(2E)-N'-[(E)-2-Hy-droxy-benzyl-idene]-3-phenyl-prop-2-enohydrazide

Abstract

In the non-planar title compound, C(16)H(14)N(2)O(2), the dihedral angle between the phenyl rings is 16.67 (8)°. An E conformation is found for each of the imine [1.286 (2) Å] and ethyl-ene [1.335 (2) Å] bonds. The amide O and H atoms are anti, and an intra-molecular hy-droxy O-H⋯N hydrogen bond is noted. The formation of N-H⋯O(hy-droxy) hydrogen bonds in the crystal packing leads to helical chains along the b axis. Supra-molecular layers in the ab plane are formed as the chains are linked by C-H⋯O inter-actions.

Fig. 1.

The molecular structure of (I) showing the atom-labelling scheme and displacement ellipsoids at the 70% probability level.

Fig. 2.

A view of the supramolecular helical chain along the b axis in (I). The N—H···O hydrogen bonds are shown as blue dashed lines.

Fig. 3.

A view of the supramolecular layer in the ab plane in (I) sustained by N—H···O and interactions, shown as blue and orange dashed lines, respectively.

Fig. 4.

A view in projection down the b axis of the unit-cell contents for (I) showing the inter-digitation of layers. The N—H···O and C—H···O interactions are shown as blue and orange dashed lines, respectively.