Binuclear metal complexes. XLIV. Crystal structures and magnetic properties of alkoxo-oxygen bridged binuclear copper(II) complexes with 2-(2-(dialkylamino)ethylthio)ethanol.
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概要
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Six binuclear copper(II) complexes with 2-[2-(dialkylamino)ethylthio]ethanol, Cu<SUB>2</SUB>{R<SUB>2</SUB>N(CH<SUB>2</SUB>)<SUB>2</SUB>S(CH<SUB>2</SUB>)<SUB>2</SUB>O}<SUB>2</SUB>X<SUB>2</SUB> (abbreviated as Cu(R-nso)X, where R=CH<SUB>3</SUB>, C<SUB>2</SUB>H<SUB>5</SUB>, <I>n</I>-C<SUB>3</SUB>H<SUB>7</SUB>, <I>n</I>-C<SUB>4</SUB>H<SUB>9</SUB>; X=Cl, Br), were characterized by magnetic susceptibility (80–300 K). The temperature dependence of the magnetic susceptibilities of Cu(C<SUB>2</SUB>H<SUB>5</SUB>-nso)Cl and Cu(<I>n</I>-C<SUB>4</SUB>H<SUB>9</SUB>-nso)Cl can be interpreted by the Bleaney-Bowers equation based on a binuclear structure, while the magnetic data of the other complexes do not obey the Bleaney-Bowers equation. X-Ray structure analyses have revealed that the structures of all the complexes consist of discrete alkoxo-bridged binuclear units, and the coordination geometry of each copper atom is a distorted square pyramid with two oxygen, one sulfur and one chlorine or bromine atoms in the basal plane and a nitrogen atom in the apical position. The major structural difference corresponding to the different magnetic behaviors was attributed to the conformations of the chelate ring (<U>Remark: Graphics omitted.</U>).
- 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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Mikuriya Masahiro
Department Of Chemistry And Open Research Center For Coordination Molecule-based Devices School Of S
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Kida Sigeo
Department of Chemistry Wakayama University
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