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Synthesis and Structural Characterization of the Schiff Base Zn(II) Complex from Salicylaldehyde and Tris(2-aminoethyl)amine

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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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Authors and Affiliations

  1. Department of Inorganic Chemistry, Faculty of Chemistry, Tehran North Branch, Islamic Azad University, 19136-74411, Tehran, Iran

    R. Ranjineh Khojasteh & S. Jalali Matin

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  1. R. Ranjineh Khojasteh
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  2. S. Jalali Matin
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Correspondence to R. Ranjineh Khojasteh.

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Ranjineh Khojasteh, R., Jalali Matin, S. Synthesis and Structural Characterization of the Schiff Base Zn(II) Complex from Salicylaldehyde and Tris(2-aminoethyl)amine. Crystallogr. Rep. 63, 1138–1142 (2018). https://doi.org/10.1134/S1063774518070131

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  • DOI: https://doi.org/10.1134/S1063774518070131

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