1. Department of Chemistry, Institute of Exact Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
2. Department of Physics, Institute of Exact Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
3. Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
4. Institute of Physics, University of São Paulo, São Carlos, São Paulo 13560-160, Brazil
5. Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg Am Hubland, 97074 Würzburg, Germany