Acoustic, volumetric and FTIR study of binary liquid mixtures of 2-methyl cyclohexanone with amides

Densities, speeds of sound, and viscosities at various temperatures were determined for the systems: 2-methylcyclohexanone (2-MCYH) + formamide (F), N-methylformamide (NMF) and N, N-dimethylformamide (DMF). From the experimental results, Excess molar volume V-m(E), Excess isentropic compressibility k(s)(E), deviation in viscosity Delta eta and excess, Gibbs energy pf activation of viscous flow G*(E), Excess partial molar properties at infinite dilution (V) over bar (m,1)degrees(E), (V) over bar (m,2)degrees(E) , K s m i and (K) over bar (s,m,2)degrees(E) were calculated. There is evidence of complex formation between unlike molecules. FT-IR properties have been carried out to study the specific interaction, such as the formation of the hydrogen bond between unlike molecules in the binary liquid mixtures, a good agreement is observed among the excess parameters and FT-IR spectroscopic properties. (C) 2020 Elsevier Ltd.

Automated summary

The study found evidence of complex formation between unlike molecules, with FT-IR properties showing hydrogen bond formation between unlike molecules and good agreement among excess parameters and FT-IR spectroscopic properties.