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A New Bimetallic Ferrimagnet ([Mn<sub>2</sub><sup>II</sup>(H<sub>2</sub>O)<sub>2</sub>(CH<sub>3</sub>COO)][Mo<sup>V</sup>(CN)<sub>8</sub>]·2H<sub>2</sub>O)<sub>n</sub> and Its Antiferromagnetic Analogue ([Mn<sub>2</sub><sup>II</sup>(H<sub>2</sub>O)<sub>3</sub>Cl][Mo<sup>V</sup>(CN)<sub>8</sub>]·4H<

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The reaction between Cs3[Mo(CN)8]·2H2O and MnCl2·4H2O gives two new cyano-bridged bimetallic compounds of ([Mn2II(H2O)2(CH3COO)][MoV(CN)8]·2H2O)n (1) and ([Mn2II(H2O)3Cl][MoV(CN)8]·4H2O)n (2) in different conditions. The magnetic behaviors of these complexes have been investigated, indicating that 1 is a ferrimagnet with an ordering temperature of about 6 K and that for 2 there is antiferromagnetic coupling between the paramagnetic ions in the system.

二水合八氰合钼(V)酸铯(Cs₃[Mo(CN)₈]·2H₂O)与四水合氯化锰(II)(MnCl₂·4H₂O)在不同反应条件下发生反应,可得到两种新型氰基桥联双金属配合物:([Mn₂²⁺(H₂O)₂(CH₃COO)][Moᵛ(CN)₈]·2H₂O)ₙ(编号为1)与([Mn₂²⁺(H₂O)₃Cl][Moᵛ(CN)₈]·4H₂O)ₙ(编号为2)。已对这两种配合物的磁学行为展开研究,结果显示配合物1为亚铁磁体,其磁有序温度约为6 K;配合物2的体系中,顺磁离子之间存在反铁磁耦合作用。

创建时间:
2008-10-01
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