title: 4-[5-(Pyridin-4-yl)-1,3,4-oxadiazol-2-yl]pyridinium benzoate.
abstract: In the title compound, C(12)H(9)N(4)O(+)·C(7)H(5)O(2) (-), π-π stacking inter-actions [centroid-centroid distance = 3.6275 (14)  Å] stabilize the crystal structure. The dihedral angles between the central ring and the terminal rings are 3.27 (12) and 10.30 (13)°.
authors.affiliation: Ordered Matter Science Research Center, College of Chemistry and Chemical, Engineering, Southeast UniVersity, Nanjing 211189, People's Republic of China.
authors.forename: Meng Ting
authors.initials: MT
authors.lastname: Han
authors.forename: Yuan
authors.initials: Y
authors.lastname: Zhang