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Title: Femtosecond dynamics and coherence of ionic retro-Diels–Alder reactions

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/5.0048380· OSTI ID:1850812

Ultrafast tunnel ionization enables femtosecond time-resolved dynamic measurements of the retro-Diels–Alder reactions of positively charged cyclohexene, norbornene, and dicyclopentadiene. Unlike the reaction times of 500–600 ps that are observed following UV excitation of neutral species, on the ionic potential energy surfaces, these reactions occur on a single picosecond timescale and, in some cases, exhibit vibrational coherence. In the case of norbornene, a 270 cm–1 vibrational mode is found to modulate the retro-Diels–Alder reaction.

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0002325
OSTI ID:
1850812
Alternate ID(s):
OSTI ID: 1810189
Journal Information:
Journal of Chemical Physics, Vol. 155, Issue 4; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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