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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >The Vibrational Spectrum of the Neutral (H_2O)_6 Precuresor to the 'Magic' (H_2O)_6~- Cluster Anion by Argon-Mediated, Population-Modulated Electron Attachment Spectroscopy
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The Vibrational Spectrum of the Neutral (H_2O)_6 Precuresor to the 'Magic' (H_2O)_6~- Cluster Anion by Argon-Mediated, Population-Modulated Electron Attachment Spectroscopy

机译：中子（H_2O）_6前体到“魔术”（H_2O）_6〜-团簇阴离子的振动光谱，通过氩介导的人口调制电子附着光谱法

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摘要

A new technique is introduced for the acquisition of size-selected neutral cluster spectra on the basis of argon-mediated, population-modulated electron attachment. This method is demonstrated and used to obtain the vibrational spectrum of the neutral water hexamer precursor to the (H_2O)_6~- cluster ion. The mid-infrared spectrum of the neutral species is dominated by four intense features above 3400 cm~(-1), clearly indicating that significant structural rearrangements occur upon slow electron attachment to form the "magic" hexamer cluster anion. Comparison with previous spectroscopic reports and theoretical predictions indicates that the low-energy "book" isomer is most consistent with the observed band pattern and is suggested to be the species that captures a low-energy electron to form the hexamer anion.
机译：引入了一种新技术，用于在氩介导的，人口调制的电子附着的基础上，获取尺寸选定的中性团簇光谱。该方法被证明并用于获得中性水六聚体前体对（H_2O）_6〜-簇离子的振动光谱。中性物质的中红外光谱以3400 cm〜（-1）以上的四个强烈特征为主，清楚地表明，缓慢的电子附着形成“魔术”六聚体簇阴离子时，会发生明显的结构重排。与以前的光谱报告和理论预测的比较表明，低能“书”异构体与观察到的能带图谱最一致，并被认为是捕获低能电子以形成六聚体阴离子的物质。

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