title: 6,12-Dihydro-dipyrido[1,2-a:1',2'-d]pyrazinium bis-(perchlorate).
abstract: In the title compound, C(12)H(12)N(2) (2+)·2ClO(4) (-), the dihedral angle between the two outer pyridine rings of the dication is 44.8 (1)°. In the crystal, weak intermolecular C-H⋯O hydrogen bonds occur.
authors.affiliation: School of Applied Chemical Engineering, the Research Institute of Catalysis, Chonnam National University, Gwangju 500-757, Republic of Korea.
authors.forename: Nam-Ho
authors.initials: NH
authors.lastname: Kim
authors.forename: Kwang
authors.initials: K
authors.lastname: Ha