Affiliation: | 1. Institut für Anorganische Chemie der Universit?t Regensburg, 93040 Regensburg (Germany) http://www.chemie.uni‐regensburg.de/Anorganische_Chemie/Scheer/index.html;2. Department of Chemistry, St. Petersburg State University, University pr. 26, 198504 Old Peterhoff, St. Petersburg (Russia);3. Nikolaev Institute of Inorganic Chemistry Siberian Division of RAS, Acad. Lavrentyev prosp. 3, 630090 Novosibirsk (Russia) |