Abstract
The pentadentate N4O-type Schiff base ligand was obtained by the condensation reaction of salicylaldehyde and tris(2-aminoethyl)amine, and its novel Zn(II) complex [Zn2 (C13H21N4O)]Cl3 was synthesized. The compounds were characterized by IR, UV–Vis, 1H-, 13C-NMR spectroscopy. Crystal structure of the complex was determined by X-ray single crystal diffraction. Complex crystallizes in the monoclinic system with sp. gr. P21/c and shows the ligand coordinated to two Zn ions with different structures around metal ions. One Zn(II) ion is five-coordinated: its coordination polyhedron is intermediate between trigonal bipyramid and square pyramid, being 30.1% along the pathway from trigonal bipyramid to square pyramid. Another Zn(II) ion has a tetrahedral structure. The electronic spectrum of the complex showed ligand to metal charge-transfer bands.
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