Three-Dimensional 3d−4f Polymers Containing Heterometallic Rings: Syntheses, Structures, and Magnetic Properties
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https://figshare.com/articles/dataset/Three_Dimensional_3d_4f_Polymers_Containing_Heterometallic_Rings_Syntheses_Structures_and_Magnetic_Properties/2980894
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资源简介：
Two novel three-dimensional (3D) 3d−4f mixed complexes [Ln(H2O)4][Ni2TTHA(SCN)2]·H3O+ [Ln = Pr (1), Ce (2); H6TTHA =
triethylenetetraaminehexaacetic acid], based on the building
blocks of [Ni2TTHA(SCN)2]4-, were synthesized and characterized
by X-ray crystal diffraction and magnetic properties. The single-crystal structures show that these complexes form a 3D framework,
comprised of an unusual infinite one-dimensional chain based on
heterometallic Ln2Ni2 rings. The temperature-dependent magnetic
susceptibilities were analyzed by an approximate model, leading
to g = 2.06. Δ = 2.83, zJ‘ = −0.6 cm-1 for complex 1 and g =
2.07, Δ = 1.00, zJ‘ = −0.5 cm-1 for complex 2.
创建时间：
2007-10-15
