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An Unprecedented Two-Fold Nested Super-Polyrotaxane: SulfateDirected Hierarchical Polythreading Assembly of Uranyl Polyrotaxane Moieties
Mei L(梅雷); Wu QY(吴群燕); Yuan LY(袁立永); Wang L(王琳); An SW(安树文); Xie ZN(谢珍妮); Hu KQ(胡孔球); Chai ZF(柴之芳); Shi WQ(石伟群); Mei, L; Wu, QY; Yuan, LY; Wang, L; An, SW; Xie, ZN; Hu, KQ; Chai, ZF; Burns, PC; Shi, WQ
刊名CHEMISTRY-A EUROPEAN JOURNAL
2016
卷号22期号:32页码:11329
关键词actinides polythreading rotaxanes supramolecular chemistry uranium
DOI10.1002/chem.201601506
通讯作者石伟群
文章类型Article
英文摘要The hierarchical assembly of well-organized submoieties could lead to more complicated superstructures with intriguing properties. We describe herein an unprecedented polyrotaxane polythreading framework containing a two-fold nested super-polyrotaxane substructure, which was synthesized through a uranyl-directed hierarchical polythreading assembly of one-dimensional polyrotaxane chains and two-dimensional polyrotaxane networks. This special assembly mode actually affords a new way of supramolecular chemistry instead of covalently linked bulky stoppers to construct stable interlocked rotaxane moieties. An investigation of the synthesis condition shows that sulfate can assume a vital role in mediating the formation of different uranyl species, especially the unique trinuclear uranyl moiety [(UO2)(3)O(OH)(2)](2+), involving a notable bent [O=U=O] bond with a bond angle of 172.0(9)degrees. Detailed analysis of the coordination features, the thermal stability as well as a fluorescence, and electrochemical characterization demonstrate that the uniqueness of this super-polyrotaxane structure is mainly closely related to the trinuclear uranyl moiety, which is confirmed by quantum chemical calculations.
关键词[WOS]METAL-ORGANIC FRAMEWORKS ; MECHANICALLY INTERLOCKED LINKERS ; SIZED MOLECULAR BOX ; SUPRAMOLECULAR CHEMISTRY ; ROTAXANE FRAMEWORKS ; COORDINATION POLYMERS ; STRUCTURAL CHEMISTRY ; SELF-ORGANIZATION ; BUILDING-BLOCK ; SOLID-STATE
语种英语
WOS记录号WOS:000382918700032
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/261064
专题院士_期刊论文
中国科学院高能物理研究所_多学科研究中心
中国科学院高能物理研究所_中国散裂中子源
作者单位中国科学院高能物理研究所
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GB/T 7714
Mei L,Wu QY,Yuan LY,et al. An Unprecedented Two-Fold Nested Super-Polyrotaxane: SulfateDirected Hierarchical Polythreading Assembly of Uranyl Polyrotaxane Moieties[J]. CHEMISTRY-A EUROPEAN JOURNAL,2016,22(32):11329.
APA 梅雷.,吴群燕.,袁立永.,王琳.,安树文.,...&Shi, WQ.(2016).An Unprecedented Two-Fold Nested Super-Polyrotaxane: SulfateDirected Hierarchical Polythreading Assembly of Uranyl Polyrotaxane Moieties.CHEMISTRY-A EUROPEAN JOURNAL,22(32),11329.
MLA 梅雷,et al."An Unprecedented Two-Fold Nested Super-Polyrotaxane: SulfateDirected Hierarchical Polythreading Assembly of Uranyl Polyrotaxane Moieties".CHEMISTRY-A EUROPEAN JOURNAL 22.32(2016):11329.
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