1. Inorganic Chemistry Research Group, Chemical Physics, Center for Chemistry and Chemical Engineering, Lund University, Box 124, 22100 Lund, Sweden, http://www.chemphys.lu.se/people/nordlander/
2. Laboratory of Inorganic Chemistry, Department of Chemistry, University of Helsinki, P. O. Box 55, 00014 Helsinki, Finland, http://www.helsinki.fi/kemia/epaorgaaninen/
3. Department of Chemistry, University of Jyväskylä, Box 35, 40014 Jyvaskylä, Finland
4. Institute for Inorganic Chemistry, Georg‐August‐Universität, Tammanstrasse 4, 37077 Göttingen, Germany
5. Institute of Problems of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Moscow District, Russia