1. Institute of Chemistry of OrganoMetallic
Compounds, ICCOM-CNR and INSTM Consortium, 50019 Sesto F.no, Florence, Italy
2. Department of Chemistry, University of Florence, 50019 Sesto F.no, Florence,
Italy
3. LENS − European Laboratory for Nonlinear Spectroscopy, 50019 Sesto F.no,
Italy