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Thermal properties of solid complexes with biologically important heterocyclic ligands |
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| Authors: | L’ Lajdová E Jóna J Miklovi? P Segl’a L’ Kvasnicová S ?nircová R Janík S C Mojumdar |
| Institution: | 1. Department of Chemical Technologies and Environment, Faculty of Industrial Technologies, Tren?ín University, 020 32, Púchov, Slovakia 2. Department of Chemistry, Faculty of Natural Sciences, University of St. Cyril and Methodius, 917 01, Trnava, Slovakia 3. Institute of Inorganic Chemistry, Technology and Materials Faculty Chemical and Food Technology, Slovak Technical University, 812 37, Bratislava, Slovakia 4. Department of Engineering, University of New Brunswick, Saint John, NB, E2L 4L5, Canada |
| Abstract: | The stoichiometry of thermal decomposition of the complexes Co(NCS)2(fpy)4 (I), Co(NCS)2(Mefpy)4 (II) and Co(NCS)2(bfpy)4 (III) (where fpy = furo3,2-c]pyridine, Mefpy = methylfuro3,2-c]pyridine, bfpy = benzo-2, 3]furo3,2-c]pyridine) have been investigated in nitrogen atmosphere from room temperature (RT) to 800 °C by means of TG and DTA. The results revealed that release of heterocyclic ligands occurs in one step. Infrared data suggested that fpy, Mefpy and bfpy were coordinated to Co(II) through the nitrogen atom of the respective heterocyclic ring and anionic ligands through nitrogen atom of the NCS groups. |
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