1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
2. Department of Physics and National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
3. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
4. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States