1. Department of Chemistry and Biochemistry and Center for Nano- and Molecular Science, The University of Texas at Austin, Austin, Texas 78712, Laboratory for Chemistry of Novel Materials, University of Mons-Hainaut, B-7000 Mons, Belgium, Department of Chemistry, The University of Arizona, Tucson, Arizona 85721-0041, and Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005, School of Chemistry and Biochemistry, Georgia Institute of Technology,...