Acta Cryst. (2002). E58, o1232-o1233  [ doi:10.1107/S160053680201824X ]

N,N'-Bis[2-(2-pyridyl)methyl]pyridine-2,6-dicarboxamide hemihydrate

J. Y. Qi, J. Chen, Q. Y. Yang, Z. Y. Zhou and A. S. C. Chan

Abstract: The structure of the title pentadentate ligand as its hemihydrate, C₁₉H₁₇N₅O₂·0.5H₂O, is different from the structure of a similar tridentate ligand reported previously [Qi et al. (2001). Acta Cryst. E57, o749-o750; Yang et al. (2001). Acta Cryst. E57, o1161-o1162]. The two pyridine side arms are not in the same plane, owing to their rotation around an axis between the pyridine ring and the methylene group. There is an intermolecular hydrogen bond between the ligand and the disordered lattice water molecule.

Online 18 October 2002

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