1. Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611-7200, Department of Chemistry, Florida State University, Tallahassee, Florida 32310, Pacific Northwest National Laboratory, P.O. Box 999, MS P7-07, Richland, Washington 99352, National High Magnetic Field Laboratory, 1800 East Paul Dirac Drive, Tallahassee, Florida 32310, and Ames LaboratoryU.S. Department of Energy, Department of Chemistry, Iowa State University, Ames, Iowa 50011