Guest-dependent bond flexibility in UiO-66, a “stable” MOF

Kevin Fabrizio; Anastasia B. Andreeva; Kentaro Kadota; Amanda J. Morris; Carl K. Brozek

doi:10.1039/D2CC05895B

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Guest-dependent bond flexibility in UiO-66, a “stable” MOF†

Kevin Fabrizio,

^a Anastasia B. Andreeva,^a Kentaro Kadota,^a Amanda J. Morris

^b and Carl K. Brozek

*^a

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* Corresponding authors

^a Department of Chemistry and Biochemistry, Material Science Institute, University of Oregon, Eugene, OR 97403, USA
E-mail: cbrozek@uoregon.edu

^b Department of Chemistry, Virginia Tech, Blacksburg, VA 24060, USA

Abstract

We report “flexibility constants”—a conceptual analog to metal–ligand stability constants—of UiO-66, the prototypical “stable” MOF, across a wide temperature range in both vacuum and in the presence of typical guest solvents. With these data, we extract key thermodynamic parameters governing the reversible bond equilibrium and demonstrate that guest molecules strongly favor the reversible dissociation of MOF metal–linker bonds.

This article is part of the themed collection: 2022 Emerging Investigators

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DOI: https://doi.org/10.1039/D2CC05895B
Article type: Communication
Submitted: 01 Nov 2022
Accepted: 09 Jan 2023
First published: 13 Jan 2023

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Chem. Commun., 2023,59, 1309-1312

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Guest-dependent bond flexibility in UiO-66, a “stable” MOF

K. Fabrizio, A. B. Andreeva, K. Kadota, A. J. Morris and C. K. Brozek, Chem. Commun., 2023, 59, 1309 DOI: 10.1039/D2CC05895B

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Chemical Communications

Guest-dependent bond flexibility in UiO-66, a “stable” MOF†

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