Pure rotational spectrum and ring inversion tunnelling of silacyclobutane

Van Wijngaarden J.; Chen Z.; Van Dijk C.W.; Sorensen J.L.

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Pure rotational spectrum and ring inversion tunnelling of silacyclobutane

机译：硅环丁烷的纯旋转光谱和环反隧穿

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The ground state pure rotational spectrum of silacyclobutane (SCB) (c-SiH_2C_3H_6) has been investigated using both Fourier transform microwave (FTMW) and chirped pulse Fourier transform microwave (cp-FTMW) spectroscopies. Spectra of the ~(13)C, ~(29)Si, and ~(30)Si singly substituted isotopologues, in natural abundance, were recorded in the 6-24 GHz region along with those of the normal species. The ring inversion tunnelling splitting in the ground vibrational state was resolved and analyzed to determine the energy splitting of the two states: 75.7260(19) MHz. Structural analysis based on heavy atom substitution provided accurate geometric parameters including the bond lengths, bond angles, and ring puckering angle of the SCB ring backbone.

机译：使用傅立叶变换微波（FTMW）和chi脉冲傅立叶变换微波（cp-FTMW）光谱学方法研究了硅环丁烷（SCB）（c-SiH_2C_3H_6）的基态纯旋转光谱。在6-24 GHz区域中记录了自然丰度中〜（13）C，〜（29）Si和〜（30）Si单取代的同位素的光谱，以及正常物种的光谱。解析并分析了在地面振动状态下的环型反演隧穿分裂，以确定两种状态的能量分裂：75.7260（19）MHz。基于重原子取代的结构分析提供了准确的几何参数，包括SCB环骨架的键长，键角和环皱角。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2011年第31期|共6页
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Van Wijngaarden J.; Chen Z.; Van Dijk C.W.; Sorensen J.L.;
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1. Pure rotational spectrum and ring inversion tunnelling of silacyclobutane [J] . Van Wijngaarden J., Chen Z., Van Dijk C.W., The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2011,第31期

机译：硅环丁烷的纯旋转光谱和环反隧穿
2. Synchrotron-based far infrared study of the rotation-vibration-inversion spectrum of silacyclobutane below 500 cm~(?1): The _(ν29) and _(ν30) bands [J] . Ziqiu Chen, Jennifer van Wijngaarden The Journal of Chemical Physics . 2013,第24期

机译：小于500 cm〜（？1）的硅环丁烷旋转振动反转光谱的基于同步加速器的远红外研究：_（ν29）和_（ν30）谱带
3. The effects of nitrogen inversion tunneling, methyl internal rotation, and 14N quadrupole coupling observed in the rotational spectrum of diethyl amine [J] . Ha Vinh Lam Nguyen and Wolfgang Stahl Journal of Chemical Physics . 2011,第2期

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4. A New Method for Obtaining Aerosol Backscattering Ratio with Partial Pure Rotational Raman Spectrum [C] . Wang Yuzhao, Zhang Yinchao, Chen Siying, Optoelectronic measurement technology and systems . 2009

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5. Implementation of a Rotationally Symmetric Ring Ion Trap and Coherent Control of Rotational States [D] . Urban, Erik . 2019

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6. Evaluating Foot Kinematics Using Magnetic Resonance Imaging: From Maximum Plantar Flexion Inversion and Internal Rotation to Maximum Dorsiflexion Eversion and External Rotation [O] . Michael J. Fassbind, Eric S. Rohr, Yangqiu Hu, -1

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7. The effects of nitrogen inversion tunneling, methyl internal rotation, and14N quadrupole coupling observed in the rotational spectrum of diethyl amine [O] . Ha Vinh Lam Nguyen, Wolfgang Stahl 2011

机译：氮胺的旋转谱观察氮反转隧道，甲基内旋转，甲基内旋转耦合的影响
8. The Rotation-Inversion Spectrum of Ammonia [R] . Dowling, J. M. 1968

机译：氨的旋转 - 反转谱

Pure rotational spectrum and ring inversion tunnelling of silacyclobutane

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