title: 9-(2-Pyridylmeth-oxy)-1,10-phenanthrolin-1-ium perchlorate methanol solvate.
abstract: In the title organic salt, C(18)H(14)N(3)O(+)·ClO(4) (-)·CH(4)O, there is a π-π stacking inter-action between neighbouring 1,10-phenanthroline rings and the relevant distances are 3.5453 (18) Å for the centroid-centroid distance and 3.354 Å for the perpendicular distance. There is also a relatively close contact between a C-H bond and a symmetry-related pyridine ring. There are classical N-H⋯O and O-H⋯N hydrogen bonds and non-classical C-H⋯O hydrogen bonds involving the cation, methanol solvent mol-ecule and perchlorate anion.
authors.forename: Shi Guo
authors.initials: SG
authors.lastname: Zhang
authors.forename: Chao
authors.initials: C
authors.lastname: Hou