首页> 外文期刊>Zeitschrift fur Naturforschung. A, A journal of physical sciences >Analysis of Internal Rotation and Determination of the Heavy Atom Structure of anti-2,3-Dimethylthiirane by Fourier Transform Microwave Spectroscopy
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Analysis of Internal Rotation and Determination of the Heavy Atom Structure of anti-2,3-Dimethylthiirane by Fourier Transform Microwave Spectroscopy

机译:傅里叶变换微波光谱法分析抗2,3-二甲基硫杂噻吩的内旋和重原子结构

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摘要

We used the advanced technique of Fourier transform microwave spectroscopy to measure and assign the ground state rotational spectrum of anti-2,3-dimethylthiirane, and to analyse the internal rotation of the two methyl groups. The potential parameters obtained are V_3 = 13.1678(21) and V′_(12) = -1.6678(25) kJ/mol. The measurement and assignment of the ~(13)C and ~(34)S isotopomers in the ground state allowed to determine the molecular structure of the heavy atom frame using the r_s and r_0 methods.
机译:我们使用先进的傅里叶变换微波光谱技术测量和分配了抗2,3,2-二甲基噻喃的基态旋转光谱,并分析了两个甲基的内部旋转。获得的电势参数为V_3 = 13.1678(21)和V'_(12)= -1.6678(25)kJ / mol。在基态下〜(13)C和〜(34)S异构体的测量和分配可以使用r_s和r_0方法确定重原子框架的分子结构。

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