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Absolute photoionization cross sections of two cyclic ketones: cyclopentanone and cyclohexanone

机译:两种环状酮的绝对光离子横截面:环戊酮和环己酮

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Absolute photoionization cross sections for cyclopentanone and cyclohexanone, as well as partial ionization cross sections for the dissociative ionized fragments, are presented in this investigation. Experiments are performed via a multiplexed photoionization mass spectrometer utilizing vacuum ultraviolet (VUV) synchrotron radiation supplied by the Advanced Light Source of Lawrence Berkeley National Laboratory. These results allow the quantification of these species that is relevant to investigate the kinetics and combustion reactions of potential biofuels. The CBS-QB3 calculated values for the adiabatic ionization energies agree well with the experimental values, and the identification of possible dissociative fragments is discussed for both systems. Copyright (C) 2017 John Wiley & Sons, Ltd.
机译:本研究介绍了环戊酮和环己酮的绝对光离子横截面,以及用于离灭离子碎片的部分电离横截面。 通过使用由劳伦斯伯克利国家实验室的高级光源供应的真空紫外(VUV)同步辐射的多路复用光离子质谱仪进行实验。 这些结果允许定量这些物种,这些物种与研究潜在生物燃料的动力学和燃烧反应相关。 CBS-QB3计算绝热电离能量的值与实验值很好,并且对两个系统讨论了可能的离归片段的鉴定。 版权所有(c)2017 John Wiley&Sons,Ltd。

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