Intermolecular interaction studies of binary liquid mixtures of 2-methyl cyclohexanone with o-anisidine/m-anisidine/p-anisidine in terms of thermo-acoustic parameters at different temperatures
In this present investigation, the thermo-acoustic fundamental parameters such as density (ρ) and speed of sound (U) were measured experimentally for the anisidine isomers (2-methoxy aniline, 3-methoxy aniline and 4-methoxy aniline) with solvent agent such as 2-methyl cyclohexanone in various concentrations within temperatures from 303.15 to 313.15K (5K interval) at ambient atmospheric pressure. From these experimentally determined values, various thermo-acoustic parameters of excess isentropic compressibility, K and excess molar volume, V are calculated. The calculated excess functions were correlated with reduced Redlich-Kister polynomial equation and results are analyzed in terms of structural molecular interactions between component molecules. Moreover, calibration of the partial molar volume's and partial isentropic compressibility’s of components shows strong interaction in 2-methyl cyclohexanone + 4-methoxy aniline than any other composites. In addition to the FTIR characteristic spectrum of all combinations at different concentrations gives the more promising features such as interaction behavior that helps our analysis to guide the interactions of individual bonding strength of the molecules.
Anisidine isomers; Redlich-Kister functions; Reduced Redlich-Kister functions; Partial molar volumes; Partial isentropic compressibilities; FT-IR spectrum
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