Observation of Magic Numbers within NO/NH_3 Mixed Cluster Ions

Dong Nam Shin; Robert L. DeLeon; James F. Garvey

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Observation of Magic Numbers within NO/NH_3 Mixed Cluster Ions

机译：NO / NH_3混合簇离子中幻数的观测

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The metastable decomposition of photoionized NO/NH_3 clusters has been investigated employing a reflectron time-of-flight mass spectrometer. The metastable dissociation spectra of the most prominent cluster ion species NO~+(NH_3)_n (3 ≤ n ≤ 28) show that the rate coefficient for the loss of one NH_3 molecule from the cluster rapidly increases up to n = 13 and thereafter is nearly independent of the cluster size. This is interpreted as evidence of a stable structure that consists of a central NO~+ ion surrounded by a first solvation shell of 12 NH_3 molecules.

机译：已经使用反射电子飞行时间质谱仪研究了光电离的NO / NH_3团簇的亚稳态分解。最突出的簇离子物种NO〜+（NH_3）_n（3≤n≤28）的亚稳态解离谱表明，一个NH_3分子从簇中损失的速率系数迅速增加，直至n = 13，此后为几乎与群集大小无关。这被解释为稳定结构的证据，该结构由被12个NH_3分子的第一个溶剂化壳包围的中心NO〜+离子组成。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |1998年第40期|共7页
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Dong Nam Shin; Robert L. DeLeon; James F. Garvey;
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中图分类物理化学（理论化学）、化学物理学;
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Observation of Magic Numbers within NO/NH_3 Mixed Cluster Ions

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