Topological studies of molecular interactions in binary and ternary liquid mixtures containing lactams and isomeric chlorotoluenes

Speeds of sound, u at T/K = 298.15 for (I) 1-methylpyrrolidin-2-one (i) + pyrrolidin-2-one (j) Exptl. () (II) 1-methylpyrrolidin-2-one (i) + o-chlorotoluene (j) Exptl. (); (III) 1-methylpyrrolidin-2-one (i) + m-chlorotoluene (j) Exptl. (); (IV) 1-methylpyrrolidin-2-one (i) + p-chlorotoluene (j) Exptl. (); (V) pyrrolidin-2-one (i) + o-chlorotoluene (j) Exptl. (); (VI) pyrrolidin-2-one (i) + m-chlorotoluene (j) Exptl. (); (VII) pyrrolidin-2-one (i) + p-chlorotoluene (j) Exptl. ().