1. Chemistry Department, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo, Avenida Bandeirantes 3900, 14040-901 Ribeirão Preto, São Paulo, Brazil
2. Pople Computational Chemistry Laboratory, Chemistry Department, Federal University of Sergipe, 49100-000 Aracaju, Sergipe, Brazil
3. São Carlos Institute of Physics, University of São Paulo, Avenida Trabalhador São Carlense 400, 13566-590 São Carlos, São Paulo, Brazil