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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Laboratory evidence for a key intermediate in the Venus atmosphere: Peroxychloroformyl radical
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Laboratory evidence for a key intermediate in the Venus atmosphere: Peroxychloroformyl radical

机译:金星大气中关键中间体的实验室证据:过氧氯甲酰基

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摘要

For two decades, the peroxychloroformyl radical, CIC(O)OO, has played a central role in models of the chemical stability of the Venus atmosphere. No confirmation, however, has been possible in the absence of laboratory measurements for CIC(O)OO. We report the isolation of CIC(O)OO in a cryogenic matrix and its infrared and ultraviolet spectral signatures. These experiments show that CIC(O)OO is thermally and photolytically stable in the Venus atmosphere. These experimental discoveries validate the existence of CIC(O)OO, confirm several longstanding model assumptions, and provide a basis for the astronomical search for this important radical species.
机译:二十年来,过氧氯甲酰基自由基CIC(O)OO在金星大气化学稳定性模型中发挥了核心作用。但是,在没有实验室检测CIC(O)OO的情况下,没有可能进行确认。我们报告了低温基质中的CIC(O)OO的分离及其红外和紫外光谱特征。这些实验表明,CIC(O)OO在金星大气中是热稳定和光稳定的。这些实验发现验证了CIC(O)OO的存在,确认了几个长期的模型假设,并为对该重要自由基物种进行天文搜索提供了基础。

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