Synthesis and Thermal Decomposition of Mixed 2,4'-bipyridine-oxalato Complexes With Mn(II), Co(II), Ni(II) and Cu(II)

被引：0
|
作者：
D. Czakis-Sulikowska
J. Radwańska-Doczekalska
M. Markiewicz
机构：
[1] Technical University of Łódź,Institute of General and Ecological Chemistry
来源：
Journal of Thermal Analysis and Calorimetry | 2000年 / 60卷
关键词：
2,4'-bipyridine-oxalato complexes; IR spectra; thermal decomposition; transition metals(II);
D O I：
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摘要：
The mixed 2,4'-bipyridine-oxalato complexes of the formulae M(2,4'-bipy)2 C2 O4 2H2 O (M (II)=Mn, Co, Ni, Cu; 2,4'-bipyridine=2,4'-bipy or L ; C2 O2–4 =ox) have been prepared and characterized. IR data show that the 2,4'-bipy coordinated with these metals(II) via the least hindered (4')N atom; that oxalate group acts as bidentate chelating ligand. Room temperature magnetic moments are normal for the orbital singlet states. The thermal decomposition of these complexes was investigated by TG, DTA and DTG in air. The endothermic or exothermic character of the decomposition of ML2 (ox)2H2 O was discussed.
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页码：145 / 151
页数：6
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