1. Inorganic Chemistry Laboratory Faculty of Chemistry University of Bucharest Str. Dumbrava Rosie nr. 23 020464 Bucharest Romania
2. Moldova State University Faculty of Chemistry and Chemical, Technology Chişinău 2009-Chisinau Moldova
3. Department of Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 55128 - Mainz Germany
4. Coordination and Supramolecular Chemistry Laboratory “Ilie Murgulescu” Institute of Physical Chemistry Romanian Academy Splaiul Independentei 202 Bucharest 060021 Romania
5. Universidade Federal Fluminense Instituto de Química 24020-346-Niterói Rio de Janeiro Brazil