Abstract
In the title compound, C6H9N2 +·C7H6NO2 −, the H atom of the N—H group and an H atom of the 2-amino group from the cation are involved in intermolecular N—H⋯O hydrogen bonds with the O atoms of the carboxylate group of the anion, forming an R 2 2(8) ring motif. These ring motifs are, in turn, connected by further N—H⋯O hydrogen bonds, forming a two-dimensional network. The crystal structure is further stabilized by π⋯π stacking interactions involving the benzene and pyridinium rings with a centroid–centroid distance of 3.7594 (8) Å.
Highlights
H atoms treated by a mixture of independent and constrained refinement max = 0.20 e Å3
N—H group and an H atom of the 2-amino group from the cation are involved in intermolecular N—H O hydrogen bonds with the O atoms of the carboxylate group of the anion, forming an R22(8) ring motif
Symmetry codes: (i) x−1, −y+1/2, z−1/2; (ii) x−1, y, z; (iii) −x+1, −y+1, −z+2
Summary
R factor = 0.048; wR factor = 0.138; data-to-parameter ratio = 16.7. H atoms treated by a mixture of independent and constrained refinement max = 0.20 e Å3. N—H group and an H atom of the 2-amino group from the cation are involved in intermolecular N—H O hydrogen bonds with the O atoms of the carboxylate group of the anion, forming an R22(8) ring motif. These ring motifs are, in turn, connected by further N—H O hydrogen bonds, forming a two-dimensional network. The crystal structure is further stabilized by stacking interactions involving the benzene and pyridinium rings with a centroid–centroid distance of. Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009)
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