2-Hydr-oxy-N'-(2-methoxy-naphthyl-idene)benzohydrazide

Area of Science:

• Crystallography
• Organic Chemistry
• Supramolecular Chemistry

Background:

• Schiff base compounds are versatile organic molecules with diverse applications.
• Understanding the solid-state structure of Schiff bases is crucial for predicting their properties and designing new materials.
• The synthesis and characterization of novel Schiff base derivatives contribute to the field of coordination chemistry.

Purpose of the Study:

• To determine the crystal structure of the Schiff base compound C(19)H(16)N(2)O(3).
• To analyze the molecular conformation, including the configuration around the methylidene group and dihedral angles between aromatic systems.
• To investigate the role of intra- and inter-molecular hydrogen bonding in stabilizing the crystal structure.

Main Methods:

• Single-crystal X-ray diffraction was employed to elucidate the crystal structure.
• The crystallographic data was analyzed to determine molecular geometry and packing arrangements.
• Hydrogen bonding interactions were identified and characterized.

Main Results:

• The Schiff base compound C(19)H(16)N(2)O(3) crystallizes with two independent molecules in the asymmetric unit.
• Each molecule adopts a trans configuration about the methylidene group, with dihedral angles of 65.0(2)° and 55.8(2)° between the naphthyl and benzene rings.
• Intra-molecular hydrogen bonds (N-H⋯O and O-H⋯O) stabilize individual molecules, while inter-molecular hydrogen bonds (O-H⋯N and O-H⋯O) link molecules into 1D chains along the c-axis.

Conclusions:

• The crystal structure of the Schiff base C(19)H(16)N(2)O(3) has been successfully determined.
• The study highlights the importance of hydrogen bonding in directing the self-assembly of Schiff base molecules in the solid state.
• The findings provide valuable insights into the structure-property relationships of this class of compounds.