New complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with 3,3-dimethylglutaric acid

W. Brzyska; W. Ozga

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New complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with 3,3-dimethylglutaric acid

机译：New complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with 3,3-dimethylglutaric acid

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Conditions for the preparation of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) 3,3-dimethylglutarates were investigated and their quantitative composition, solubility in water at 293 K and magnetic moments were determined. IR spectra and powder diffraction patterns of the complexes prepared with general formula MC_7H_(10)O_4·nH_2O (n = 0-2) were recorded and their thermal decomposition in air were studied. During heating the hydrated complexes of Mn(II), Co(II), Ni(II) and Cu(II) are dehydrated in one step and next all the anhydrous complexes decompose to oxides directly (Mn, Co, Zn) or with intermediate formation free metal (Ni, Cu) or oxocarbonates (Cd). The carboxylate groups in the complexes studied are bidentate. The magnetic moments for the paramagnetic complexes of Mn(II), Co(II), Ni(II) and Cu(II) attain values 5.62, 5.25, 2.91 and 1.41 M. B., respectively.

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来源
《Journal of thermal analysis and calorimetry》 |2002年第3期|623-629|共7页
作者
W. Brzyska; W. Ozga;
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作者单位

Department of General Chemistry, Faculty of Chemistry, Maria Curie Sklodowska University, PL 20031 Lublin, Poland;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
3; 3-dimethylglutarate; DTA; IR spectra; magnetic moments; synthesis; TG;

New complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with 3,3-dimethylglutaric acid

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