1. Department of Chemistry, Kenneth S. Pitzer Center for Theoretical Chemistry, University of California Berkeley, and Lawrence Berkeley National Laboratory, Chemical Sciences Division, University of California, Berkeley, CA, USA
2. Theoretische Chemie, Institut für Chemie, Universität Potsdam, Potsdam, Germany
3. Laboratoire de Chimie Théorique, UPMC Univ Paris 06, UMR 7616, Sorbonne Universités, Paris, France
4. Laboratoire de Chimie Théorique, CNRS, UMR 7616, Paris, France