1. Interdisciplinary Center for Scientific Computing, Heidelberg University, D-69120 Heidelberg, Germany
2. Q-Chem Inc., 6601 Owens Dr, Suite 105, Pleasanton, California 94588, United States
3. Pitzer Center for Theoretical Chemistry, University of California, Berkeley, South Dr, Berkeley, California 94720, United States
4. Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, California 94720, United States
5. Institute for Physical and Theoretical Chemistry, University of Bremen, Leobener Str. NW2, D-28359 Bremen, Germany
6. Bremen Center for Computational Materials Science, University of Bremen, Am Fallturm 1, D-28359 Bremen, Germany
7. MAPEX Center for Materials and Processes, University of Bremen, Bibliothekstr. 1, D-28359 Bremen, Germany