首页> 外文期刊>Russian Journal of Physical Chemistry >Ultrasonic studies on molecular interactions in N-phenyl-3-(pyridin-4-yl) prop-2-enamide solutions in ethanol at 303, 308, 313 K
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Ultrasonic studies on molecular interactions in N-phenyl-3-(pyridin-4-yl) prop-2-enamide solutions in ethanol at 303, 308, 313 K

机译:在303、308、313 K的乙醇中N-苯基-3-(吡啶-4-基)丙-2-酰胺溶液中分子相互作用的超声研究

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摘要

The density, viscosity and ultrasonic velocity of N-phenyl-3-(pyridin-4-yl) prop-2-enamide in a solution of ethanol have been studied with different concentrations at 303, 308, and 313 K temperatures. Various acoustical parameters such as adiabatic compressibility (beta(ad)), intermolecular free length (L-f ), relaxation time (t), free volume (V-f ), internal pressure (Pi(i) ), acoustic impedance (Z), attenuation (a/f (2)), Rao's constant (R), Wada's constant, molar volume (V-m ), cohesive energy (CE), of these solutions were computed from the experimental velocity, viscosity and density measurements. The variations of these properties with concentration provided the information about molecular interactions like effect of solute on the solute-solvent and solvent-solvent interactions. These parameters furnished the information about the nature of solute and its impact on the solvent structure.
机译:研究了在303、308和313 K温度下,N-苯基-3-(吡啶-4-基)丙-2-烯酰胺在乙醇溶液中的密度,粘度和超声速度。各种声学参数,例如绝热压缩率(beta(ad)),分子间自由长度(Lf),弛豫时间(t),自由体积(Vf),内部压力(Pi(i)),声阻抗(Z),衰减( a / f(2)),这些饶溶液的饶常数(R),和田常数,摩尔体积(Vm),内聚能(CE)是根据实验速度,粘度和密度测量得出的。这些性质随浓度的变化提供了有关分子相互作用的信息,例如溶质对溶质-溶剂和溶剂-溶剂相互作用的影响。这些参数提供了有关溶质性质及其对溶剂结构的影响的信息。

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