1. Department of Chemistry, University of Cyprus, 1678 Nicosia, Cyprus
2. Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
3. Department
of Chemistry, University of Patras, Patras 26504, Greece
4. Department de Química Inorgànica
and Institut de Recerca de Química Teòrica i Computacional, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain
5. Department of Chemistry, University of North Florida, Jacksonville, Florida 32224, United States