Threshold photoelectron spectroscopy of ...
Type de document :
Article dans une revue scientifique: Article original
DOI :
URL permanente :
Titre :
Threshold photoelectron spectroscopy of the methoxy radical
Auteur(s) :
Tang, Xiaofeng [Auteur]
Anhui Institute of Optics and Fine Mechanics
Lin, Xiaoxiao [Auteur]
Anhui Institute of Optics and Fine Mechanics
Garcia, Gustavo A. [Auteur]
Synchrotron SOLEIL [SSOLEIL]
Loison, Jean-Christophe [Auteur]
Institut des Sciences Moléculaires [ISM]
Fittschen, Christa [Auteur]
Physicochimie des Processus de Combustion et de l’Atmosphère - UMR 8522 [PC2A]
Gu, Xuejun [Auteur]
Anhui Institute of Optics and Fine Mechanics
Zhang, Weijun [Auteur]
Anhui Institute of Optics and Fine Mechanics
Nahon, Laurent [Auteur]
Synchrotron SOLEIL [SSOLEIL]
Anhui Institute of Optics and Fine Mechanics
Lin, Xiaoxiao [Auteur]
Anhui Institute of Optics and Fine Mechanics
Garcia, Gustavo A. [Auteur]
Synchrotron SOLEIL [SSOLEIL]
Loison, Jean-Christophe [Auteur]
Institut des Sciences Moléculaires [ISM]
Fittschen, Christa [Auteur]
Physicochimie des Processus de Combustion et de l’Atmosphère - UMR 8522 [PC2A]
Gu, Xuejun [Auteur]
Anhui Institute of Optics and Fine Mechanics
Zhang, Weijun [Auteur]
Anhui Institute of Optics and Fine Mechanics
Nahon, Laurent [Auteur]
Synchrotron SOLEIL [SSOLEIL]
Titre de la revue :
The Journal of Chemical Physics
Nom court de la revue :
J. Chem. Phys.
Numéro :
153
Éditeur :
AIP Publishing
Date de publication :
2020-07-21
Discipline(s) HAL :
Physique [physics]/Physique [physics]/Chimie-Physique [physics.chem-ph]
Chimie/Chimie théorique et/ou physique
Chimie/Chimie théorique et/ou physique
Résumé en anglais : [en]
We present here a synchrotron radiation vacuum ultraviolet photoionization study of the simplest alkoxy radical, CH3O, a key reaction intermediate in atmospheric and combustion chemistry. A microwave discharge fast flow ...
Lire la suite >We present here a synchrotron radiation vacuum ultraviolet photoionization study of the simplest alkoxy radical, CH3O, a key reaction intermediate in atmospheric and combustion chemistry. A microwave discharge fast flow tube connected to a molecular beam sampling system is employed as a chemical reactor to initiate reactions and generate radicals. The CH3O+ cation from direct ionization of the CH3O radical is detected successfully in the photoionization mass spectrum close to its ionization threshold. In addition, after identifying and removing the contribution of the 13C-isotopic formaldehyde H213CO with the same isobaric mass m/z = 31, the high-resolution threshold photoelectron spectrum of CH3O is obtained and assigned with the aid of calculated Franck–Condon factors. The adiabatic ionization energy of CH3O is determined at 10.701 eV with an accuracy of 0.005 eV.Lire moins >
Lire la suite >We present here a synchrotron radiation vacuum ultraviolet photoionization study of the simplest alkoxy radical, CH3O, a key reaction intermediate in atmospheric and combustion chemistry. A microwave discharge fast flow tube connected to a molecular beam sampling system is employed as a chemical reactor to initiate reactions and generate radicals. The CH3O+ cation from direct ionization of the CH3O radical is detected successfully in the photoionization mass spectrum close to its ionization threshold. In addition, after identifying and removing the contribution of the 13C-isotopic formaldehyde H213CO with the same isobaric mass m/z = 31, the high-resolution threshold photoelectron spectrum of CH3O is obtained and assigned with the aid of calculated Franck–Condon factors. The adiabatic ionization energy of CH3O is determined at 10.701 eV with an accuracy of 0.005 eV.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Non spécifiée
Établissement(s) :
Université de Lille
CNRS
CNRS
Équipe(s) de recherche :
PhysicoChimie de l'Atmosphère (PCA)
Date de dépôt :
2020-10-07T14:02:17Z
2020-10-08T07:12:58Z
2020-10-08T07:12:58Z
Fichiers
- PES CH3O final version.pdf
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