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Issue 17, 2020
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Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal–organic frameworks

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Abstract

Metal–organic frameworks (MOFs) gain increasing interest due to their outstanding properties like extremely high porosity, structural variability, and various possibilities for functionalization. Their overall structure is usually determined by diffraction techniques. However, diffraction is often not sensitive for subtle local structural changes and ordering effects as well as dynamics and flexibility effects. Solid-state nuclear magnetic resonance (ssNMR) spectroscopy is sensitive for short range interactions and thus complementary to diffraction techniques. Novel methodical advances make ssNMR experiments increasingly suitable to tackle the above mentioned problems and challenges. NMR spectroscopy also allows study of host–guest interactions between the MOF lattice and adsorbed guest species. Understanding the underlying mechanisms and interactions is particularly important with respect to applications such as gas and liquid separation processes, gas storage, and others. Special in situ NMR experiments allow investigation of properties and functions of MOFs under controlled and application-relevant conditions. The present minireview explains the potential of various solid-state and in situ NMR techniques and illustrates their application to MOFs by highlighting selected examples from recent literature.

Graphical abstract: Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal–organic frameworks

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Article information


Submitted
07 Feb 2020
Accepted
05 Apr 2020
First published
06 Apr 2020

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2020,11, 4297-4304
Article type
Minireview

Solid-state NMR spectroscopy: an advancing tool to analyse the structure and properties of metal–organic frameworks

E. Brunner and M. Rauche, Chem. Sci., 2020, 11, 4297 DOI: 10.1039/D0SC00735H

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