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Issue 43, 2018
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Guest exchange in a porous cucurbit[6]uril-based metal–organic rotaxane framework probed by NMR and X-ray crystallography

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Abstract

The first CB[6]-based 3D porous metal–organic rotaxane framework is constructed by the reaction of CuCl2, terephthalic (H2BDC) and CB[6]-based [2]pseudorotaxanes ([PR44]2+·2[PF6]) under solvothermal conditions. The structure of MORF-1 is a pillared-layer structure with 5-connected sqp topology, in which the effective free volume is 45.4% of the crystal volume. The guest molecules exchange in a single-crystal-to-single-crystal fashion, which was investigated using NMR spectroscopy and X-ray crystallography.

Graphical abstract: Guest exchange in a porous cucurbit[6]uril-based metal–organic rotaxane framework probed by NMR and X-ray crystallography

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Publication details

The article was received on 10 Apr 2018, accepted on 02 May 2018 and first published on 03 May 2018


Article type: Communication
DOI: 10.1039/C8CC02847H
Chem. Commun., 2018,54, 5474-5477

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    Guest exchange in a porous cucurbit[6]uril-based metal–organic rotaxane framework probed by NMR and X-ray crystallography

    X. Wu, X. Wang, F. Zhu, H. Bao, C. Qin and Z. Su, Chem. Commun., 2018, 54, 5474
    DOI: 10.1039/C8CC02847H

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