1. Pitzer Center for Theoretical Chemistry, Department of Chemistry, University of California, Berkeley, California 94720, United States
2. Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department of Chemistry, University of California, Berkeley, California 94720, United States
4. Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, United States
5. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, United States
7. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
8. Department of Chemical & Biomolecular Engineering, University of California, Berkeley, California 94720, United States