3,3'-Carbonyl-dipyridinium bis-(perchlorate).
In the title molecular salt, C(11)H(10)N(2)O(2+)·2ClO(4) (-), the complete cation is generated by crystallographic twofold symmetry. The dihedral angle between the pyridyl rings is 67.07 (7)°. The crystal structure features N-H⋯Cl hydrogen bonds, forming sheets in the ab plane.
Department of Chemistry, Capital Normal University, Beijing 100048,  People's Republic of China.
Ya
Y
Zhang
Ai-Min
AM
Li
Zhi-Wei
ZW
Wang
Chong-Qing
CQ
Wan