Control over catenation in pillared paddlewheel metal-organic framework materials via solvent-assisted linker exchange

Wojciech Bury, David Fairen-Jimenez, Marianne B. Lalonde, Randall Q. Snurr, Omar K. Farha, Joseph T. Hupp

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Control over catenation in a pillared paddlewheel metal-organic framework was achieved via solvent-assisted linker exchange. The linker exchange was demonstrated on the noncatenated structure of DO-MOF, by using 4,4′-bipyridine (L4) and 4,4′-azobis(pyridine) (L5) as linkers, leading to noncatenated materials SALEM-3 and SALEM-4. The de novo synthesized analogues of SALEM-3 and SALEM-4 can only be obtained as 2-fold interpenetrated frameworks. The reaction progress of the linker exchange was monitored by NMR spectroscopy, and structure and framework catenation were characterized by powder X-ray diffraction and thermogravimetric methods.

Original languageEnglish
Pages (from-to)739-744
Number of pages6
JournalChemistry of Materials
Issue number5
Publication statusPublished - Mar 12 2013



  • SALE
  • catenation
  • linker exchange
  • metal-organic frameworks

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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