1. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
2. Department of Physics, University of California, Berkeley, California 94720, United States
3. Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
4. Department of Chemistry, Stanford University, Stanford, California 94305, United States
5. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
6. Kavli Energy Nanosciences Institute at Berkeley, Berkeley, California 94720, United States