a
Department of Chemistry, “Sapienza” University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
E-mail: l.galantini@caspur.it
;
Fax: +39 06490631
;
Tel: +39 0649913687
b
Division of Physical Chemistry, Center for Chemistry and Chemical Engineering, Lund University, SE-221 00 Lund, Sweden
c
Department of Physics and CNISM, “Sapienza” University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy