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Synthesis, Spectroscopic and Thermal Studies of Zinc(II) Complexes with the Symmetrical Bidentate Schiff-Base Ligand (2,3-MeO-ba)2en: Crystal Structure of Zn((2,3-MeO-ba)2en)I2

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Abstract

Two zinc(II) complexes [ZnI2((2,3-MeO-ba)2en)] (1) and [ZnCl2((2,3-MeO-ba)2en)] (2), with the symmetrical bidentate Schiff-base ligand (2,3-MeO-ba)2en [N,N′-bis(2,3-dimethoxybenzylidene)-1,2-diaminoethane] have been synthesized and characterized by elemental analyses (CHN), FT-IR and 1H-NMR spectroscopy. The thermal behaviors of these complexes were studied using thermogravimetry in order to evaluate their thermal stability and thermal decomposition pathways. The crystal structure of [ZnI2((2,3-MeO-ba)2en)] (1) was determined from single-crystal X-ray diffraction. The coordination polyhedron about the zinc(II) center in the complex 1 is best described as a distorted tetrahedron.

Graphical Abstract

Zinc(II) complexes [ZnX2((2,3-MeO-ba)2en)] (X = I (1) and Cl (2)) have been synthesized and characterized by elemental analyses (CHN), FT-IR and 1H-NMR spectroscopy. The crystal structure of 1 was determined from single-crystal X-ray diffraction. The coordination polyhedron about the zinc(II) center in the complex 1 is best described as a distorted tetrahedron.

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Acknowledgments

We acknowledge Golestan University (GU) and Damghan University (DU) for partial support of this work, The University of Burdwan (UB) for TG and University of Neuchâtel (UN) for X-ray analysis.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran

    Aliakbar Dehno Khalaji

  2. School of Chemistry, Damghan University, Damghan, P. O. Box 36715-364, Iran

    Gholamhossein Grivani & Samaneh Jalali Akerdi

  3. Institute of Physics, University of Neuchâtel, Rue Emile-Argand 11, CH-2009, Neuchatel, Switzerland

    Helen Stoeckli-Evans

  4. Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India

    Debasis Das

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  1. Aliakbar Dehno Khalaji
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  2. Gholamhossein Grivani
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  3. Samaneh Jalali Akerdi
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  4. Helen Stoeckli-Evans
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  5. Debasis Das
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Correspondence to Aliakbar Dehno Khalaji.

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Khalaji, A.D., Grivani, G., Akerdi, S.J. et al. Synthesis, Spectroscopic and Thermal Studies of Zinc(II) Complexes with the Symmetrical Bidentate Schiff-Base Ligand (2,3-MeO-ba)2en: Crystal Structure of Zn((2,3-MeO-ba)2en)I2 . J Chem Crystallogr 42, 83–88 (2012). https://doi.org/10.1007/s10870-011-0207-3

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  • DOI: https://doi.org/10.1007/s10870-011-0207-3

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