A parallel band at 2,200 cm−1 and a perpendicular band at 2,780 cm−1 of CH3D have been observed under high resolution and analysed. The analysis of the perpendicular band revealed the presence of l-type doubling in the doubly degenerate excited state. From the analysis of the parallel band it is found that B0= 3.880 cm−1. A hybrid band of CD3H has been observed near 2,600 cm−1. Both active components, A and E are observed and analysed. The ground state B0 value found from this analysis is in good agreement with previous determinations.
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机译：在高分辨率下观察到并分析了CH3D在2,200 cm -1 的平行带和在2,780 cm -1 的垂直带。垂直谱带的分析表明，在双简并激发态下存在l型加倍。从平行带的分析发现，B0 ＝ 3.880cm -1 。在2,600 cm -1 附近观察到了CD3H杂化带。观察并分析了两种活性成分A和E。通过该分析发现的基态B0值与先前的确定非常吻合。
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