1. Department of Physical Chemistry, University of Campinas, Institute of Chemistry, 13083-872, Campinas, Brazil
2. Galembetech Consultores e Tecnologia, 13080-661, Campinas, Brazil
3. Department of Chemistry and Environmental Sciences, São Paulo State University (Unesp), 15054-000, São José do Rio Preto, Brazil
4. Department of Fundamental Chemistry, Federal University of Pernambuco, 50740-560, Recife, Brazil