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2011•Synthesis and Reactivity in Inorganic Metal-Organic and Nano-Metal ChemistryRequires access

Synthesis and Crystal Structures of Zinc(II) Complexes with Schiff Bases Derived from 2-Acetylpyridine

Li-Lu Han

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Abstract

A series of mononuclear zinc(II) complexes, with the formulae [ZnBr(MEA)N3] (1), [Zn(MA)I2] (2), and [ZnCl(PA)N3] (3), where MEA, MA, and PA are N-methyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine, (2-morpholin-4-ylethyl)-(1-pyridin-2-ylethylidene)amine, and (2-piperidin-1-ylethyl)-(1-pyridin-2-ylethylidene)amine, respectively, have been synthesized and structurally characterized by elemental analyses, IR, and single crystal X-ray diffraction methods. The Zn atoms in (1) and (2) adopt distorted square pyramidal geometry, and that in (3) adopts geometry between the square pyramidal and the trigonal-bipyramidal.

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A series of mononuclear zinc(II) complexes, with the formulae [ZnBr(MEA)N3] (1), [Zn(MA)I2] (2), and [ZnCl(PA)N3] (3), where MEA, MA, and PA are N-methyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine, (2-morpholin-4-ylethyl)-(1-pyridin-2-ylethylidene)amine, and (2-piperidin-1-ylethyl)-(1-pyridin-2-ylethylidene)amine, respectively, have been synthesized and structurally characterized by elemental analyses, IR, and single crystal X-ray diffraction methods. The Zn atoms in (1) and (2) adopt distorted square pyramidal geometry, and that in (3) adopts geometry between the square pyramidal and the trigonal-bipyramidal.

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Available abstract

A series of mononuclear zinc(II) complexes, with the formulae [ZnBr(MEA)N3] (1), [Zn(MA)I2] (2), and [ZnCl(PA)N3] (3), where MEA, MA, and PA are N-methyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine, (2-morpholin-4-ylethyl)-(1-pyridin-2-ylethylidene)amine, and (2-piperidin-1-ylethyl)-(1-pyridin-2-ylethylidene)amine, respectively, have been synthesized and structurally characterized by elemental analyses, IR, and single crystal X-ray diffraction methods. The Zn atoms in (1) and (2) adopt distorted square pyramidal geometry, and that in (3) adopts geometry between the square pyramidal and the trigonal-bipyramidal.

Key concepts: Trigonal bipyramidal molecular geometry, Square pyramidal molecular geometry, Zinc, Amine gas treating, Chemistry, Crystallography, Crystal structure, Bipyramid

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Synthesis and Crystal Structures of Zinc(II) Complexes with Schiff Bases Derived from 2-Acetylpyridine — Research Paper | ScholarLens