Reaction of CH2Cl with O2

The elementary reaction of CH2Cl+O2 in gas phase was investigated by time-resolved FTIR emission spectroscopy. Vibrationally excited products CO (v·4), and CO2 (o3, v·7) were observed. The yield ratio of CO/CO2(o3) was 72.2§7. The reaction pathways were studied theoretically at QCISD//UB3LYP/6-311++G(d,p) level. In the beginning of the reaction, CH2Cl radical associated with O2 to form CH2ClOO, followed by removal of the Cl atom to yield another intermediate dioxirane CH2OO. Subsequently, a series of isomerization and decomposition of the CH2OO took place, yielding the ˉnal products of CO and CO2. The calculated result was in consistent with the experimental observation.The elementary reaction of CH2Cl+O2 in gas phase was investigated by time-resolved FTIR emission spectroscopy. Vibrationally excited products CO (v·4), and CO2 (o3, v·7) were observed. The yield ratio of CO/CO2(o3) was 72.2§7. The reaction pathways were studied theoretically at QCISD//UB3LYP/6-311++G(d,p) level. In the beginning of the reaction, CH2Cl radical associated with O2 to form CH2ClOO, followed by removal of the Cl atom to yield another intermediate dioxirane CH2OO. Subsequently, a series of isomerization and decomposition of the CH2OO took place, yielding the ˉnal products of CO and CO2. The calculated result was in consistent with the experimental observation.Read MoreArticle

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