1. Department
of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska
St. 64, 01601 Kyiv, Ukraine
2. Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg University of Mainz, Staudingerweg 9, D-55099 Mainz, Germany
3. Institute of Inorganic Chemistry, Georg August University of Göttingen, Tammannstr. 4, D-37077 Göttingen, Germany
4. Department
of Chemistry, University of Jyväskylä, PO Box 35, FI-40014 Jyväskylä, Finland