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首页> 外文期刊>The Journal of Chemical Physics >Communication: Fingerprints of reaction mechanisms in product distributions: Eley-Rideal-type reactions between D and CD3/Cu(111)
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Communication: Fingerprints of reaction mechanisms in product distributions: Eley-Rideal-type reactions between D and CD3/Cu(111)

机译:通讯:产品分布中反应机制的指纹:D和CD3 / Cu之间的ELEY - rideal型反应(111)

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摘要

Through extensive direct dynamics studies of a prototypical Eley-Rideal type process, we demonstrate that fingerprints of microscopic reaction mechanisms can be identified in product distributions. Specifically, the umbrella vibration of CD4 formed by reacting gaseous D atoms with CD3 adsorbed on Cu(111) is highly excited if the reaction is initiated by a direct collision between the reactants due to the necessary inversion of the CD3 moiety. On the other hand, an indirect collision via a hot atom mechanism leads to much lower excitation in this product vibrational mode, and as such, an inversion is unnecessary. This fingerprint suggests an experimentally verifiable means to disentangle different mechanistic pathways. Published by AIP Publishing.
机译:通过大量直接动力学研究的原型埃莉米序列的过程,我们证明了显微反应机理的指纹可以在产品分布中鉴定。 具体地,如果通过在CD3部分的必要反应之间通过直接碰撞引发反应,则通过使反应引发反应,通过使反应引发反应,通过使反应引发反应而形成的CD4与吸附在Cu(111)上的CD3形成的CD4形成的CD4的伞振动。 另一方面,通过热原子机构的间接碰撞导致该产品振动模式下的较低激发,因此,不需要反转。 该指纹表明,一种实验可验证的方法,可以解开不同的机制途径。 通过AIP发布发布。

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