Synthesis and Crystal Structure of a New Pr(Ⅲ)–K(Ⅰ) Heterometallic Oxalate Coordination Polymer |
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引用本文: | 洪东风,殷党跃,王俊儒,代江坤.Synthesis and Crystal Structure of a New Pr(Ⅲ)–K(Ⅰ) Heterometallic Oxalate Coordination Polymer[J].结构化学,2014,33(11):1636-1642. |
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作者姓名: | 洪东风 殷党跃 王俊儒 代江坤 |
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作者单位: | [1]College of Science, Northwest A &F University, Yangling 712100, China; [2]College of Chemistry and Chemical Engineering,Luoyang Normal University, Luoyang 471022, China |
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基金项目: | supported by the National Natural Science of Foundation of China(No.31270388) |
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摘 要: | A new 3D heterometallic coordination polymer, namely K2Pr2(C2O4)4·H2O]n(1), has been successfully synthesized under hydrothermal conditions. X-ray single-crystal diffraction determination reveals that 1 crystallizes in monoclinic system, space group P21/n with a = 12.060(4), b = 8.493(3), c = 15.776(5)(A), β = 93.235(3)°, V = 1613.4(9) 3, Z = 4, Mr = 730.12, Dc = 3.006 Mg/m3, μ = 6.581 mm-1, F(000) = 1368, the final R = 0.0283 and w R = 0.0866 for 2939 observed reflections with I 2σ(I). Complex 1 features an unusual 3D heterometallic coordination framework, in which oxalates exhibit three different coordination behaviours. Moreover, powder X-ray diffraction and thermal properties for 1 have also been investigated.
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关 键 词: | 异金属配位聚合物 草酸盐 晶体结构 合成 X射线单晶衍射 粉末X射线衍射 异核 水热条件 |
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