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Citation: Li Hong-Zhi, Wang Xue-Bin, Kong Fan-Ao, Zhu Qi-He. Vibrational Excitation of OH(v≤3) from the reaction of O(¹D)+Si(CH₃)₃Cl[J]. Acta Physico-Chimica Sinica, ;1993, 9(04): 447-449. doi: 10.3866/PKU.WHXB19930404 shu

Vibrational Excitation of OH(v≤3) from the reaction of O(¹D)+Si(CH₃)₃Cl

1.
Institute of Chemistry, CAS, The State Key Laboratory of Malecular Reaction Dynamics, Beijing 100080

Received Date: 29 March 1993
Available Online: 15 August 1993

The vibrationally excited OH(v) from the reaction of O(~1D)+Si(CH_3)_3Cl was observed by UV laser photolysis/FTIR emission spectroscopy. The vibrational number was only up to 3 with a ratio of 1:0.8:0.1 for v=1:2:3. Comparing this result with the similar reaction of O(~1D)+Si(CH_3)_4 which OH(v) vibrational number was high up to 4 with a ratio of 1:1:1:0.3 for v=1:2:3:4 under the same experimental conditions, it was found that the substitution of Cl for CH_3 affected the extent of heavy Si atom blocking the energy migration in a molecule. This results identifies the prediction that the characteristic of electrons in central atom plays an important role in intramolecular energy transfer.
- Intramolecular energy transfer; IR emission spectroscopy; Heavy atom effect; Chlorotrimethylsilane
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Vibrational Excitation of OH(v≤3) from the reaction of O(1D)+Si(CH3)3Cl

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通讯作者: 陈斌, bchen63@163.com

Vibrational Excitation of OH(v≤3) from the reaction of O(¹D)+Si(CH₃)₃Cl