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A mixed phenoxo and end-on azide bridged dinuclear copper(ii) Schiff base complex: synthesis, structure, magnetic characterization and DFT study

Khan, S., Herrero, S., González-Prieto, R., Drew, M. G. B., Banerjee, S. and Chattopadhyay, S. (2018) A mixed phenoxo and end-on azide bridged dinuclear copper(ii) Schiff base complex: synthesis, structure, magnetic characterization and DFT study. New Journal of Chemistry, 42 (16). pp. 13512-13519. ISSN 1144-0546

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To link to this item DOI: 10.1039/c8nj02612b

Abstract/Summary

A dinuclear copper(II) complex, [(H2O)Cu(L)(μ1,1-N3)Cu(L)]ClO4 [HL = (2-(2-(ethylamino)ethylimino)methyl)-6-ethoxyphenol] has been synthesized and characterized by spectral and elemental analyses. The structure has been confirmed by single crystal X-ray diffraction. Variable temperature (2–300 K) magnetic susceptibility measurements indicate the presence of antiferromagnetic exchange coupling between the copper(II) centers (J = −46.18 cm−1), as also corroborated by DFT calculations (Jtheo = −45.98 cm−1). The calculated spin densities at the copper(II) centers were +0.56 and −0.61, confirming that they are the magnetic centers. An experimental absorption spectrum of the complex has been compared with a normalized absorption spectrum obtained theoretically. Supramolecular interactions in the solid state of the complex have also been characterized with the help of Hirshfeld analysis and the AIM theory.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:78621
Uncontrolled Keywords:Materials Chemistry, General Chemistry, Catalysis
Publisher:Royal Society of Chemistry

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