首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Forming NCO- in Dense Molecular Clouds: Possible Gas-Phase Chemical Paths From Quantum Calculations
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Forming NCO- in Dense Molecular Clouds: Possible Gas-Phase Chemical Paths From Quantum Calculations

机译:在稠密分子云中形成NCO-:量子计算中可能的气相化学路径

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The existence of NCO- anions in the interstellar medium (ISM) has been suggested and searched for over the years but without any formal definitive sighting of that molecule. We discuss in this work the possible formation of either NCO- directly or of NCO neutral as a precursor to NCO- formation by electron attachment. We follow simple, gas-phase chemical reactions for which the general features are obtained from accurate quantum calculations. The results are shedding some additional light on the likely presence of this anion in the ISM environment, drawing further information from the specific features of the considered reactions on the additional chemical options that exist for its formation.
机译:多年来,人们已经提出并搜寻了星际介质(ISM)中NCO阴离子的存在,但一直没有对该分子进行任何正式的明确鉴定。我们在这项工作中讨论了通过电子附着直接形成NCO-或形成NCO中性作为NCO-形成前体的可能。我们遵循简单的气相化学反应,其一般特征是通过精确的量子计算获得的。结果为ISM环境中该阴离子的可能存在提供了更多的线索,并从考虑的反应的特定特征中获得了有关其形成的其他化学选择的更多信息。

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