{"title":"原子碳C(23PJ)在真空紫外线下的动力学吸收光谱研究","authors":"D. Husain, L. Kirsch","doi":"10.1039/TF9716702025","DOIUrl":null,"url":null,"abstract":"Time-resolved attenuation of the atomic emission transition C(33P°J→23PJ) at 166 nm has been used to study the reactions of C(23PJ). The decay of this atom, following its generation by the vacuum ultra-violet flash photolysis of carbon suboxide, has been monitored directly in the presence of a number of gases. The following rate data for 300 K have been obtained: C(23PJ)+ NO →CN + O, k= 7.3±2.2 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ O2→CO + O, k= 3,3±1.5 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ N2O →CO + N2, k= 2.5±1.6 × 10–11 cm3 molecule–1 s–1, or CN + NO, C(23PJ)+ H2O →CO + H2k⩽3.6 × 10–13 cm3 molecule–1 s–1, or CH2O, C(23PJ)+ CO2→2CO, k≤ 10–14 cm3 molecule–1 s–1, C(23PJ)+ CH4→C2H4, k < 2 × 10–15 cm3 molecule–1 s–1, C(23PJ)+ N2+ M →CN2+ M, k= 3.1±1.5 × 10–33 cm6 molecule–2 s–1(M = Ar), C(23PJ)+ H2+ M →CH2+ M, k= 7.1±2.5 × 10–32 cm6 molecule–2 s–1(M = He), C(23PJ)+ CO + M →C2O + M, k= 6.3±2.7 × 10–32 cm6 molecule–2 s–1(M = He).","PeriodicalId":23290,"journal":{"name":"Transactions of The Faraday Society","volume":"67 1","pages":"2025-2035"},"PeriodicalIF":0.0000,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1039/TF9716702025","citationCount":"96","resultStr":"{\"title\":\"Reactions of atomic carbon C(23PJ) by kinetic absorption spectroscopy in the vacuum ultra-violet\",\"authors\":\"D. Husain, L. Kirsch\",\"doi\":\"10.1039/TF9716702025\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Time-resolved attenuation of the atomic emission transition C(33P°J→23PJ) at 166 nm has been used to study the reactions of C(23PJ). The decay of this atom, following its generation by the vacuum ultra-violet flash photolysis of carbon suboxide, has been monitored directly in the presence of a number of gases. The following rate data for 300 K have been obtained: C(23PJ)+ NO →CN + O, k= 7.3±2.2 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ O2→CO + O, k= 3,3±1.5 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ N2O →CO + N2, k= 2.5±1.6 × 10–11 cm3 molecule–1 s–1, or CN + NO, C(23PJ)+ H2O →CO + H2k⩽3.6 × 10–13 cm3 molecule–1 s–1, or CH2O, C(23PJ)+ CO2→2CO, k≤ 10–14 cm3 molecule–1 s–1, C(23PJ)+ CH4→C2H4, k < 2 × 10–15 cm3 molecule–1 s–1, C(23PJ)+ N2+ M →CN2+ M, k= 3.1±1.5 × 10–33 cm6 molecule–2 s–1(M = Ar), C(23PJ)+ H2+ M →CH2+ M, k= 7.1±2.5 × 10–32 cm6 molecule–2 s–1(M = He), C(23PJ)+ CO + M →C2O + M, k= 6.3±2.7 × 10–32 cm6 molecule–2 s–1(M = He).\",\"PeriodicalId\":23290,\"journal\":{\"name\":\"Transactions of The Faraday Society\",\"volume\":\"67 1\",\"pages\":\"2025-2035\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1039/TF9716702025\",\"citationCount\":\"96\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Transactions of The Faraday Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1039/TF9716702025\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions of The Faraday Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1039/TF9716702025","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 96
摘要
利用原子发射跃迁C(33P°J→23PJ)在166 nm处的时间分辨衰减，研究了C(23PJ)的反应。这个原子的衰变是在真空紫外线闪光光解一氧化碳后产生的，在许多气体的存在下直接监测到。300k的速率数据如下:C (23 pj) +没有→CN + O k = 7.3±2.2×10 - 11立方厘米molecule-1 s - 1, C (23 pj) + O2→CO + O k = 3, 3±1.5×10 - 11立方厘米molecule-1 s - 1, C (23 pj) +一氧化二氮→CO + N2, k = 2.5±1.6×10 - 11立方厘米molecule-1 s - 1,或CN +不,C (23 pj) + H2O→CO + H2k⩽3.6×10 - 13立方厘米molecule-1 s - 1,或CH2O, C (23 pj) +二氧化碳→2有限公司k≤10 - 14立方厘米molecule-1 s - 1, C (23 pj) + CH4→C2H4 k < 2×10 - 15立方厘米molecule-1 s - 1, C (23 pj) + N2 + M→CN2 + M k = 3.1±1.5×10-33 cm6 molecule-2 s - 1 (M = Ar), C (23 pj) + H2 + M→CH2 + M k = 7.1±2.5×10-32 cm6 molecule-2 s - 1 (M =他),C(23PJ)+ CO + M→C2O + M, k= 6.3±2.7 × 10-32 cm6分子- 2 s-1 (M = He)。
Reactions of atomic carbon C(23PJ) by kinetic absorption spectroscopy in the vacuum ultra-violet
Time-resolved attenuation of the atomic emission transition C(33P°J→23PJ) at 166 nm has been used to study the reactions of C(23PJ). The decay of this atom, following its generation by the vacuum ultra-violet flash photolysis of carbon suboxide, has been monitored directly in the presence of a number of gases. The following rate data for 300 K have been obtained: C(23PJ)+ NO →CN + O, k= 7.3±2.2 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ O2→CO + O, k= 3,3±1.5 × 10–11 cm3 molecule–1 s–1, C(23PJ)+ N2O →CO + N2, k= 2.5±1.6 × 10–11 cm3 molecule–1 s–1, or CN + NO, C(23PJ)+ H2O →CO + H2k⩽3.6 × 10–13 cm3 molecule–1 s–1, or CH2O, C(23PJ)+ CO2→2CO, k≤ 10–14 cm3 molecule–1 s–1, C(23PJ)+ CH4→C2H4, k < 2 × 10–15 cm3 molecule–1 s–1, C(23PJ)+ N2+ M →CN2+ M, k= 3.1±1.5 × 10–33 cm6 molecule–2 s–1(M = Ar), C(23PJ)+ H2+ M →CH2+ M, k= 7.1±2.5 × 10–32 cm6 molecule–2 s–1(M = He), C(23PJ)+ CO + M →C2O + M, k= 6.3±2.7 × 10–32 cm6 molecule–2 s–1(M = He).
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