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Spectral and thermal characteristics of copper(II) carboxylates with fatty acid chains and their benzothiazole adducts

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Abstract

The carboxylato–Cu(II) complexes of type [Cu2(RCOO)4] and their benzothiazole adducts [Cu2(RCOO)4bt2] (bt = benzothiazole, R = CH3(CH2)n−2, n = 12, 14, 16, 18) form the main objectives of this study. The studied carboxylato–Cu(II) complexes are formed from dimeric units to polymeric chains (chromofor CuO5). The structural changes are due to coordination of ligand (benzothiazole). The polymeric chains of carboxylato–Cu(II) complexes degraded to discrete centrosymetric tetracarboxylate-bridged dimmers (chromofor CuO4N). These prepared compounds [Cu2(RCOO)4] and [Cu2(RCOO)4L2] were submitted to measurements relating to spectral (IR, UV–Vis) and thermal properties (TG, DTA, DSC).

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Acknowledgements

The authors wish to thank Prof. RN, Dr. Milan Melník, DrSc. and Prof. Ing. Peter Šimon, DrSc. from the Slovak Technical University, Bratislava, and Mgr. Silvia Koišová from Univerzity of Trenčín of A. Dubček, Trenčín. The authors also wish to thank the Slovak Grant Agency AV for financial support (project no. AV 4/2014/08).

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Authors and Affiliations

  1. Department of Chemical Technologies and Environment, Faculty of Industrial Technologies, University of Trenčín, 020 01, Púchov, Slovakia

    M. Pajtášová, D. Ondrušová, E. Jóna, S. L’alíková & T. Bazyláková

  2. Department of Engineering, University of New Brunswick, Saint John, NB, E2L 4L5, Canada

    S. C. Mojumdar

  3. Geological Institute, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská Dolina, 842 15, Bratislava, Slovakia

    M. Gregor

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  1. M. Pajtášová
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Correspondence to S. C. Mojumdar.

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Pajtášová, M., Ondrušová, D., Jóna, E. et al. Spectral and thermal characteristics of copper(II) carboxylates with fatty acid chains and their benzothiazole adducts. J Therm Anal Calorim 100, 769–777 (2010). https://doi.org/10.1007/s10973-010-0769-x

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