Fluoro-Bridged Clusters in Rare-Earth Metal–Organic Frameworks
- 22 October 2021
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 143 (43), 17995-18000
- https://doi.org/10.1021/jacs.1c10493
Abstract
The modulator 2-fluorobenzoic acid (2-fba) is widely used to prepare RE clusters in metal–organic frameworks (MOFs). In contrast to known RE MOF structures containing hydroxide bridging groups, we report for the first time the possible presence of fluoro bridging groups in RE MOFs. In this report we discuss the synthesis of a holmium-UiO-66 analogue as well as a novel holmium MOF, where evidence of fluorinated clusters is observed. The mechanism of fluorine extraction from 2-fba is discussed as well as the implications that these results have for previously reported RE MOF structures.Keywords
Funding Information
- Welch Foundation (AT-1153)
- CONTEX (2019-21A)
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