AustralieFrV1, Main, Exploration, bibRecord, 006742

Rovibrational state specific scattering distributions of the O(1D) + CD4 → OD + CD3 (v1, v2, N) reaction

Identifieur interne : 006742 ( Main/Exploration ); précédent : 006741; suivant : 006743

Rovibrational state specific scattering distributions of the O(1D) + CD4 → OD + CD3 (v1, v2, N) reaction

Auteurs : Hiroshi Kohguchi [Japon] ; Yoshihiro Ogi [Japon] ; Toshinori Suzuki [Japon]

Source :

PCCP. Physical chemistry chemical physics : (Print) [ 1463-9076 ] ; 2011.

RBID : Pascal:11-0291056

Descripteurs français

Pascal (Inist)
- Distribution, Faisceau croisé, Ion moléculaire, Faisceau moléculaire, Formation image, Structure, Résonance, Ionisation multiphotonique, Etat fondamental, Etat vibrationnel, Etat rotationnel, Etat excité, Flexion, Insertion, Vibration, Paramètre impact, Excitation, Photoionisation.

English descriptors

KwdEn :
- Bending, Crossed beams, Distribution, Excitation, Excited state, Ground state, Imaging, Impact parameter, Insertion, Molecular beam, Molecular ions, Multiphoton ionization, Photoionization, Resonance, Rotational states, Structure, Vibration, Vibrational states.

Abstract

The rovibrational state distributions and state-resolved scattering distributions of CD₃ radicals produced by the reaction O(¹D) + CD₄ were investigated by crossed molecular beam ion imaging. The rotational structure of the resonance-enhanced multiphoton ionization spectrum of CD₃ in the ground vibrational state indicates that the low K rotational states of CD₃ radicals are preferentially populated. The state-resolved scattering distributions of CD₃ (v = 0) and those of the excited states of the out-of-plane bending (v₂) mode exhibit a structureless forward-scattering component due to an insertion pathway and a structured backward-scattering component due to an abstraction path. The scattering distributions of CD₃ in the excited state of the C-D symmetric stretch (v₁) do not exhibit the abstraction component. The scattering distribution of the abstraction component gradually extends in the forward direction with increasing intensity as the v₂ vibration becomes more strongly excited. This suggests that abstraction with a larger impact parameter results in stronger excitation of v₂.

Affiliations:

Japon

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 001B89
to stream PascalFrancis, to step Curation: 004355
to stream PascalFrancis, to step Checkpoint: 001696
to stream Main, to step Merge: 006B47
to stream Main, to step Curation: 006742

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Rovibrational state specific scattering distributions of the O(<sup>1</sup>
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<term>Ground state</term>
<term>Imaging</term>
<term>Impact parameter</term>
<term>Insertion</term>
<term>Molecular beam</term>
<term>Molecular ions</term>
<term>Multiphoton ionization</term>
<term>Photoionization</term>
<term>Resonance</term>
<term>Rotational states</term>
<term>Structure</term>
<term>Vibration</term>
<term>Vibrational states</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Distribution</term>
<term>Faisceau croisé</term>
<term>Ion moléculaire</term>
<term>Faisceau moléculaire</term>
<term>Formation image</term>
<term>Structure</term>
<term>Résonance</term>
<term>Ionisation multiphotonique</term>
<term>Etat fondamental</term>
<term>Etat vibrationnel</term>
<term>Etat rotationnel</term>
<term>Etat excité</term>
<term>Flexion</term>
<term>Insertion</term>
<term>Vibration</term>
<term>Paramètre impact</term>
<term>Excitation</term>
<term>Photoionisation</term>
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<front><div type="abstract" xml:lang="en">The rovibrational state distributions and state-resolved scattering distributions of CD<sub>3</sub>
 radicals produced by the reaction O(<sup>1</sup>
D) + CD<sub>4</sub>
 were investigated by crossed molecular beam ion imaging. The rotational structure of the resonance-enhanced multiphoton ionization spectrum of CD<sub>3</sub>
 in the ground vibrational state indicates that the low K rotational states of CD<sub>3</sub>
 radicals are preferentially populated. The state-resolved scattering distributions of CD<sub>3</sub>
 (v = 0) and those of the excited states of the out-of-plane bending (v<sub>2</sub>
) mode exhibit a structureless forward-scattering component due to an insertion pathway and a structured backward-scattering component due to an abstraction path. The scattering distributions of CD<sub>3</sub>
 in the excited state of the C-D symmetric stretch (v<sub>1</sub>
) do not exhibit the abstraction component. The scattering distribution of the abstraction component gradually extends in the forward direction with increasing intensity as the v<sub>2</sub>
 vibration becomes more strongly excited. This suggests that abstraction with a larger impact parameter results in stronger excitation of v<sub>2</sub>
.</div>
</front>
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Rovibrational state specific scattering distributions of the O(1D) + CD4 → OD + CD3 (v1, v2, N) reaction

Rovibrational state specific scattering distributions of the O(1D) + CD4 → OD + CD3 (v1, v2, N) reaction

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri