1. HRL Laboratories, LLC, 3011 Malibu Canyon Road, Malibu, California90265, United States
2. Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois60637, United States
3. Computational Science Division, Argonne National Laboratory, Lemont, Illinois60439, United States
4. Center for Nanoscale Materials, Argonne National Laboratory, Lemont, Illinois60439, United States
5. Argonne National Laboratory, Lemont, Illinois60439, United States