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Coordination supramolecular assemblies of a monohydroxycucurbit[7]uril and their potential applications in gas sorption

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Abstract

Coordination supramolecular assemblies of monohydroxycucurbit[7]uril ((HO)Q[7]) with alkaline earth metal ions (AE2+) have been formed in aqueous HCl solution in the presence of tetrachloride cadmium anions ([CdCl4]2−) as a structure directing agent. The driving force for the assembly could be attributed to the interaction of the positive electro-potential outer-surface of (HO)Q[7] molecules with [CdCl4]2− anions and ionic dipole interaction of the hydroxyl of (HO)Q[7] molecules with [CdCl4]2− anions. Moreover, the porous structure of the (HO)Q[7]/AE2+-based coordination supramolecular assemblies could result in potential applications in the selective sorption of polar volatile organic molecules, which may be useful in molecular sieves, sensors, absorption and separation.

Graphical abstract: Coordination supramolecular assemblies of a monohydroxycucurbit[7]uril and their potential applications in gas sorption

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Publication details

The article was received on 10 Sep 2017, accepted on 02 Jan 2018 and first published on 02 Jan 2018


Article type: Paper
DOI: 10.1039/C7DT03361C
Citation: Dalton Trans., 2018, Advance Article
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    Coordination supramolecular assemblies of a monohydroxycucurbit[7]uril and their potential applications in gas sorption

    R. H. Gao, Z. Hua, K. Chen, J. Xu, Q. Zhu, Z. Tao and J. Zhao, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C7DT03361C

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