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Zeitschrift für Kristallographie - Crystalline Materials

Editor-in-Chief: Pöttgen, Rainer

Ed. by Antipov, Evgeny / Bismayer, Ulrich / Boldyreva, Elena V. / Huppertz, Hubert / Petrícek, Václav / Tiekink, E. R. T.

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SUMOF-5: a mesoporous metal-organic framework with the tbo topology built from the dicopper paddle-wheel cluster and a new tritopic linker

Qingxia Yao
  • Stockholm University, Berzelii Center EXSELENT on Porous Materials and, Stockholm, Schweden
/ Jie Su
  • Stockholm University, Berzelii Center EXSELENT on Porous Materials and, Stockholm, Schweden
/ Xiaodong Zou

Abstract

A mesoporous metal-organic framework Cu3(PTB)2(H2O)3 · guest (denoted as SUMOF-5) has been synthesized using a new tritopic linker pyridine-2,4,6-tribenzoic acid (H3PTB). SUMOF-5 is cubic with the space group Fm-3m and a = 47.272(3) Å. The framework is built of the dicopper paddle-wheel secondary building unit (SBU) [Cu2(OOC)4(H2O)2] and contains two different äcavities of 1.22 and 2.33 nm in diameter, respectively. The framework topology follows the (3,4)-connected tbo net, and can be regarded as an extended version of Cu3(BTC)2(H2O)3 · guest (HKUST-1, BTC = benzene tricarboxylate). The structure of SUMOF-5 is compared to other MOFs built from dicopper paddle-wheels and tritopic linkers. SUMOF-5 has permanent porosity with a Langmuir surface area of 1733 m2/g and is stable in various organic solvents, which makes this material potentially useful as a crystalline carrier for loading molecular catalysts or drugs.

This article offers supplementary material which is provided at the end of the article.

Keywords: Alcohol sorption; Coordination polymers; Crystal structure; HKUST-1; Porous materials

* Correspondence address: Stockholm University, Berzelii Center EXSELENT on Porous Materials, Dep. of Materials and Environmental Chemistry, SE-106 91 Stockholm, Schweden,


Published in Print: 2013-07-01


Citation Information: Zeitschrift für Kristallographie - Crystalline Materials. Volume 228, Issue 7, Pages 323–329, ISSN (Print) 2194-4946, DOI: https://doi.org/10.1524/zkri.2013.1629, July 2013

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