Issue 24, 2019

Halogen bonding in UiO-66 frameworks promotes superior chemical warfare agent simulant degradation

Abstract

Herein, a series of halogenated UiO-66 derivatives was synthesized and analyzed for the breakdown of the chemical warfare agent simulant dimethyl-4-nitrophenyl phosphate (DMNP) to analyze ligand effects. UiO-66-I degrades DMNP at a rate four times faster than the most active previously reported MOFs. MOF defects were quantified and ruled out as a cause for increased activity. Theoretical calculations suggest the enhanced activity of UiO-66-I originates from halogen bonding of the iodine atom to the phosphoester linkage allowing for more rapid hydrolysis of the P–O bond.

Graphical abstract: Halogen bonding in UiO-66 frameworks promotes superior chemical warfare agent simulant degradation

Supplementary files

Article information

Article type
Communication
Submitted
24 Jan 2019
Accepted
21 Feb 2019
First published
21 Feb 2019

Chem. Commun., 2019,55, 3481-3484

Author version available

Halogen bonding in UiO-66 frameworks promotes superior chemical warfare agent simulant degradation

M. Kalaj, M. R. Momeni, K. C. Bentz, K. S. Barcus, J. M. Palomba, F. Paesani and S. M. Cohen, Chem. Commun., 2019, 55, 3481 DOI: 10.1039/C9CC00642G

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