光腔衰荡光谱技术研究AsH2自由基:&nbsp;&lt;italic&gt;&Atilde;&lt;/italic&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;italic&gt;A&lt;/italic&gt;&lt;sub&gt;1&lt;/sub&gt;(000)&minus;X&lt;sup&gt;~2&lt;/sup&gt;&lt;italic&gt;B&lt;/italic&gt;&lt;sub&gt;1&lt;/sub&gt;(000)

Dongfeng Zhao、Chengbing Qin、旸陈、Qun CHEN Yang ZHANG

2009Chinese Science Bulletin (Chinese Version)Chemistry被引 48

摘要

The absorption spectra of AsH2 radical were recorded in 19870―20250 cm−1 by cavity ringdown spectroscopy. The AsH2 radicals were produced by pulsed DC discharge of a gas mixture of AsH3 in argon. Based on the previous studies, the obtained spectra can be assigned as the vibronic transition: <italic>Ã</italic>2<italic>A</italic>1 (000)–<italic>X</italic> 2<italic>B</italic>1(000). Rotational assignments and least square fittings for about 777 rotational lines with <italic>Ka</italic>´≤5 and <italic>N</italic>´≤10 were carried out, and the rotational term values and the molecular parameters were also determined with reasonably high precision. The perturbations observed for the upper state were briefly analyzed and discussed.

引用本文（GB/T 7714）

Dongfeng Zhao, Chengbing Qin, 旸陈, 等. 光腔衰荡光谱技术研究AsH2自由基:&nbsp;&lt;italic&gt;&Atilde;&lt;/italic&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;italic&gt;A&lt;/italic&gt;&lt;sub&gt;1&lt;/sub&gt;(000)&minus;X&lt;sup&gt;~2&lt;/sup&gt;&lt;italic&gt;B&lt;/italic&gt;&lt;sub&gt;1&lt;/sub&gt;(000)[J]. Chinese Science Bulletin (Chinese Version), 2009.

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DOI：https://doi.org/10.1360/972009-782

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