1. National High Magnetic Field Laboratory, Florida State University, 1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005
2. IFP-Lyon, CEDI Rene Navarre, BP3, Vernaison 69390, France
3. Department of Chemistry and Biochemistry, Florida State University, 95 Chieftain Way, Tallahassee, Florida 32306