1. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo n. 2, 166 10 Prague, Czech Republic, V. Čermák Laboratory, J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague, Czech Republic, Laboratoire de Chimie Physique, Bât. 350, UMR 8000, Centre Universitaire Paris-Sud, 91405 Orsay Cedex, France, and Institut für Chemie der Technischen Universität Berlin, Strasse des 17. Juni 135, D-10623 Berlin,...