Thermal and other properties of complexes of Mn(II), Co(II) and Ni(II) with 2,2'-bipyridine and trichloroacetates |
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| Authors: | D. Czakis-Sulikowska A. Czylkowska |
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| Affiliation: | (1) Institute of General and Ecological Chemistry, Technical University Lódź, Poland |
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| Abstract: | Complexes of the general formulae Mn(2-bpy)2(CCl3COO)2, Co(2-bpy)2(CCl3COO)2·H2O and Ni(2-bpy)2(CCl3COO)2·2H2O (where: 2-bpy=2,2'-bipyridine) have been prepared and characterized by VIS and IR spectroscopy, conductivity and magnetic measurements. The thermal properties of complexes in the solid state were studied under non-isothermal conditions in air atmosphere. During heating the complexes decompose via different intermediate products to the oxides Mn3O4, CoO and NiO. A coupled TG-MS system was used to detection the principal volatile products of thermal decomposition and fragmentation processes of obtained compounds. The principal volatile products of thermal decomposition of complexes are: H2O+, CO2 +, Cl2 + and other. This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | mass spectrometry thermal decomposition VIS-IR spectra trichloroacetate conductivity 2,2'-bipyridine complexes |
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