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1D Copper(I) Coordination Polymer [Cu2(µ-(2,4-Cl-ba)2bn)(µ-I2)]n with a Flexible Schiff Base Ligand: Synthesis, Crystal Structure, and Thermal Stability

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Abstract

In this paper, bis-monodentate Schiff base ligand (2,4-Cl-ba)2bn and its 1D copper(I) coordination polymer [Cu2(μ-(2,4-Cl-ba)2bn)(μ-I2)]n are synthesized and characterized by the elemental analysis (CHN), FT-IR and 1H NMR spectroscopy. Their crystal structure is determined from the single crystal X-ray diffraction analysis. The thermal behavior of the complex is studied using thermogravimetry in order to evaluate its thermal stability and thermal decomposition pathway. The X-ray results show that the free Schiff base ligand (2,4-Cl-ba)2bn is centrosymmetric and coordinated to copper(I) ions via two iminic nitrogen atoms as a bis-monodentate bridging ligand. The coordination geometry around the copper ions is a distorted triangle formed by one nitrogen and two iodine atoms. The distance between the two symmetry-related copper atoms is very short: 2.4756(8) Å.

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Funding

We are grateful to the Payame Noor University and Golestan University for the support of this work. The crystallographis study was supported by project No. 18-10504S of the Czech Science Foundation using instruments of the ASTRA lab established within the Operation program Prague Competitiveness – project CZ.2.16/3.1.00/24510.

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Authors and Affiliations

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

    A. D. Khalaji

  2. Department of Chemistry, Payame Noor University, Tehran, Iran

    S. J. Peyghoun

  3. Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic

    M. Dusek & V. Eigner

Authors
  1. A. D. Khalaji
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  2. S. J. Peyghoun
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  3. M. Dusek
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  4. V. Eigner
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Corresponding author

Correspondence to A. D. Khalaji.

Additional information

Additional Information

Crystallographic data (excluding the structure factors) for the structure reported in this paper has been deposited with the Cambridge Crystallographic Center, CCDC Nos. 1488877 (ligand) and 1488879 (complex). Copy of the data can be obtained free of charge at deposit@ccdc.cam.ac.uk.

Conflict of Interests

The authors declare that they have no conflict of interests.

Text © The Author(s), 2019, published in Zhurnal Strukturnoi Khimii, 2019, Vol. 60, No. 12, pp. 2069-2074.

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Khalaji, A.D., Peyghoun, S.J., Dusek, M. et al. 1D Copper(I) Coordination Polymer [Cu2(µ-(2,4-Cl-ba)2bn)(µ-I2)]n with a Flexible Schiff Base Ligand: Synthesis, Crystal Structure, and Thermal Stability. J Struct Chem 60, 1983–1988 (2019). https://doi.org/10.1134/S002247661912014X

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  • DOI: https://doi.org/10.1134/S002247661912014X

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