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[Ca(甲酰胺)]配合物的气相反应活性:不同动力学行为的一个例子。

Gas-phase reactivity of [Ca(formamide)] complex: an example of different dynamical behaviours.

作者信息

Martin-Somer Ana, Spezia Riccardo, Yáñez Manuel

机构信息

Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, CEA CNRS Université Paris Saclay, 91025 Evry, France

LAMBE, Université d'Evry, 91025 Evry, France.

出版信息

Philos Trans A Math Phys Eng Sci. 2017 Apr 28;375(2092). doi: 10.1098/rsta.2016.0196.

DOI:10.1098/rsta.2016.0196
PMID:28320901
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5360897/
Abstract

In the present contribution, we have summarized our recent work on the comprehension of [Ca(formamide)] complex gas-phase unimolecular dissociation. By using different theoretical approaches, we were able to revise the original (and typical for such kind of problems) understanding given in terms of stationary points on the potential energy surface, which did not provide a satisfactory explanation of the experimentally observed reactivity. In particular, we point out how non-statistical and non-intrinsic reaction coordinate mechanisms are of fundamental importance.This article is part of the themed issue 'Theoretical and computational studies of non-equilibrium and non-statistical dynamics in the gas phase, in the condensed phase and at interfaces'.

摘要

在本论文中,我们总结了近期关于理解[Ca(甲酰胺)]配合物气相单分子解离的工作。通过使用不同的理论方法,我们得以修正最初(也是此类问题的典型方法)基于势能面上驻点给出的理解,这种理解并不能令人满意地解释实验观察到的反应活性。特别是,我们指出了非统计和非本征反应坐标机制为何至关重要。本文是主题为“气相、凝聚相及界面处非平衡和非统计动力学的理论与计算研究”这一特刊的一部分。

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J Chem Theory Comput. 2016 Mar 8;12(3):974-82. doi: 10.1021/acs.jctc.5b01135. Epub 2016 Feb 10.
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Elucidating collision induced dissociation products and reaction mechanisms of protonated uracil by coupling chemical dynamics simulations with tandem mass spectrometry experiments.通过将化学动力学模拟与串联质谱实验相结合,阐明质子化尿嘧啶的碰撞诱导解离产物和反应机制。
J Mass Spectrom. 2015 Dec;50(12):1340-51. doi: 10.1002/jms.3704.
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Unimolecular fragmentation induced by low-energy collision: statistically or dynamically driven?低能碰撞诱导的单分子碎裂:由统计还是动力学驱动?
J Phys Chem A. 2014 Nov 20;118(46):10882-93. doi: 10.1021/jp5076059. Epub 2014 Nov 5.
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A RRKM study and a DFT assessment on gas-phase fragmentation of formamide-M(2+) (M = Ca, Sr).关于甲酰胺-M(2+)(M = Ca,Sr)气相裂解的RRKM研究和密度泛函理论评估
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