A dynamical (e,2e) investigation of the structurally related cyclic ethers tetrahydrofuran, tetrahydropyran, and 1,4-dioxane

Joseph Builth-Williams, Susan Bellm, Luca Chiari, Penny Thorn, Darryl Jones, Hari Chaluvadi, D Madison, C Ning, B Lohmann, George Barbosa da Silva, Michael Brunger

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    Abstract

    Triple differential cross section measurements for the electron-impact ionization of the highest occupied molecular orbitals of tetrahydropyran and 1,4-dioxane are presented. For each molecule, experimental measurements were performed using the (e,2e) technique in asymmetric coplanar kinematics with an incident electron energy of 250 eV and an ejected electron energy of 20 eV. With the scattered electrons being detected at -5°, the angular distributions of the ejected electrons in the binary and recoil regions were observed. These measurements are compared with calculations performed within the molecular 3-body distorted wave model. Here, reasonable agreement was observed between the theoretical model and the experimental measurements. These measurements are compared with results from a recent study on tetrahydrofuran [D. B. Jones, J. D. Builth-Williams, S. M. Bellm, L. Chiari, C. G. Ning, H. Chaluvadi, B. Lohmann, O. Ingolfsson, D. Madison, and M. J. Brunger, Chem. Phys. Lett. 572, 32 (2013)] in order to evaluate the influence of structure on the dynamics of the ionization process across this series of cyclic ethers.

    Original languageEnglish
    Article number034306
    Pages (from-to)034306
    Number of pages8
    JournalJournal of Chemical Physics
    Volume139
    Issue number3
    DOIs
    Publication statusPublished - 2013

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    Builth-Williams, J., Bellm, S., Chiari, L., Thorn, P., Jones, D., Chaluvadi, H., Madison, D., Ning, C., Lohmann, B., Barbosa da Silva, G., & Brunger, M. (2013). A dynamical (e,2e) investigation of the structurally related cyclic ethers tetrahydrofuran, tetrahydropyran, and 1,4-dioxane. Journal of Chemical Physics, 139(3), 034306. [034306]. https://doi.org/10.1063/1.4813237