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首页> 外文期刊>Chemical Physics Letters >Mass analyzed threshold ionization spectroscopy of 7-azaindole cation
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Mass analyzed threshold ionization spectroscopy of 7-azaindole cation

机译:7-氮杂吲哚阳离子的质谱分析阈值电离光谱

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摘要

The vibrationally resolved mass analyzed threshold ionization (MATI) spectra of jet-cooled 7-azaindole have been recorded by ionizing via four different intermediate levels. The adiabatic ionization energy of this molecule is determined to be 65462 +/- 5 cm(-1), which is greater than that of indole by 2871 cm(-1). The vibrational spectra of 7-azaindole in the S, and Do states have been successfully assigned by comparing the measured frequencies with those of indole as well as the predicted values from the ab initio calculations. Detailed analysis on the MATI spectra shows that the structure of the cation is somewhat different from that of this species in the neutral S, state. (C) 2003 Elsevier B.V. All rights reserved. [References: 17]
机译:通过四个不同的中间离子水平进行电离,记录了喷射冷却的7-氮杂吲哚的振动分辨质量分析阈值电离(MATI)光谱。确定该分子的绝热电离能为65462 +/- 5 cm(-1),比吲哚的绝热电离能大2871 cm(-1)。通过比较实测频率与吲哚的频率以及从头算的预测值,已成功分配了S和Do状态下7-氮杂吲哚的振动光谱。对MATI光谱的详细分析表明,在中性S状态下阳离子的结构与该物种的结构有些不同。 (C)2003 Elsevier B.V.保留所有权利。 [参考:17]

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