1. Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil
2. Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, São Paulo, Brazil
3. Department of Chemistry and Physics, Federal University of Paraíba, 58397-000 Areia, Paraiba, Brazil
4. Department of Chemistry, Southern Methodist University, 75275-0314 Dallas, Texas, United States
5. Physics Department and CICECO─Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
6. Institute of Physics, Federal University of Goiás, 74690-900 Goiânia, Goiás, Brazil
7. Institute of Inorganic Chemistry, Christian-Albrechts University of Kiel, 24118 Kiel, Germany