1. H. C. Brown Laboratory, Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
2. Department of Chemistry, Supercomputing Institute, and Chemical Theory Centre, University of Minnesota, Minneapolis, Minnesota 55455, United States
3. Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, and Chicago Center for Theoretical Chemistry, The University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
4. P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
5. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
6. Department of Physics, Florida State University, Tallahassee, Florida 32306, United States
7. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States