Abstract
A new dinuclear copper(II) Schiff base complex, [Cu2L2(H2O)2(µ-ClO4)]ClO4, was synthesized and characterized by single crystal X-ray crystallography, FT-IR and UV-Vis spectroscopy, and elemental analysis. In this complex, L−1 is the deprotonated form of N-5-bromosalicylidene-1,3-propanediamine. Single crystals of the complex were crystallized in the monoclinic crystal system and P21/n space group. The geometry around each metal center is distorted octahedral in which the monoanionic Schiff base ligand has occupied three apices of the octahedron and the other three apices are occupied by a water molecule, an oxygen atom of the µ-perchlorato anion, and a phenoxo type oxygen atom from the other Schiff base ligand. Antibacterial properties of the synthesized complex have been investigated against human pathogenic bacteria, such as Escherichia coli, Klebsiella pneumonia, Salmonella (sp) and Proteus (sp), and Staphylococcus aureus. The complex showed moderate antibacterial activity against both Gram-type bacteria with the highest activity against K. pneumonia and E. coli.
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