Crystal Structure of a Supramolecular Complex Built up from Molybdenum(II) Trifluoroacetate and Copper(II) Schiff-Base Components, [{CuLt-Bu}2{Mo2(O2CCF3)4}3(H2O)2]n, H2Lt-Bu = 2,3-bis((5-tert-butyl-2-hydroxybenzylidene)amino)-2,3-butenedinitrile

IF 0.1 Q4 CRYSTALLOGRAPHY
M. Handa, H. Kamada, D. Yoshioka, I. Hiromitsu, K. Kasuga, M. Mikuriya
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引用次数: 0

Abstract

There has been much interest for the use of tetracarboxylato dimetal complexes with a lantern-like structure as building blocks in combination with bridging ligands to construct two or three-dimensional architectures, because they show remarkable properties, such as gas-occlusion and ferrior ferromagnetism.1–3 Here, we report on a new assembled complex, [{CuL}2 {Mo2(O2CCF3)4}3(H2O)2] (1), H2L = 2,3-bis((5-tert-butyl-2hydroxybenzylidene)amino)-2,3-butenedinitrile. The copper(II) complex with a Schiff-base ligand ([CuLt-Bu]) is paramagnetic, based on the d9 configuration, although the lantern-type dinuclear molybdenum(II) complex is diamagnetic based on the σ2π4δ2 configuration of the Mo–Mo quadruple bond core. The phenoxido oxygen of [CuLt-Bu] was shown to participate in the axial interaction with the molybdenum(II) dinuclear core to assemble the component complex units, giving the supramolecular chain structure (Fig. 1).
由三氟乙酸钼(II)和铜(II)席夫碱组分构建的超分子配合物的晶体结构[{CuLt-Bu}2{Mo2(O2CCF3)4}3(H2O)2]n,H2Lt-Bu=2,3-双((5-叔丁基-2-羟基亚苄基)氨基)-2,3-丁二腈
人们对使用具有灯笼状结构的四羧酸二金属配合物作为构建块,与桥接配体结合构建二维或三维结构非常感兴趣,因为它们显示出显著的性质,如气体闭塞和铁磁性。1-3在这里,我们报道了一种新的组装配合物[{CuL}2{Mo2(O2CCF3)4}3(H2O)2](1),H2L=2,3-双((5-叔丁基-2-羟基亚苄基)氨基)-2,3-丁二腈。具有席夫碱配体([CuLt-Bu])的铜(II)络合物是顺磁性的,基于d9构型,尽管灯笼型双核钼(II)配合物是基于Mo–Mo四键核的σ2π4δ2构型的反磁性。[CuLt-Bu]的苯氧基参与与钼(II)双核核的轴向相互作用,组装组分络合物单元,形成超分子链结构(图1)。
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来源期刊
CiteScore
0.60
自引率
50.00%
发文量
17
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