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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Assembling 1D magnetic chain based on octacyanotungstate(v) and [Cu _2L_2Ln] sub-building units (Ln = Eu, Gd, Tb and Dy)
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Assembling 1D magnetic chain based on octacyanotungstate(v) and [Cu _2L_2Ln] sub-building units (Ln = Eu, Gd, Tb and Dy)

机译:基于八环非钨酸盐(v)和[Cu _2L_2Ln]子结构单元(Ln = Eu,Gd,Tb和Dy)组装一维磁链

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摘要

Reaction of (NBu_3H)_3[W(CN)_8]·H _2O and linear trinuclear complexes [Cu~(II) _2L _2Ln~(III)(NO_3)_3] (L = 2,6-di(acetoacetyl)pyridine, Ln = Eu (1), Gd (2), Tb (3) and Dy (4)) leads to the formation of four one-dimensional (1D) complexes. Single crystal X-ray analysis reveals that [W(CN)_8]~(3-) bridges between the [Cu~(II) _2L_2Ln~(III)] sub-building units to construct the alternative chains. Magnetic investigation indicates that ferromagnetic interaction occurred between all paramagnetic ions and the slow magnetic relaxation properties were observed in complexes 3 and 4.
机译:(NBu_3H)_3 [W(CN)_8]·H _2O与线性三核配合物[Cu〜(II)_2L _2Ln〜(III)(NO_3)_3](L = 2,6-二(乙酰乙酰基)吡啶, Ln = Eu(1),Gd(2),Tb(3)和Dy(4))导致形成四个一维(1D)配合物。单晶X射线分析表明,[W(CN)_8]〜(3-)在[Cu〜(II)_2L_2Ln〜(III)]子结构单元之间架桥以构建替代链。磁性研究表明,所有顺磁性离子之间都发生了铁磁相互作用,并且在配合物3和4中观察到了慢磁弛豫特性。

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