1. Departamento de Química, CCEN, Universidade Federal da Paraíba, 58051-900 João Pessoa, Brazil
2. Departamento de Física, Instituto Tecnológico de Aeronáutica, 12.228-900 São José dos Campos, São Paulo, Brazil
3. Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
4. Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, United States
5. Department of Chemistry, Loughborough University, Loughborough LE11 3TU, U.K.