1. Center for Chemical, Pharmaceutical and Food Sciences, Universidade Federal de Pelotas, Pelotas, SC 88040-900, Brazil
2. SLAC National Accelerator
Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
3. Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
4. Department of Physics, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil