1. Department of Chemistry Federal University of Parana Centro Politecnico, Jardim das Americas 81530-900 Curitiba-PR Brazil
2. Department of Chemistry “U. Schiff” and INSTM UdR Firenze University of Florence Via della Lastruccia 3–13 50019 Sesto Fiorentino Italy
3. Department of Chemistry University of Turin Via Giuria 7 10125 Torino Italy
4. Laboratory for Nonlinear Spectroscopy University of Florence Via Nello Carrara 1 50019 Sesto Fiorentino Italy
5. Department of Physics and Astrophysics University of Florence Via G.Sansone 1 50019 Sesto Fiorentino Italy
6. ICCOM-CNR via Madonna del Piano 10 50019 Sesto Fiorentino Italy