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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Full-Dimensional Potential Energy Surface and Ro-vibrational Levels of Dioxirane
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Full-Dimensional Potential Energy Surface and Ro-vibrational Levels of Dioxirane

机译:二环氧乙烷的全尺寸势能面和Ro-振动能级

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摘要

A full-dimensional potential energy surface is developed for dioxirane based on a high-fidelity fit of similar to 46,000 ab initio points at the CCSD(T)-F12a/AVTZ level. The ro-vibrational levels of dioxirane were computed using the MULTIMODE method on this potential energy surface, and the agreement with the available experimental microwave spectrum is quite satisfactory. In addition, dipole moment surfaces have been constructed from ab initio data, and they allow the prediction of the infrared (IR) spectrum.
机译:基于CCSD(T)-F12a / AVTZ级别的近似46,000 ab的高保真度,为二环氧乙烷开发了全尺寸势能面。使用MULTIMODE方法在该势能表面上计算了二环氧乙烷的旋转振动水平,并且与可用的实验微波光谱的一致性非常令人满意。此外,偶极矩表面已经从头算数据中构建出来,它们可以预测红外(IR)光谱。

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