A Polarographic Study of Bis(benzoylacetonato)nickel(II) in Dimethyl Sulfoxide
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概要
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The chemical equilibria of bis(benzoylacetonato)nickel(II) in dimethyl sulfoxide solutions were investigated, mainly by means of d.c. polarography. In 0.05–0.1 mol dm<SUP>－3</SUP> NaClO<SUB>4</SUB>, TMAP, and TBAP solutions, the following chemical equilibria were found: Ni(bi-bzac)<SUB>2</SUB>\rightleftharpoonsNi(bi-bzac)(uni-bzac)\rightleftharpoonsNi(bi-bzac)<SUP>+</SUP>\rightleftharpoonsNi(uni-bzac)<SUP>+</SUP> where bi- and uni- are the abbreviations of bidentate and unidentate respectively. The species of Ni(bi-bzac)<SUB>2</SUB> and Ni(bi-bzac)(uni-bzac) comprised 35% and 57% respectively of the total complex of 1 mmol dm<SUP>－3</SUP> in a TMAP or TBAP solution, while they accounted for 15% and 77% respectively in a NaClO<SUB>4</SUB> solution. Such a difference in the equilibrium distribution was explained on the basis of the interaction between π electrons of the ligand and cations of the supporting electrolytes. The tris-complex was formed by the addition of excess benzoylacetonate to the complex solution.
- 日本化学会の論文
著者
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Mogi Iwao
Department Of Chemistry Faculty Of Science Kyoto University
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Tanaka Nobuyuki
Department Of Botany Kochi Prefectural Makino Botanical Garden
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Mogi Iwao
Department of Chemistry, Faculty of Science, Yamagata University
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Kudo Setsuko
Department of Chemistry, Faculty of Science, Yamagata University
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Iwase Akio
Department of Chemistry, Faculty of Science, Yamagata University
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