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Issue 11, 2013
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An rht type metal–organic framework based on small cubicuboctahedron supermolecular building blocks and its gas adsorption properties

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Abstract

A metal–organic framework NPC-5 was synthesized via reaction of a methyl-functionalized ligand 2,4,6-trimethyl benzene-1,3,5-triyl-isophthalate (TMBTI) with Co(NO3)2·6(H2O) under solvothermal conditions. The steric hindrance induced by the methyl groups on the central phenyl ring led to a non-planar configuration of the ligand and further resulted in a small cubicuboctahedron SBB sustained (3, 24)-connected rht network, which comprised three types of cages and exhibited high porosity. Experimental results showed that despite the use of different synthetic methods the same structure was obtained. Gas sorption study of this MOF revealed high CO2 and CH4 uptake capacities and relatively low adsorption enthalpies.

Graphical abstract: An rht type metal–organic framework based on small cubicuboctahedron supermolecular building blocks and its gas adsorption properties

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Publication details

The article was received on 28 Jun 2013, accepted on 14 Aug 2013 and first published on 14 Aug 2013


Article type: Paper
DOI: 10.1039/C3NJ00700F
Citation: New J. Chem., 2013,37, 3662-3670

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    An rht type metal–organic framework based on small cubicuboctahedron supermolecular building blocks and its gas adsorption properties

    L. Li, S. Tang, X. Lv, M. Jiang, C. Wang and X. Zhao, New J. Chem., 2013, 37, 3662
    DOI: 10.1039/C3NJ00700F

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