Binuclear metal complexes. XXIV. Synthesis and magnetism of binuclear cobalt(II) complexes in mixed-spin state.
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概要
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Binuclear cobalt(II) complexes, Co<SUB>2</SUB>(fsaR)(py)<SUB>3</SUB> and Co<SUB>2</SUB>(fsaR)MeOH·1/2H<SUB>2</SUB>O with 3-formylsalicylic aciddiamine SchifF bases, H<SUB>4</SUB>fsaR (R=en, pn, bn, ch, and ph), were prepared and characterized. Mixed-spin states of these complexes were demonstrated by the cryomagnetic measurements and no spin-exchange interaction was observed between high-spin and low-spin cobalt(II) ions. The absence of spin-exchange interaction in these complexes was discussed on the basis of the electronic configuration of the low-spin cobalt(II) ion and in comparison with the antiferromagnetic Cu(II)–Co(II) (<I>s</I>=3⁄2) complexes with the same ligands.
- 公益社団法人 日本化学会の論文
著者
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Okawa Hisashi
Department Of Chemistry Faculty Of Science Kyushu University
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Kida Sigeo
Department of Chemistry Wakayama University
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OKAWA Hisashi
Department of Chemistry, Faculty of Science, Kyushu University
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Torihara Naoyuki
Department of Chemistry, Faculty of Science, Kyushu University
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