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杂多酸离子电荷导向的银(Ⅰ)与含桥式配位的2,2′-联吡啶配合物的自组装 被引量:1

Polyoxometalate Charge directed Self-assembly of Ag(Ⅰ)Complexes Containing Unusual 2,2′-Bipyridine Acting as a Bridging Ligand
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摘要 水热条件下合成了2,2′-联吡啶(2,2′-bipyridine=2,2′-bipy)与Ag(I)及PW12O403-,SiW12O404-形成的配合物{[Ag3(2,2′-bipy)4(PW12O40)]·2H2O}n(1),{[Ag4(2,2′-bipy)6](SiW12O40)}n(2)和{[Ag2(2,2′-bipy)3]2(SiW12O40)}n(3).通过元素分析和红外光谱、X-射线单晶衍射对其组成和结构进行了表征.晶体结构分析结果表明:产物的结构是由多酸离子的电荷调控的;并发现这3种配合物中都存在2,2′-bipy的桥式配位模式;本研究详细总结和探讨了2,2′-bipy的桥式配位模式存在的体系及其可能原因. Three complexes,{ [Ag3 (2,2'-bipy) 4 (PW12 O40)]· 2H2O}n (1),{ [Ag4 (2,2'bipy) 6] (SiW12O40) }n (2) and { [Ag2 (2,2'-biPy) 3]2 (SiW12 O40) }n (3) (2,2'-bipyridine =2,2'-bipy) were synthesized under hydrothermal condition.The complexes were characterized by elemental analysis,IR spectra and X-ray single crystal diffraction.Single-crystal X-ray diffraction analysis reveals that the complexes all containing unusual 2,2'-bipy acting as a bridging ligand and their structures were controlled by the charge of polyoxometalate.The possible causes of 2,2'-bipy acting as a bridging ligand are also discussed in detail.
出处 《厦门大学学报(自然科学版)》 CAS CSCD 北大核心 2013年第6期802-812,共11页 Journal of Xiamen University:Natural Science
基金 国家自然科学基金项目(21071119)
关键词 2 2'-联吡啶 桥式配位 多酸离子电荷导向 自组装 晶体结构 2,2 '-bipyridine, bridging ligand polyoxometalate charge-directed self-assembly crystal structure
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