3-Bromo-N′-(2-hydr­oxy-3,5-diiodo­benzyl­idene)benzohydrazide monohydrate

Crystals of the title compound, C(14)H(9)BrI(2)N(2)O(2)·H(2)O, were obtained from a condensation reaction of 3-bromo­benzohydrazide with 3,5-diiodo­salicylaldehyde. The Schiff base mol­ecule assumes an E configuration with respect to the C=N bond, and the dihedral angle between the two benzene rings is 6.9 (2)°. An intra­molecular O—H⋯N hydrogen bond is observed in the Schiff base mol­ecule and may contribute to its overall near planarity. In the crystal structure, mol­ecules are linked through inter­molecular O—H⋯O and N—H⋯O hydrogen bonds, forming layers parallel to the bc plane. Short inter­molecular I⋯O contacts [2.930 (5) Å] are also found, linking the mol­ecules into zigzag chains along b.