Dichlorido{N'-[1-(2-pyridin-2-yl)ethyl-idene]acetohydrazide-κN',O}copper(II)

Area of Science:

• Coordination Chemistry
• Crystallography
• Materials Science

Background:

• Copper(II) complexes are vital in catalysis and medicine.
• Understanding coordination geometry is key to designing functional materials.
• Acetohydrazide ligands offer versatile coordination modes.

Purpose of the Study:

• To elucidate the crystal structure and coordination environment of a novel copper(II) compound.
• To investigate the coordination behavior of the acetohydrazide ligand.
• To characterize the intermolecular interactions within the crystal lattice.

Main Methods:

• Single-crystal X-ray diffraction was employed for structural determination.
• The coordination geometry around the central Cu(II) atom was analyzed.
• Intermolecular hydrogen bonding networks were identified and studied.

Main Results:

• The compound exhibits a distorted square-pyramidal CuCl(2)N(2)O coordination geometry.
• The acetohydrazide ligand coordinates in a meridional fashion.
• Distinct Cu-Cl bond lengths were observed for axial and equatorial chlorides.
• A three-dimensional network is formed via intermolecular N-H⋯Cl and C-H⋯Cl hydrogen bonds.

Conclusions:

• The study provides detailed structural insights into a specific copper(II) complex.
• The findings contribute to the understanding of ligand coordination and supramolecular assembly in copper chemistry.
• The observed hydrogen bonding patterns are crucial for the overall crystal packing and stability.