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Issue 20, 2012
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A new series of isoreticular copper-based metal–organic frameworks containing non-linear linkers with different group 14 central atoms

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Abstract

The synthesis and characterization of two new metal–organic frameworks (MOFs) UHM-2 and UHM-4, which are isoreticular to PCN-12 and UHM-3 (see Inorg. Chem., 2009, 48, 6559), are presented. Both materials comprise dicopper paddle-wheel units and the new tetracarboxylic acid linkers 5,5′-(propane-2,2-diyl)diisophthalic acid and 5,5′-(dimethylgermanediyl) diisophthalic acid, respectively. In addition, isoreticular mixed-linker MOFs were synthesized with the silicon- and germanium containing linkers. UHM-2 to -4 constitute a homologous series allowing a systematic study on how the incorporation of atoms with higher polarizability in linkers may enhance the overall hydrogen uptake of MOFs. The experimental work is complemented by dispersion-corrected DFT calculations on C2v conformers of model systems representing the linkers of these MOFs.

Graphical abstract: A new series of isoreticular copper-based metal–organic frameworks containing non-linear linkers with different group 14 central atoms

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Publication details

The article was received on 28 Oct 2011, accepted on 27 Jan 2012 and first published on 09 Mar 2012


Article type: Paper
DOI: 10.1039/C2JM15523K
Citation: J. Mater. Chem., 2012,22, 10294-10302
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    A new series of isoreticular copper-based metal–organic frameworks containing non-linear linkers with different group 14 central atoms

    S. E. Wenzel, M. Fischer, F. Hoffmann and M. Fröba, J. Mater. Chem., 2012, 22, 10294
    DOI: 10.1039/C2JM15523K

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