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Synthesis and catalytic properties of MIL-100(Fe), an iron(III) carboxylate with large pores

The large-pore iron(III) carboxylate MIL-100(Fe) with a zeotype architecture has been isolated under hydrothermal conditions, its structure solved from synchrotron X-ray powder diffraction data, while Friedel–Crafts benzylation catalytic tests indicate a high activity and selectivity for MIL-100(Fe). | View Online / Journal Homepage / Table of Contents for this issue COMMUNICATION www.rsc.org/chemcomm | ChemComm Synthesis and catalytic properties of MIL-100(Fe), an iron(III) carboxylate with large pores{ Patricia Horcajada,a Suzy Surble´,a Christian Serre,*a Do-Young Hong,b You-Kyong Seo,b Jong-San Chang,b Jean-Marc Grene`che,c Irene Margiolakid and Ge´rard Fe´reya Downloaded by Stanford University on 25 July 2012 Published on 15 May 2007 on http://pubs.rsc.org | doi:10.1039/B704325B Received (in Cambridge, UK) 21st March 2007, Accepted 1st May 2007 First published as an Advance Article on the web 15th May 2007 DOI: 10.1039/b704325b The large-pore iron(III) carboxylate MIL-100(Fe) with a zeotype architecture has been isolated under hydrothermal conditions, its structure solved from synchrotron X-ray powder diffraction data, while Friedel–Crafts benzylation catalytic tests indicate a high activity and selectivity for MIL-100(Fe). The recent interest in the synthesis of hybrid inorganic–organic solids gives a new dimension to the domain of porous compounds.1–4 They offer significant new scientific and technological opportunities5 by combining attractive features of both inorganic and organic moieties and lead to many potential applications in gas storage,6,7 catalysis,8,9 insertion,10,11 magnetism,12,13 optical devices,14 etc. Most of them are prepared using functionalized organic ligand (phosphonates, carboxylates, sulfonates.) and many elements in the Periodic Table have been incorporated in these new framework materials exhibiting novel structures not seen in zeolite chemistry. The introduction of 3d transition metals within the skeleton provides new electronic properties. Among them, iron is an environmentally benign and cheap component with non-toxicity and redox properties. However, to the best of our knowledge, while some MOF materials have been reported to date with iron(II) or iron(III),15–20 only two of them combine a permanent porosity and .