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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Migrations and Catalytic Action of Water Molecules in the Ionized Formamide-(H2O)(2) Cluster
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Migrations and Catalytic Action of Water Molecules in the Ionized Formamide-(H2O)(2) Cluster

机译:离子甲酰胺 - (H2O)(2)簇中水分子的迁移和催化作用

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摘要

Isomerization dynamics involving the migrations, proton transfer reaction, and catalytic actions of water molecules upon vertical ionization of the formamide (FA)-(H2O)(2) cluster is investigated by the infrared spectroscopy and theoretical reaction path search calculation. The infrared spectroscopic result indicates the [FA-(H2O)(2)](+) cation has the hydrogen-bonded structure of the enol isomer cation of formamide and the water dimer. This structure is formed by proton transfer from the CH bond to the carbonyl group through the catalytic action of the water molecules. The isomerization paths involving this enolization in ionized FA-(H2O)(2) are explored by using the anharmonic downward distortion following method. We found multiple enolization paths which accompany proton exchanges among the formamide moiety and water molecules through the catalytic actions of the water molecules.
机译:通过红外光谱和理论反应路径搜索计算研究了涉及迁移,质子转移反应和水分子的迁移,质子转移反应和水分子催化作用的催化作用。研究了甲酰胺(FA) - (2)簇簇。 红外光谱效应表明[Fa-(H 2 O)(2)](+)阳离子具有甲酰胺和水二聚体的烯醇异构体阳离子的氢键结构。 通过催化作用通过水分子的催化作用,通过从Ch结合到羰基的质子转移形成该结构。 通过使用以下方法使用anharmonic向下变形来探讨涉及这种雄化的这种钠的异构化路径。 我们发现通过含有水分子的催化作用,在甲酰胺部分和水分子中伴随质子交换的多种雄化路径。

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