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首页> 外文期刊>Australian Journal of Chemistry: A Journal for the Publication of Original Research in All Branches of Chemistry >Crystal Structures and Magnetic or Photolumincsccnt Properties of Copper(II) and Zinc(II)-5-SulfoisophthaIate Coordination Polymers
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Crystal Structures and Magnetic or Photolumincsccnt Properties of Copper(II) and Zinc(II)-5-SulfoisophthaIate Coordination Polymers

机译:铜(II)和锌(II)-5-磺基磺酸盐配位聚合物的晶体结构和磁或光致发光性质

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{[Cu4(μ3-OH)2(SIP)2(imz)2]·(H2O)2}_n (1) and {[Zn3(μ2-OH2)2(SIP)2(phen)3(H2O)3]·(H2O)5}_n (2) were obtained under hydrothermal conditions (SIP = 5-sulfoisophthalate, imz = imidazole, and phen=1,10-phenanthroline). Compound 1 features a novel 3D network based on tetranuclear [Cu4(μ3-OH)2] secondary building unit; its topological structure is similar to that of rutile. Compound 2 is a 1D zigzag chain containing dinuclear [Zn2(μ2-OH2)2(phen)2] and mononuclear [Zn(phen)(H2O)] units. Variable-temperature magnetic studies reveal the existence of dominant ferromagnetic interactions within the tetranuclear copper(II) cluster in compound 1. Further magnetic measurements indicate that compound 1 has the zero-field splitting parameters D = -0.29 cm~(-1) and E = 0.00052 cm~(-1), and g = 2.11 based on S_T=2. Compound 2 exhibits a blue fluorescence emission band at 458 nm on excitation at 391 nm, with a lifetime of 5.78 ns.
机译:{[Cu4(μ3-OH)2(SIP)2(imz)2]·(H2O)2} _n(1)和{[Zn3(μ2-OH2)2(SIP)2(phen)3(H2O)3在水热条件下(SIP = 5-磺基间苯二甲酸酯,imz =咪唑,和phen = 1,10-菲咯啉)获得]·(H2O)5} _n(2)。化合物1具有基于四核[Cu4(μ3-OH)2]二级构建单元的新型3D网络;它的拓扑结构类似于金红石。化合物2是包含双核[Zn2(μ2-OH2)2(phen)2]和单核[Zn(phen)(H2O)]单元的一维锯齿形链。变温磁研究表明化合物1的四核铜(II)团簇中存在主要的铁磁相互作用。进一步的磁测量表明化合物1具有零场分裂参数D = -0.29 cm〜(-1)和E = 0.00052 cm〜(-1),基于S_T = 2,g = 2.11。化合物2在391 nm激发时在458 nm处显示蓝色荧光发射带,寿命为5.78 ns。

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