Mechanisms for the Gaseous Hydrolysis of Thionyl Tetrafluoride (SOF4) to Form Sulfuryl Fluoride (SO2

来源 :International Conference on Theoretical and High Performance | 被引量 : 0次 | 上传用户：yufengdong

【摘要】

：

SO2F2 plays important roles in the gas-insulated switchgear (GIS) equipment because it has been widely used as the characteristic gas in discharge diagnostics.However, the mechanism for the formation

【作者】

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Hu Hui Wang Baoshan

【机构】

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College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072

【出处】

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International Conference on Theoretical and High Performance

【发表日期】

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2013年4期

【关键词】

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Hydrolysis Water-catalyzed SOF4 SO2F2 Rate constant

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　　SO2F2 plays important roles in the gas-insulated switchgear (GIS) equipment because it has been widely used as the characteristic gas in discharge diagnostics.However, the mechanism for the formation of SO2F2 is not clear [1].It was proposed that the hydrolysis of SOF4 can produce SO2F2 via SOF4 + H2O =SO2F2 + 2HF in the gas-phase but the overall rate constant was as low as (1.0±0.3)×10-21 cm3/s[2].The potential energy surface of the hydrolysis of SOF4 together with the water-catalyzed mechanism to form SO2F2 is calculated herein using various ab initio methods (Figure 1).Temperature-dependent rate constants are presented as well.

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Mechanisms for the Gaseous Hydrolysis of Thionyl Tetrafluoride (SOF4) to Form Sulfuryl Fluoride (SO2

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