1. School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, Centre de Recherche Paul Pascal, CNRS, Universite de Bordeaux I, Avenue A. Schweitzer, F-33600 Pessac, France, FOMInstitute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands, Laboratoire de Chemie Organique du Fluor, Universite De Nice-Sophia Antipolis, F-06108 Nice Cedex 2, France, Naval Research Laboratory, Code 6900, Center for Biomolecular Science and Engineering, Washington, D.C....