Abstract
The mixed ligand copper(II) complex of 2,2′-bipyridyl and L-lysine was synthesized from 2,2′-bipyrdine, lysine monohydrochloride and copper perchlorate. The resultant complex was characterized by elemental analysis, X-ray crystallography, IR and thermogravimetric analysis. X-ray studies showed that the title complex is a dimer. The geometry around copper atom is distorted square planar in which the Cu atom is bonded with N and O atoms from L-lysine and N, N atoms of 2,2′-bipyridyl ligand. The crystal structure is orthorhombic with unit cell parameters a = 10.5330(9) A, b = 13.2169(12) A, c = 32.618(3) A; V = 4540.9(7) A, D x = 8, 1.705 Mg/m3, Mr = 582.83. IR spectral band has been studied and are agreed well with those obtained from the values of the expected CHN analyses and X-ray diffraction. Thermal decomposition of the complex has also been studied under an inert atmosphere.
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