1. Contribution from the Steacie Institute for Molecular Sciences, National Research Council of Canada, K1A 0R6, Ottawa, Canada, Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, Division of Science and Mathematics, University of Minnesota, Morris, Minnesota 56267, Istituto CNR di Scienze e Tecnologie Molecolari, via C. Golgi 19, 20133 Milano, Italy, Department of Organic Chemistry, University of Málaga, Campus de Teatinos s/n, Málaga 29071, Spain, and Department of Physical...