Crystal structure of 4-(3,4-di-cyano-phen-oxy)-N-[3-(di-methyl-amino)-prop-yl]benzamide mono-hydrate: a phen-oxy-phthalo-nitrile derivative.

In the title compound, C20H20N4O2·H2O, the planes of the phen­oxy and phthalo­nitrile rings are oriented at a dihedral angle of 60.39 (5)°. The 3-(di­­methyl­amino)­propyl chain has an extended conformation and is cis with respect to the phthalo­nitrile ring. In the crystal, O—H⋯O, O—H⋯N and N—H⋯O hydrogen bonds link the mol­ecules to form slabs parallel to (100). There are also C—H⋯O and C—H⋯N hydrogen bonds and C—H⋯π inter­actions present within the slabs. The slabs are linked by a pair of inversion-related C—H⋯N hydrogen bonds, involving phthalo­nitrile rings, forming a three-dimensional structure.