期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 113, 期 40, 页码 10767-10771出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp902873h
关键词
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资金
- National Science Foundation [CHE-0847707]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0847707] Funding Source: National Science Foundation
The photochemical reaction path following the promotion of CF2I2 into its lowest-lying excited electronic singlet state has been modeled using ab initio multiconfigurational quantum chemical calculations. It is found that a conical intersection drives the electronically excited CF2I2* species either to the CF2I + I radical pair or back to the starting CF2I2 structure. The structures of the computed relaxation pathways explain the photoproduct selectivity previously observed in the gas phase. Furthermore, the results provide the basis for explaining the condensed-phase photochemistry of CF2I2.
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