• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Chemistry: A European journal >First experimental observation on different ionic states of the tert-butoxy [(CH3)(3)CO center dot] radical
【24h】

First experimental observation on different ionic states of the tert-butoxy [(CH3)(3)CO center dot] radical

机译：叔丁氧基[（CH3）（3）CO中心点]自由基不同离子态的初步实验观察

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A continuous tert-butoxy (CH3)(3)CO. radical beam is produced in situ by respective pyrolysis of both (CH3)(3)CONO at 115(+/-0.5)degreesC and (CH3)(3)COOC(CH3)(3) at 87(+/-0.5)degreesC. By combining the HeI photoelectron (PE) spectrum with the improved density function theory (DFT) calculations, we have concluded that the (CH3)(3)CO. radical has C-3V symmetry and (X) over tilde E-2 ground state. The study does not only provide the ionization energies of different ionic states of the (CH3)(3)CO. radical for the first time, but also the first example in which there have been similar vibrational structures in different ionic states caused by removal of the electron on an orbital. It is also pointed out that (CH3)(3)CONO is a good source for obtaining the (CH3)(3)CO. radical beam, and that NO is a stable regent for the active radical. The results will promote the studies in electron spin resonance (ESR) research on the mechanisms of both the initiation of the formation of a new radical and the radical-chain polymerization in which the (CH3)(3)CO. radical participates. [References: 24]
机译：连续的叔丁氧基（CH3）（3）CO。自由基束是通过分别在115（+/- 0.5）°C和（CH3）（3）COOC（CH3）（3）在87（+/- 0.5）°C分别热解而产生的。通过结合HeI光电子（PE）光谱和改进的密度泛函理论（DFT）计算，我们得出的结论是（CH3）（3）CO。自由基具有C-3V对称性，并且在波浪号E-2基态上具有（X）。该研究不仅提供了（CH3）（3）CO不同离子态的电离能。首次出现自由基，也是第一个例子，其中由于去除了轨道上的电子而在不同的离子态存在相似的振动结构。还应指出，（CH3）（3）CONO是获得（CH3）（3）CO的良好来源。自由基束，而NO是活性自由基的稳定离子。该结果将促进电子自旋共振（ESR）研究中新自由基形成的引发机理以及其中（CH3）（3）CO的自由基链聚合反应机理的研究。激进派参加。 [参考：24]

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号