1. Department of Biotechnology Chemistry and Pharmacy University of Siena Via A. Moro 2 53100 Siena Italy
2. Chemistry and Pharmacy Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
3. Chemistry and Pharmacy CSGI, Consorzio per lo Sviluppo dei Sistemi a Grande Interfase 50019 Sesto Fiorentino Italy
4. Chemistry and Pharmacy European Laboratory for Non‐linear Spectroscopy (LENS) Via N. Carrara 1 50019 Sesto Fiorentino Italy
5. Chemistry and Pharmacy National Institute of Optics (CNR‐INO) Largo E. Fermi 6 50125 Florence Italy
6. Department of Chemistry Chemistry and Pharmacy University of Perugia Via Elce di Sotto 8 06123 Perugia Italy
7. Department of Chemistry “U. Schiff” Chemistry and Pharmacy University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy