Abstract:In the crystal structure of the title salt, 2C6H9N2
+·C8H4O4
2−·4H2O, the terephthalate carboxylate groups interacts with the 2-amino-4-methylpyridinium cations via a pair of N—H⋯O hydrogen bonds, forming an R
2
2(8) ring motif. The water molecules form an R
6
6(12) ring motif through O—H⋯O hydrogen bonds and these motifs are fused, forming a supramolecular chain along the c axis. The R
2
2(8) and R
6
6(12) ring motifs are connected via O—H⋯O hydrogen bonds. In addition, π–π stacking interactions are obs… Show more
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