title: Comment on "Computational investigation of SO3-NH3-nXn (n = 0-3; X = F, Cl) interactions".
authors.affiliation: Dipartimento di Chimica Generale ed Organica Applicata, Università degli Studi di Torino, C.so M. D' Azeglio, 48, 10125 Torino, Italy.
authors.forename: Paola
authors.initials: P
authors.lastname: Antoniotti
authors.forename: Stefano
authors.initials: S
authors.lastname: Borocci
authors.forename: Felice
authors.initials: F
authors.lastname: Grandinetti