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Gas phase interactions of transition metals and metal oxides with carbon monoxide and carbon dioxide: A guided ion beam study

机译：过渡金属和金属氧化物与一氧化碳和二氧化碳的气相相互作用：导向离子束研究

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The kinetic energy dependences of the reactions M+ + CO 2 and MO+ + CO and the collision-induced dissociation (CID) reactions M+(CO2) or OM+(CO) + Xe, where M = V, Y, YO, Zr, ZrO, Nb, NbO, Mo, and MoO, are studied by guided ion beam mass spectrometry. From all of these reactions, we are able to obtain thermochemistry for the product ions generated by analyzing the energy dependence of the cross sections. For the reactions with CO2, complex cross sectional behavior is observed for the most abundant product ion, MO +. Analysis of the energy dependence of these cross sections allows speculative assignments of excitation energies to excited state MO +. From the reactions with CO, the dominant product in all systems is M+. For both the reaction with CO2 and the reaction with CO, spin conservation is seen to be a very strong influence on the efficiency of the reactions. For the CID reactions, simple ligand loss dominates all of the systems and no rearrangement products are observed, except for M = NbO.

机译：反应M + + CO 2和MO + + CO的动能依赖性以及碰撞诱导解离（CID）反应M +（CO2）或OM +（CO）+ Xe，其中M = V，Y，YO，Zr，ZrO， Nb，NbO，Mo和MoO通过导向离子束质谱研究。从所有这些反应中，我们能够通过分析横截面的能量依赖性来获得生成的产物离子的热化学。对于与CO2的反应，对于最丰富的产物离子MO +，观察到复杂的截面行为。对这些横截面的能量依赖性的分析允许将激发能量推测分配给激发态MO +。从与CO的反应来看，所有系统中的主要产物都是M +。对于与CO 2的反应和与CO的反应两者，自旋保守性被认为对反应效率有非常强烈的影响。对于CID反应，简单的配体损失在所有系统中均占主导地位，除了M = NbO之外，未观察到重排产物。

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作者
Sievers, Michael Ray.;
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作者单位

The University of Utah.;

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授予单位 The University of Utah.;
学科 Physical chemistry.;Atomic physics.
学位 Ph.D.
年度 2000
页码 157 p.
总页数 157
原文格式 PDF
正文语种 eng
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Gas phase interactions of transition metals and metal oxides with carbon monoxide and carbon dioxide: A guided ion beam study

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