title: 2-(2-Pyridyl)pyridinium perchlorate, redetermined at 120 K: complex hydrogen-bonded sheets.
abstract: In the title compound, C10H9N2+.ClO4-, the ions are linked into complex sheets by the combination of one N-H...O and four independent C-H...O hydrogen bonds.
authors.affiliation: School of Chemistry, Bharathidasan University, Tiruchirappalli, Tamil Nadu 620 024, India.
authors.forename: S Jose
authors.initials: SJ
authors.lastname: Kavitha
authors.forename: Krishnaswamy
authors.initials: K
authors.lastname: Panchanatheswaran
authors.forename: John N
authors.initials: JN
authors.lastname: Low
authors.forename: Christopher
authors.initials: C
authors.lastname: Glidewell