Synthesis and Crystal Structure of a New Noble Metal-containing Supramolecular Self-assembly with Decamethylcucurbit[5]uril

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摘要 A new supramolecular self-assembly [Li(H2O)2]2[(H2O@Me10CB[5])][PtCl6]·7H2O(1, Me10CB[5] = decamethylcucurbit[5]uril), has been successfully constructed with Me10CB[5] and [PtCl6]2- anion in the presence of lithium cation (Li+). Single-crystal X-ray diffraction study reveals that compound 1 crystallizes in monoclinic space group P21/n with a = 11.1681(18), b = 28.5425(4), c = 18.9342(3) Å, β = 99.0143(15)°, V = 5961.02(16) Å3, Z = 4, F(000) = 3224, μ = 2.714 mm-1, R = 0.0470 and wR = 0.1076 (I > 2σ(I)). In the supramolecular self-assembly, two of the portal carbonyl oxygen atoms of Me10CB[5] are coordinated to Li+ cation, yielding a “half-open” molecular capsule. Then adjacent molecular capsules are connected with each other through hydrogen-bonding to form a one-dimensional (1D) supramolecular chain structure. The [PtCl6]2- anions are fixed on one side of the 1D supramolecular chain through supramolecular interactions. The thermal stability, electronic valence and morphology of compound 1 are also investigated.

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	陈茹茹
	杨炜光
	曹敏纳
	李红芳

关键词 ： decamethylcucurbit[5]uril, noble metal, supramolecular self-assembly, crystal structure

Abstract：A new supramolecular self-assembly [Li(H2O)2]2[(H2O@Me10CB[5])][PtCl6]·7H2O(1, Me10CB[5] = decamethylcucurbit[5]uril), has been successfully constructed with Me10CB[5] and [PtCl6]2- anion in the presence of lithium cation (Li+). Single-crystal X-ray diffraction study reveals that compound 1 crystallizes in monoclinic space group P21/n with a = 11.1681(18), b = 28.5425(4), c = 18.9342(3) Å, β = 99.0143(15)°, V = 5961.02(16) Å3, Z = 4, F(000) = 3224, μ = 2.714 mm-1, R = 0.0470 and wR = 0.1076 (I > 2σ(I)). In the supramolecular self-assembly, two of the portal carbonyl oxygen atoms of Me10CB[5] are coordinated to Li+ cation, yielding a “half-open” molecular capsule. Then adjacent molecular capsules are connected with each other through hydrogen-bonding to form a one-dimensional (1D) supramolecular chain structure. The [PtCl6]2- anions are fixed on one side of the 1D supramolecular chain through supramolecular interactions. The thermal stability, electronic valence and morphology of compound 1 are also investigated.

Key words： decamethylcucurbit[5]uril noble metal supramolecular self-assembly crystal structure

收稿日期: 2019-05-05 出版日期: 2020-03-12

基金资助:Financial support from the National Key R&D Program of China (2017YFA0206800, 2016YFB0600903), the NSFC(21573238, 21571177, 21520102001), Key Research Program of Frontier Science, CAS (QYZDJ-SSW-SLH045) and “Strategic Priority Research Program” of the Chinese Academy of Sciences (XDB20000000)

通讯作者: mncao@fjirsm.ac.cn E-mail: mncao@fjirsm.ac.cn

引用本文:

陈茹茹;杨炜光;曹敏纳;李红芳. Synthesis and Crystal Structure of a New Noble Metal-containing Supramolecular Self-assembly with Decamethylcucurbit[5]uril[J]. 结构化学, 2020, 39(3): 535-542.
CHEN Ru-Ru;YANG Wei-Guang;CAO Min-Na;LI Hong-Fang. Synthesis and Crystal Structure of a New Noble Metal-containing Supramolecular Self-assembly with Decamethylcucurbit[5]uril. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2020, 39(3): 535-542.

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http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2020/V39/I3/535

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