Figure 3. Overall Structural Dynamics of DBP during Resonance-Enhanced Multiphoton Ionization (IMAGE)
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Through experiments, the research team initially confirmed that significant structural changes were not observed for approximately 3.6 picoseconds. Subsequently, a reaction intermediate with a time constant of 15 picoseconds, iso-DBP+, was formed. Finally, the loosely bound Br within iso-DBP+ escaped, leading to the formation of bromonium MBP+ with a time constant of 77 picoseconds. These results allowed for the direct observation of the process where the isolated ion stabilizes, and it was confirmed that the final product exhibited the bromonium form, well-known as an organic reaction intermediate.
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