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Study of the cluster formation in low-temperature systems. Spectral manifestation of resonance dipole–dipole interactions between nondipole polyatomic molecules

机译:研究低温系统中的团簇形成。非偶极多原子分子之间共振偶极-偶极相互作用的频谱表现

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摘要

Resonance dipole–dipole interactions are shown to strongly manifest themselves in fundamental and overtone band shapes of low-temperature systems, consisting of polar and nonpolar molecules as well with a relatively large first derivatives (P′ > 0.3 D) of the dipole moment. The rough model on the basis of the interaction between two non-degenerate, doubly degenerate, and triply degenerate oscillators was developed to study pairs of interacting molecules and clusters in low-temperature condensed systems. The concentration dependences of second- and third-order spectral band moments permitted the number of molecules in clusters to be estimated.
机译:共振偶极–偶极相互作用在低温系统的基波和泛音带形状中表现出强烈的态势,由极性和非极性分子以及偶极矩的较大一阶导数(P'> 0.3 D)组成。基于两个非简并,双重简并和三次简并振荡器之间的相互作用,建立了粗糙模型,以研究低温冷凝系统中成对的相互作用分子和簇。二阶和三阶光谱带矩的浓度依赖性使得可以估计簇中分子的数量。

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