Synthesis of Fluoro-Bridged Ho3+ and Gd3+ 1,3,5-Tris(4-carboxyphenyl)benzene Metal–Organic Frameworks from Perfluoroalkyl Substances

A new fluoro-bridged rare-earth (RE) metal–organic framework consisting of 15-connected nonanuclear and 9-connected trinuclear clusters {[RE9-(μ3-F)14(H2O)6]­[RE3(μ3-F)­(H2O)3]­(HCO2)3-(BTB)6}·(solvent)­x 2 (RE = Ho3+ and Gd3+) was synthesized through the transformation of a dimeric complex formulat...

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Bibliographic Details
Published in:Inorganic chemistry 2023-03, Vol.62 (10), p.4314-4321
Main Authors: Sheybani, Simin, Abbas, Muhammad, Firouzi, Hamid R., Xiao, Zhifeng, Zhou, Hong-Cai, Balkus, Kenneth J.
Format: Article
Language:English
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Summary:A new fluoro-bridged rare-earth (RE) metal–organic framework consisting of 15-connected nonanuclear and 9-connected trinuclear clusters {[RE9-(μ3-F)14(H2O)6]­[RE3(μ3-F)­(H2O)3]­(HCO2)3-(BTB)6}·(solvent)­x 2 (RE = Ho3+ and Gd3+) was synthesized through the transformation of a dimeric complex formulated as bis­(2,2′-bipyridine)­tetrakis­(μ-2-fluorobenzoato-O,O′)-bis­(2-fluorobenzoato)­diRE­(III) 1 with the bridging linker 1,3,5-tris­(4-carboxyphenyl)­benzene (H3BTB). The rare-earth metal ions Ho3+ and Gd3+ were also found to remove fluorine from other organo-fluorine compounds such as perfluorohexanoic acid (PFHxA) and perfluorooctanoic acid (PFOA), resulting in the new fluoro-bridged RE-MOFs.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.2c04470