Language selection

Government of Canada / Gouvernement du Canada

Search

Disentangling sequential and concerted fragmentations of molecular polycations with covariant native frame analysis

From National Research Council Canada

Download
  1. (PDF, 4.8 MiB)
  2. (PDF, 913 KiB)
DOIResolve DOI: https://doi.org/10.1039/D2CP03029B
AuthorSearch for: 1ORCID identifier: https://orcid.org/0000-0002-7911-2042; Search for: 1ORCID identifier: https://orcid.org/0000-0002-1446-5904; Search for: 2; Search for: 3; Search for: 4; Search for: 5; Search for: 6ORCID identifier: https://orcid.org/0000-0001-5762-7048; Search for: 7; Search for: 7; Search for: 8; Search for: 7ORCID identifier: https://orcid.org/0000-0002-3761-6883; Search for: 1ORCID identifier: https://orcid.org/0000-0003-0611-8555; Search for: 9ORCID identifier: https://orcid.org/0000-0001-9561-8433; Search for: 7; Search for: 10; Search for: 11ORCID identifier: https://orcid.org/0000-0002-1261-6246; Search for: 7ORCID identifier: https://orcid.org/0000-0002-5156-6720; Search for: 1ORCID identifier: https://orcid.org/0000-0003-4909-5293; Search for: 8ORCID identifier: https://orcid.org/0000-0001-6775-2977; Search for: 12ORCID identifier: https://orcid.org/0000-0002-7292-5630; Search for: 10ORCID identifier: https://orcid.org/0000-0002-5501-3082; Search for: 6ORCID identifier: https://orcid.org/0000-0001-5551-9609; Search for: 13; Search for: 14ORCID identifier: https://orcid.org/0000-0002-3965-3477; Search for: 1ORCID identifier: https://orcid.org/0000-0003-0935-3331; Search for: 14; Search for: 15; Search for: 1ORCID identifier: https://orcid.org/0000-0001-6009-6735; Search for: 1ORCID identifier: https://orcid.org/0000-0003-3880-8614; Search for: 1ORCID identifier: https://orcid.org/0000-0002-7317-8649; Search for: 1ORCID identifier: https://orcid.org/0000-0003-3421-0850; Search for: 16ORCID identifier: https://orcid.org/0000-0003-2097-5991; Search for: 1ORCID identifier: https://orcid.org/0000-0002-8044-8969
Affiliation
  1. University of Oxford
  2. Kyoto University
  3. QST, SPring-8
  4. Tokyo University of Agriculture and Technology
  5. Institute for Molecular Science, Japan
  6. University of Bristol
  7. Stanford PULSE Institute. SLAC National Accelerator Laboratory
  8. University of Southampton
  9. National Research Council of Canada. Security and Disruptive Technologies
  10. University of Turku
  11. Deutsches Elektronen-Synchrotron (DESY)
  12. Hiroshima University
  13. Japan Synchrotron Radiation Research Institute
  14. Kansas State University
  15. Tohoku University
  16. Linac Coherent Light Source. SLAC National Accelerator Laboratory
FunderSearch for: Stanford University; Search for: University of Southampton; Search for: National Science Foundation; Search for: Science and Technology Facilities Council; Search for: Engineering and Physical Sciences Research Council; Search for: Basic Energy Sciences; Search for: Helmholtz Association; Search for: Jesus College, University of Oxford
FormatText, Article
Abstract
We present results from an experimental ion imaging study into the fragmentation dynamics of 1-iodopropane and 2-iodopropane following interaction with extreme ultraviolet intense femtosecond laser pulses with a photon energy of 95 eV. Using covariance imaging analysis, a range of observed fragmentation pathways of the resulting polycations can be isolated and interrogated in detail at relatively high ion count rates (∼12 ions shot⁻¹). By incorporating the recently developed native frames analysis approach into the three-dimensional covariance imaging procedure, contributions from three-body concerted and sequential fragmentation mechanisms can be isolated. The angular distribution of the fragment ions is much more complex than in previously reported studies for triatomic polycations, and differs substantially between the two isomeric species. With support of simple simulations of the dissociation channels of interest, detailed physical insights into the fragmentation dynamics are obtained, including how the initial dissociation step in a sequential mechanism influences rovibrational dynamics in the metastable intermediate ion and how signatures of this nuclear motion manifest in the measured signals.
Publication date
PublisherRoyal Society of Chemistry
Licence
In
  • Physical Chemistry Chemical Physics 24, no. 37 (15 September 2022): 22699–22709.
LanguageEnglish
Peer reviewedYes
Export citationExport as RIS
Report a correctionReport a correction (opens in a new tab)
Record identifier36ee8ed4-2964-4651-a811-a309d24cd118
Record created2023-08-30
Record modified2023-09-06
Date modified: