O hydrogen bonds through the 2-aminonicotinium dimers. Further stabilization is provided by weak intermolecular C—H⋯O hydrogen bonds. R 4 3(10) and R 2 2(8) graph-set rings are observed. The crystal studied was an inversion twin with refined components of 0.45 (6) and 0.55 (6).
Highlights
In the title compound, 2C6H7N2O2+SO423H2O, there are two independent cations which are connected into N—H O hydrogen-bonded dimers
H atoms treated by a mixture of independent and constrained refinement max = 0.27 e Å3
Further stabilization is provided by weak intermolecular C—H O hydrogen bonds
Summary
Thierry Roisnelc a Laboratoire de Chimie Appliquée et Technologie des Matériaux LCATM, Université. Larbi Ben M’Hidi, 04000 Oum El Bouaghi, Algeria, bUnité de Recherche de Chimie de l’Environnement et Moléculaire Structurale, CHEMS, Faculté des Sciences Exactes, Université Mentouri Constantine 25000, Algeria, and cCentre de Difractométrie X, UMR 6226 CNRS Unité Sciences Chimiques de Rennes, Université de Rennes I, 263
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