Thermodynamics of binary liquid mixtures: application of the Prigogine–Flory–Patterson theory to excess molar volumes of acetonitrile+1-alkanol systems

Application of Prigogine–Flory–Patterson theory to excess molar volume and speed of sound of 1-n-butyl-3-methylimidazolium hexafluorophosphate or 1-n-butyl-3-methylimidazolium tetrafluoroborate in methanol and acetonitrile

“…The j T values for MeCN and MeOH have been reported in some of the studied temperatures in the literature [19], which have good agreement with their calculated values from equation (12). Gu …”

“…In recent years, PFP theory (which is applied to both nonpolar and polar molecules present in the mixtures) has been successfully used for theoretical analysis of the excess thermodynamic functions of binary liquid mixtures [16,19,20,27]. In this paper, we have applied PFP theory for prediction of the V E values of four binary (ionic liquid + MeCN or MeOH) systems at T = (298.15 to 318.15) K. According to PFP theory, V E is presented as the sum of three contributions: an interactional contribution V E ðint.Þ , a free volume one V E ðfv.Þ and that of internal pressure contribution V E ðP ÃÞ .…”

“…In this paper, we have applied PFP theory for prediction of the V E values of four binary (ionic liquid + MeCN or MeOH) systems at T = (298.15 to 318.15) K. According to PFP theory, V E is presented as the sum of three contributions: an interactional contribution V E ðint.Þ , a free volume one V E ðfv.Þ and that of internal pressure contribution V E ðP ÃÞ . The following form of the PFP theory has been used to estimate V E values in the present study [19]:…”

“…The Prigogine-Flory-Patterson (PFP) theory has been widely used to analyze excess thermodynamic properties such as excess molar volume V E , excess molar enthalpy H E and excess isentropic compressibility j E s for different kinds of mixtures including polar components [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29]. In this theory, excess thermodynamic properties of liquid mixtures are related to macroscopic properties of the pure components.…”

Experimental (solid+liquid) phase equilibria of (alkan-1-ol+benzonitrile), (amine+benzonitrile) binary mixtures, and (decan-1-ol+decylamine+benzonitrile) ternary mixtures

“…known from the literature [1][2][3][4][5]. The molar excess volumes, V E m [7][8][9][10][11][12][13][14][15][16][17] and molar excess enthalpies, H E m [18,19] for (alkan-1-ol + acetonitrile) systems were presented previously. The molar excess volumes, V E m for [alkan-1-ol (methanol, ethanol, propan-1-ol) + benzonitrile] are all relatively small and negative (lower than 0.4 cm 3 mol −1 ) indicating small structural effects, are not symmetric and have minima occurring near x(alkan-1-ol) = 0.6 [20].…”