1. Institute of Chemistry, Federal University of Bahia, Campus Ondina, Salvador, Bahia 40170-115, Brazil
2. Institute of Physics, Federal University of Bahia, Campus Ondina, Salvador, Bahia 40170-115, Brazil
3. Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
4. Department of Chemistry and Physics, Mississippi State University, Mississippi State, Mississippi 39762, United States