Inorganic Chemistry
Inorganic Chemistry
5 years ago

Multifunctional Metal–Organic Frameworks Based on Redox-Active Rhenium Octahedral Clusters

Multifunctional Metal–Organic Frameworks Based on Redox-Active Rhenium Octahedral Clusters
Yulia M. Litvinova, Yakov M. Gayfulin, Yuri V. Mironov, Jan van Leusen, Vladimir P. Fedin, Denis G. Samsonenko, Konstantin A. Kovalenko, Ilya V. Korolkov
Multicomponent metal−organic frameworks constructed from Gd3+ ions, furan-2,5-dicarboxylate (fdc) or thiophene-2,5-dicarboxylate (tdc), and [Re6Se8(CN)6]4−/3− cluster anions were synthesized and investigated. Permanently porous frameworks [{Gd(H2O)3}2(L)Re6Se8(CN)6]·nH2O demonstrate red photoluminescence from rhenium cluster units, the paramagnetic behavior typical for Gd3+ ions and, after activation, impressive volumetric CO2 uptakes and very high adsorption selectivity of CO2/N2 gas mixtures. The cluster anion may act as a redox center, making the frameworks capable of reversible chemical redox transitions.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b02974

DOI: 10.1021/acs.inorgchem.7b02974

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