1. DTU Chemistry, Department of Chemistry, Technical University of Denmark, Kongens Lyngby DK-2800, Denmark
2. Department of Chemistry, University of California, Berkeley, California 94720, United States
3. Q-Chem Incorporated, 6601 Owens Drive, Suite 105, Pleasanton, California 94588, United States
4. Department of Chemistry, University of Southern California, Los Angeles, California 90089-0482, United States