Influence of formation path on the CH2BrCl2+ dissociation dynamics

K Le Guen, M Ahmad, Denis Céolin, P Lablanquie, C Miron, F Penent, P Morin, M Simon

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

Sammanfattning

To get further insight into the CH2BrCl site-selective fragmentation previously observed upon inner-shell ionization, we have performed high-resolution Br 3d and Cl 2p Auger and spin-orbit resolved Br 3d Auger spectra, and studied the dissociation properties of the CH2BrCl2+ dication formed at threshold by means of threshold electron pair-ion coincidence measurements. The key point is that the origin of site-specific bond breaking is found in the Auger decay itself, as it preferentially populates selected dication states. Whereas the predominance of the C-Br bond breaking is observed in both threshold and inner-shell studies, no signature of selective C-Cl rupture is reported for the dication formed at threshold.
Originalspråkengelska
TidskriftJournal of Chemical Physics
Volym123
Nummer8
DOI
StatusPublished - 2005

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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