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Issue 48, 2008
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Reaction mechanism duality in O(1D2) + CD4→ OD + CD3 identified from scattering distributions of rotationally state selected CD3

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Abstract

The scattering distributions of rotationally state-selected CD3 products in the O(1D2) reaction with deuterated methane at a collision energy of 5.6 kcal/mol were investigated. Markedly different features were found between the forward and backward scatterings of rovibrationally unexcited CD3, which provides the experimental evidence of the dual reaction mechanisms, i.e., insertion and abstraction on the ground- and excited-state potential energy surfaces, respectively, in this benchmark system. The gradual emergence of forward-backward symmetry in the angular distributions of CD3 in higher rotational states suggests that osculating complexes create rotationally hotter CD3.

Graphical abstract: Reaction mechanism duality in O(1D2) + CD4→ OD + CD3 identified from scattering distributions of rotationally state selected CD3

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Publication details

The article was received on 05 Sep 2008, accepted on 08 Oct 2008 and first published on 07 Nov 2008


Article type: Communication
DOI: 10.1039/B815519D
Phys. Chem. Chem. Phys., 2008,10, 7222-7225

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    Reaction mechanism duality in O(1D2) + CD4→ OD + CD3 identified from scattering distributions of rotationally state selected CD3

    H. Kohguchi, Y. Ogi and T. Suzuki, Phys. Chem. Chem. Phys., 2008, 10, 7222
    DOI: 10.1039/B815519D

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