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首页> 外文期刊>The Journal of Chemical Physics >Theoretical rotation-vibration spectroscopy of cis- and trans-diphosphene (P2H2) and the deuterated species P2HD
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Theoretical rotation-vibration spectroscopy of cis- and trans-diphosphene (P2H2) and the deuterated species P2HD

机译:CIS-和反式二膦(P2H2)和氘化物种P2HD的理论旋转 - 振动光谱

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摘要

Growing astronomical interest in phosphorous (P) chemistry is stimulating the search for new interstellar P-bearing molecules, a task requiring detailed knowledge of the microwave and infrared molecular spectrum. In this work, we present comprehensive rotation-vibration line lists of the cis- and trans-isomers of diphosphene (P2H2). The line lists have been generated using robust, first-principles methodologies based on newly computed, high-level ab initio potential energy and dipole moment surfaces. Transitions are considered between states with energies up to 8000 cm(-1) and total angular momentum J <= 25. These are the first-ever line lists to be reported for P2H2, and they should significantly facilitate future spectroscopic characterization of this system. The deuterated species trans-P2HD and the effect of its dynamic dipole moment on the rovibrational spectrum are also discussed. Published under license by AIP Publishing.
机译:生长的天文学对磷(P)化学的兴趣正在刺激寻找新的星际肺部致脉管分子,这是需要详细了解微波和红外分子谱的任务。 在这项工作中,我们呈现了二维膦的顺式和反式异构体(P2H2)的综合旋转振动线列表。 已经使用基于新计算的高级AB Initio潜在能量和偶极矩表面的鲁棒,第一原理方法生成了线列表。 在具有8000cm(-1)的状态之间的状态下考虑过渡,并且总角动量J <= 25.这些是用于P2H2的第一个线条列表,它们应该显着促进该系统的未来光谱性表征。 还讨论了氘化物种Trans-P2HD及其动态偶极矩对振动谱的影响。 通过AIP发布在许可证下发布。

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