Xingchen Yan, Yuhua Fan, Caifeng Bi, Jian Zuo, Zhongyu Zhang
||Acta Crystallographica Section E, 2012, Vol.68 (7), pp.o2084-o2084
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In the title salt, C6H9N2+·NO3−, the 2-amino-5-methylpyridinium cation and the nitrate anion are cyclically linked through pyridinium and amine N—H...O hydrogen bonds [graph set R43(12)]. These units are extended into a zigzag chain structure lying parallel to the a axis, through a second cyclic R22(8) association involving amine N—H...O and aromatic C—H...O hydrogen bonds to nitrate O-atom acceptors.