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Magnetic chains formed from tetra-coordinate Co(II) complexes

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Abstract

Two tetra-coordinate Co(II) complexes, [CoCl2(bzfupy)2] and [CoCl2(p-tol)2] with N-donor ligands, are apparently mononuclear systems. The magnetic susceptibility at low temperature attains a maximum which is a fingerprint of the exchange interaction. The exchange coupling constant fitted to a model of 1D-magnetic chain yields J/hc = −0.50 cm−1 and −0.57 cm−1, respectively. The magnetic interaction is mediated by the π-π stacking in the first complex, and the short Cl…Cl contacts in the second.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Natural Sciences, University of Ss. Cyril and Methodius, J. Herdu 2, 917 01, Trnava, Slovakia

    Monika Idešicová, Alžbeta Krutošíková, Viera Mrázová & Roman Boča

  2. Institute of Inorganic Chemistry, Technology and Materials, Faculty of Chemical and Food Technology, Radlinského 9, Slovak University of Technology, 812 37, Bratislava, Slovakia

    Roman Boča

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  1. Monika Idešicová
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  2. Alžbeta Krutošíková
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  3. Viera Mrázová
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  4. Roman Boča
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Correspondence to Roman Boča.

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Idešicová, M., Krutošíková, A., Mrázová, V. et al. Magnetic chains formed from tetra-coordinate Co(II) complexes. Chem. Pap. 67, 300–304 (2013). https://doi.org/10.2478/s11696-012-0187-6

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  • DOI: https://doi.org/10.2478/s11696-012-0187-6

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