A DFT Study of Dimethyl Ether Carbonylation on Mordenite Dominik Bjørn Rasmussen1, Burcin Temel2, Poul Georg Moses2, Jakob M. Christensen1, Jan Rossmeisl1, Anders Riisager1 and Anker D. Jensen1, (1)Technical University of Denmark, Denmark, (2)Haldor Topsøe A/S, Denmark.