2-[Bis(5-chloro-2-pyridylamino)methyl]pyridine monohydrate

In the title compound, the dihedral angles between the 2-amino-5-chloropyridyl rings and the pyridine ring are 56.26 (6)degrees and 78.83 (5)degrees; the angle between the 2-amino-5-chloropyridyl rings is 72.42 (5)degrees. The solvent water molecules are linked to the organic compound by N-H center dot center dot center dot O, O-H center dot center dot center dot O, N-H center dot center dot center dot N and O-H center dot center dot center dot N hydrogen bonds. pi center dot center dot center dot pi Stacking interactions are also observed between the 2-amino-5-chloropyridyl rings (centroid center dot center dot center dot centroid distance = 3.243 angstrom).