1. European Synchrotron Radiation Facility, Grenoble 38043, France
2. Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
3. Department of Chemistry & Chemical Biology, McMaster University, Hamilton, Ontario L8S 4M1, Canada
4. Department of Chemical Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada