1. Department of Chemistry: Metalorganics
and Inorganic Materials, Technische Universität Berlin, Strasse des 17.
Juni 135, Sekr. C2, D-10623 Berlin, Germany
2. Department of Inorganic
and Analytical Chemistry, Budapest University of Technology and Economics (BUTE), Szent Gellért tér 4, 1111 Budapest, Hungary
3. Institut für Chemie, Universität Graz, Stremayrgasse 9, 8010 Graz, Austria