Synthesis, Structures, and Magnetic Properties of Three Decanuclear Ln2Cu8 Clusters of Alkylsulfonate
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https://figshare.com/articles/dataset/Synthesis_Structures_and_Magnetic_Properties_of_Three_Decanuclear_Ln_sub_2_sub_Cu_sub_8_sub_Clusters_of_Alkylsulfonate/2409271
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Three isomorphic decanuclear heterometallic 3d–4f Ln2Cu8 clusters, formulated as [Ln2Cu8(μ2-OH)2(μ3-OH)2(ClO4)2(HTMHSA)4(H2O)10]·15H2O (Ln = La (1, La2Cu8); Ln = Gd (2, Gd2Cu8); Ln = Dy (3, Dy2Cu8), H5TMHSA = 3-[N-tris(hydroxymethyl)methylamino]-2-hydroxyprop-anesulfonic acid), were obtained through the reaction of H5TMHSA, Ln(ClO4)3, and Cu(NO3)2·3H2O. The present three Ln2Cu8 compounds are rare examples of alkylsulfonate-based polynuclear 3d–4f clusters. Magnetic studies indicate that the cluster La2Cu8 exhibits antiferromagnetic behavior, Gd2Cu8 displays ferromagnetic behavior and a large magnetocaloric effect at low temperature, while Dy2Cu8 shows slow magnetic relaxation.
创建时间：
2016-02-19
