1. Contribution from the Department of Chemistry, University of Idaho, Moscow, Idaho, 83844-2343, Institute for Physical and Theoretical Chemistry, University of Tuebingen, D-72076, Tuebingen, Germany, Gerhard-Mercator-University GHS Duisburg, Institute for Synthesechemie, Lotharstrasse 1, D-47057, Duisburg, Germany, Inorganic Chemistry Institute, University of Muenster, Wilhelm-Klemm-Strasse 8, D-48149, Muenster, Germany, and Institute of Inorganic and Physical Chemistry, University of Bremen, D-28334,...