Single Crystal Electron Spin Resonance Spectra of Magnetically Dilute Copper(II) Ion in Some Five-coordinate Adducts of Zinc(II) β-Diketonate Complexes
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概要
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The single crystal ESR spectra of some five-coordinate adducts of copper(II)-doped zinc(II) β-diketonate complexes [Cu/Zn(acac)<SUB>2</SUB>H<SUB>2</SUB>O], [Cu/Zn(acac)<SUB>2</SUB>γ-pic], [Cu/Zn(bzac)<SUB>2</SUB>MeOH], and [Cu/Zn(bzac)<SUB>2</SUB>py] (acac=acetylacetone anion, bzac=benzoylacetone anion, py=pyridine, γ-pic=γ-picoline, MeOH=methanol) were measured at room temperature. The principal values of the <I>g</I> tensor and <I>A</I> tensor of <SUP>63</SUP>Cu were calculated. The single crystal <I>g</I>-values of all the adducts suggested a <I>d</I><SUB><I>x</I><SUP>2</SUP>−<I>y</I><SUP>2</SUP></SUB> ground state for the approximately square-based pyramidal structure, and were found to be consistent with crystallographic data. In the single crystals of [Cu/Zn(acac)<SUB>2</SUB>H<SUB>2</SUB>O] and [Cu/Zn(bzac)<SUB>2</SUB>py], two magnetic centers were determined, this being the first time for them to have been found by ESR study.
- 公益社団法人 日本化学会の論文
著者
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MISUMI Seizo
Inorganic Chemistry Laboratory, Faculty of Science, Kushu University
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Isobe Toshiyuki
Inorganic Chemistry Laboratory, Faculty of Science, Kyushu University
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Sugiyama Kuniyoshi
Inorganic Chemistry Laboratory, Faculty of Science, Kyushu University
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