Abstract
The asymmetric unit of the title compound, C5H7N2 +·C2F3O2 −, contains four independent 2-aminopyridinium cations and four independent trifluoroacetate anions. In the crystal structure, these ions are linked by N—H⋯O hydrogen bonds, forming four cation–anion pairs each containing an R 2 2(8) ring motif. The ion pairs are linked into two independent chains along [100] by N—H⋯O hydrogen bonds. In addition, C—H⋯O and C—H⋯F hydrogen bonds and π⋯π interactions [centoid–centroid separation = 3.6007 (17) Å] are observed.
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