物理化学学报 >> 1993, Vol. 9 >> Issue (04): 447-449.doi: 10.3866/PKU.WHXB19930404
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李红志; 王学斌; 孔繁敖; 朱起鹤
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Li Hong-Zhi; Wang Xue-Bin; Kong Fan-Ao; Zhu Qi-He
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关键词: 能量传输, 重原子效应, 红外发射谱, 三甲基氯硅烷
Abstract: 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.
Key words: Intramolecular energy transfer, IR emission spectroscopy, Heavy atom effect, Chlorotrimethylsilane
李红志;王学斌;孔繁敖;朱起鹤. O(1D)+Si(CH3)3Cl反应生成振动激发的OH(ν≤3)[J]. 物理化学学报, 1993, 9(04): 447-449.
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 Phys. -Chim. Sin., 1993, 9(04): 447-449.
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http://www.whxb.pku.edu.cn/CN/Y1993/V9/I04/447
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