1. Ion Cyclotron Resonance Program, National High Magnetic Field Laboratory, Florida State University, 1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005, Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, and National Centre for Upgrading Technology, 1 Oil Patch Drive, Devon, Alberta T9G 1A8, Canada