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

Chemical Communications : Chem Comm
Xue-Song WuZhong-Min Su

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.

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Citations

Nov 2, 2019·Chemical Communications : Chem Comm·Xue YangDavid Bardelang
Jan 23, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Xue-Song WuZhong-Min Su
Sep 22, 2020·Chemical Society Reviews·Xuan ZhangOmar K Farha
Dec 13, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Yingjie ZhangGang Wei
Jun 18, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Xue-Song WuZhong-Min Su

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Methods Mentioned

BETA
X-ray
NMR

Software Mentioned

PLATON

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