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Single-site trinuclear copper oxygen clusters in mordenite for selective conversion of methane to methanol

DOI: 10.1038/ncomms8546 DOI Help

Authors: Sebastian Grundner (TU Munich) , Monica A C Markovits (TU Munich) , Guanna Li (Eindhoven University of Technology) , Moniek Tromp (Southampton University; University of Amsterdam) , Evgeny A. Pidko (Eindhoven University of Technology) , Emiel J M Hensen (Eindhoven University of Technology) , Andreas Jentys (TU Munich) , Maricruz Sanchez-sanchez (TU Munich) , Johannes A. Lercher (TU Munich)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Nature Communications , VOL 6

State: Published (Approved)
Published: June 2015
Diamond Proposal Number(s): 8508

Open Access Open Access

Abstract: Copper-exchanged zeolites with mordenite structure mimic the nuclearity and reactivity of active sites in particulate methane monooxygenase, which are enzymes able to selectively oxidize methane to methanol. Here we show that the mordenite micropores provide a perfect confined environment for the highly selective stabilization of trinuclear copper-oxo clusters that exhibit a high reactivity towards activation of carbon–hydrogen bonds in methane and its subsequent transformation to methanol. The similarity with the enzymatic systems is also implied from the similarity of the reversible rearrangements of the trinuclear clusters occurring during the selective transformations of methane along the reaction path towards methanol, in both the enzyme system and copper-exchanged mordenite.

Subject Areas: Chemistry

Instruments: B18-Core EXAFS