2-(2-Hydroxybenzylidene)-1-(2-picoloyl)hydrazine Hemihydrate

In the title compound [2-hydroxybenzaldehyde 2-pyridylcarbonylhydrazone hemihydrate, C₁₃H₁₁N₃O₂.0.5H₂O, or (1).0.5H₂O], molecules of (1) are linked pairwise through intermolecular N—H...N hydrogen bonds. These pairs alternate with hydrogen-bonded water molecules to form one-dimensional chains.

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