Resonant Inner-Shell Photofragmentation of Adamantane (C10H16).
AE–PICO/PIPICO coincidence
adamantane
inner-shell fragmentation
site-selectivity
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
19 Jul 2023
19 Jul 2023
Historique:
received:
30
05
2023
revised:
10
07
2023
accepted:
17
07
2023
medline:
29
7
2023
pubmed:
29
7
2023
entrez:
29
7
2023
Statut:
epublish
Résumé
Adamantane, the smallest diamondoid molecule with a symmetrical cage, contains two distinct carbon sites, CH and CH2. The ionization/excitation of the molecule leads to the cage opening and strong structural reorganization. While theoretical predictions suggest that the carbon site CH primarily causes the cage opening, the role of the other CH2 site remains unclear. In this study, we used advanced experimental Auger electron-ion coincidence techniques and theoretical calculations to investigate the fragmentation dynamics of adamantane after resonant inner-shell photoexcitation. Our results demonstrate that some fragmentation channels exhibit site-sensitivity of the initial core-hole location, indicating that different carbon site excitations could lead to unique cage opening mechanisms.
Identifiants
pubmed: 37513382
pii: molecules28145510
doi: 10.3390/molecules28145510
pmc: PMC10384773
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : CALIPSOplus
ID : 730872
Organisme : European Cooperation in Science and Technology
ID : CA18212
Organisme : Swedish Research Council
ID : VR2020-0520
Organisme : Helmholtz Foundation
ID : HIRS-0018
Organisme : Spanish Ministry of Science and Innovation
ID : PID2019-110091GB-I00
Organisme : Spanish Ministry of Science and Innovation
ID : CEX2018-000805-M
Organisme : Czech Science Foundation
ID : 21-26601X
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