1. Department of Chemistry & Biochemistry, Florida State University, Tallahassee, FL 32306, USA
2. National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA
3. Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260-3000, USA
4. Department of Chemistry & Biochemistry, University of Windsor, Windsor, ON, N9B 3P4, Canada