1. Department of Chemistry, University of California, Berkeley, CA, USA
2. Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Leipzig, Germany
3. Fritz-Haber-Institut der Max-Plank-Gesellschaft, Berlin, Germany
4. Institute of Chemistry and the Fritz Haber Center for Molecular Dynamics, The Hebrew University, Jerusalem, Israel
5. Department of Chemistry, University of California, Irvine, CA, USA
6. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA