1. Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vass. Constantinou Ave., Athens 116 35, Hellas, School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST), Nomi, Ishikawa 923 1292, Japan, PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan, Chemistry Department, Laboratory of Bioinorganic Chemistry, University of Crete, PO Box 2208, Heraklion 710 03, Crete, Hellas, and Fundamental...