1. Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Bucharest, Str. Dumbrava Rosie nr. 23, 020464-Bucharest, Romania
2. Department of Chemistry “Ugo Schiff” and INSTM RU University of Florence, 50019 Sesto Fiorentino, Italy
3. Instituto de Química, Universidade Federal Fluminense, 24020-346-Niterói, Rio de Janeiro, Brazil
4. Instituto de Física, Universidade Federal Fluminense, 24210-346-Niterói, Rio de Janeiro, Brazil
5. Faculty of Chemistry and Chemical Technology, Moldova State University, MD-2009-Chisinau, Moldova
6. Instituto de Química, Universidade Federal do Rio de Janeiro, 21941-909-Rio de Janeiro, Brazil