Issue 23, 2022

The missing MIL-101(Mn): geometrically guided synthesis and topologically correlated valence states

Abstract

Mixed-valence manganese complexes are of special interest in biocatalysis and magnetism research. Nevertheless, when including manganese clusters into metal–organic frameworks (MOFs), several issues such as valence control, phase selectivity, etc. were usually encountered, hence limiting the discovery of Mn MOFs. The long-sought MIL-101(Mn), a missing piece of the famous MIL-101 (Al, Sc, Ti, V, Cr, Fe) family, has finally been synthesized through a unique, controllable geometrically guided approach, different from the well-developed kinetically modulating approach. It is the first time that the single-crystal structure of a MIL-101 material has been determined by X-ray diffraction. Surprisingly, it is revealed that MIL-101(Mn) exhibits an emergent phenomenon of topologically correlated mixed-valence states, which are characterized by XPS and magnetic measurements. Moreover, the metastable Mn(III) species therein show enzymatic catalytic activity under mild conditions.

Graphical abstract: The missing MIL-101(Mn): geometrically guided synthesis and topologically correlated valence states

Supplementary files

Article information

Article type
Research Article
Submitted
03 sep 2022
Accepted
14 okt 2022
First published
15 okt 2022

Inorg. Chem. Front., 2022,9, 6124-6132

The missing MIL-101(Mn): geometrically guided synthesis and topologically correlated valence states

Y. Xiao, M. Li, J. Chen, X. Lian, Y. Huang and X. Huang, Inorg. Chem. Front., 2022, 9, 6124 DOI: 10.1039/D2QI01894B

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