1. Department of Chemistry, University of California, Berkeley, California 94720, United States
2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
4. Fritz Haber Center for Molecular Dynamics, Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
5. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
6. The Raymond and Beverly Sackler Center of Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv 69978, Israel