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首页> 外文期刊>Russian Journal of Physical Chemistry >Structure of alcohol cluster ions in the gas phase, according to spectrometry and ab initio calculations
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Structure of alcohol cluster ions in the gas phase, according to spectrometry and ab initio calculations

机译:根据光谱和AB初始计算,气相中的醇簇离子结构

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Reduced ion mobility and scattering cross sections are calculated from experimentally obtained spectra of the ion mobility of linear aliphatic alcohols with carbon atom numbers from 2 to 9. A linear increase in the scattering cross sections as the molecular weight grows is found. According to the results from experiments and quantum chemical calculations, alcohol cluster ions do not form a compact structure. Neither are dipole moments compensated for during dimerization, in contrast to the aldehydes and ketones described earlier. It was concluded from ab initio calculations that charge delocalization in monomeric and dimeric ions of alcohols increases the dipole moment many times over.
机译:从实验获得的离子迁移率和散射横截面计算,从实验获得的线性脂族醇的离子迁移率的光谱,其中碳原子数为2至90.发现散射横截面的线性增加,因为分子量增长。 根据实验和量子化学计算的结果,醇簇离子不形成紧凑的结构。 与前面描述的醛和酮相反,偶极子矩也不补偿偶极子矩。 从AB Initio计算得出结论,其中醇单体和二聚体中的临床化的临床化增加了多次偶极力矩。

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