1. Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
2. Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
3. Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, United States
4. National High Magnetic Field Laboratory, 1800 E Paul Dirac Dr, Tallahassee, Florida 32310, United States