1. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
2. Departamento de Química Física, Universidad de Sevilla, c/Prof. García González, s/n, 41012 Sevilla, Spain
3. Department of Chemistry, Panjab University, Chandigarh 160014, India
4. Faculty of Chemistry, Wroclaw University, 14 F. Joliot Curie Str., 50-383 Wroclaw, Poland
5. Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Via Saragat 1, I-44122 Ferrara, Italy