1. National
Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, China
2. Department
of Chemistry, Chemical Theory Center, and Minnesota Supercomputing
Institute, University of Minnesota, Minnesota 55455-0431, United States
3. King Abdullah University of Science and Technology (KAUST), Clean Combustion Research Center (CCRC), Thuwal, 23955-6900, Saudi Arabia