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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Gas-Phase Reactions of Nickel and Nickel Oxide Clusters with Nitrogen Oxides. 3. Reactions of Cations with Nitric Oxide
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Gas-Phase Reactions of Nickel and Nickel Oxide Clusters with Nitrogen Oxides. 3. Reactions of Cations with Nitric Oxide

机译:镍和氧化镍团簇与氮氧化物的气相反应。 3.阳离子与一氧化氮的反应

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摘要

A fast flow reactor-quadrupole mass spectrometer system coupled with a laser vaporization source is used to study the gas-phase reactions of nickel and nickel oxide cluster cations with nitric oxide. Pseudo-first-order bimolecular rate constants are reported for the reactions of NO with nickel and nickel oxide cluster cations and O_2 reactions with nickel cluster cations. The product distributions indicate that several different reaction mechanisms occur between NO and Ni_x~+ and Ni_xO_y~+. Competing processes such as oxidation, NO addition, and replacement of oxygen with nitric oxide are observed to occur. Also, the presence of magic peaks in the distributions indicates unusually stable product cluster species.
机译:快速流反应器-四极杆质谱仪系统与激光汽化源耦合,用于研究镍和镍氧化物簇阳离子与一氧化氮的气相反应。报道了NO与镍和氧化镍簇阳离子的反应和O_2与镍簇阳离子的反应的伪一阶双分子速率常数。产物分布表明NO与Ni_x〜+和Ni_xO_y〜+之间发生了几种不同的反应机理。观察到发生了竞争过程,例如氧化,添加NO和用一氧化氮代替氧气。同样,分布中存在魔术峰表示异常稳定的产品簇物种。

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