The thermo-physical parameters like density, ultrasonic velocity and viscosity have been experimentally measured for the ternary liquid mixtures of 1-pentanol with N,N dimethyl formamide (N,N-DMF) / o-methoxy phenol or 2-methoxy phenol (OMP) / m-methoxy phenol or 3-methoxy phenol (MMP) in n-hexane medium at various temperatures like 303 K, 308 K and 313 K. Certain acoustical and thermodynamic parameters such as cohesive energy, available volume, viscous relaxation time, Lennard Jones potential, free energy of activation, Gibb’s free energy and entropy are calculated from the experimental data. The variation of these parameters with respect to different concentrations ranging from 0.001 M to 0.01 M at different temperatures viz. 303 K, 308 K and 313 K and at fixed frequency of 2 MHz for the three ternary systems namely OMP + 1-pentanol+n-hexane, N,N-DMF+ 1-pentanol+n-hexane and MMP + 1-pentanol+n-hexane have been discussed in terms of molecular interactions under the influence of ultrasonic sound. The role of thermodynamic parameters in the stability of the charge transfer complexes and the hydrogen bonded complexes are predicted.

中文翻译：

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使用超声波技术研究 1-戊醇在正己烷溶液中与各种有机化合物的一些三元体系的声学和热力学特性

已经通过实验测量了 1-戊醇与 N,N-二甲基甲酰胺 (N,N-DMF) / 邻甲氧基苯酚或 2-甲氧基苯酚 (OMP) 的三元液体混合物的密度、超声速度和粘度等热物理参数) / 间甲氧基苯酚或 3-甲氧基苯酚 (MMP) 在正己烷介质中在 303 K、308 K 和 313 K 等各种温度下。某些声学和热力学参数，例如内聚能、可用体积、粘性弛豫时间、Lennard从实验数据计算琼斯势、活化自由能、吉布自由能和熵。这些参数在不同温度下随不同浓度范围从 0.001 M 到 0.01 M 的变化，即。303 K、308 K 和 313 K 以及三个三元系统（即 OMP + 1-戊醇 + 正己烷、N、N-DMF+1-戊醇+正己烷和MMP+1-戊醇+正己烷已经在超声波影响下的分子相互作用方面进行了讨论。预测了热力学参数在电荷转移配合物和氢键配合物稳定性中的作用。