期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 17, 期 43, 页码 28505-28509出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cp02944a
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资金
- Swiss Department of Energy (BFE) [100708]
- American Chemical Society Petroleum Research Fund (PRF) [51896-UNI4]
Energetic acetone cations decay by methane or methyl radical loss. Although the methane-loss barrier to form the ketene cation is higher and the activation entropy is lower, it has a significant branching ratio at low energies thanks to quantum tunnelling. H-atom tunnelling can be selectively quenched and the methane-loss channel suppressed quantitatively by deuteration.
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