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Thermal Electric Polarization of Molecules

机译:分子的热电极化

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摘要

The problem of molecular thermal (P_q) polarization estimation in the substances with different forms of aggregation and using different experimental techniques is discussed. It is shown on the base of numerous experimental data analysis that P_q includes both rotational (P_(rot)) and orientational (P_(or)) components, which may be commensurable in magnitude in gases and gasiform condensed media. The principle of equal distribution of molecules' thermal polarization over their kinetic degrees of freedom is being satisfied, so P_(rot) term should not be neglected. The neglect of this fact on estimation of the molecular dipole moments using the first method of Debye results in ((5/3))~(1/2) or ((4/3))~(1/2) times overestimated dipole moment values.
机译:讨论了具有不同聚集形式和使用不同实验技术的物质中分子热(P_q)极化估计的问题。在大量实验数据分析的基础上,P_q既包含旋转分量(P_(rot)),也包含定向分量(P_(or)),在气体和气态冷凝介质中的大小可以相称。满足了分子热极化在其动力学自由度上的均等分布的原理,因此不应忽略P_(rot)项。在使用第一种德拜方法估算分子偶极矩时忽略了这一事实,导致((5/3))〜(1/2)或((4/3))〜(1/2)倍被高估了力矩值。

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