Synchrotron-based far-infrared spectroscopy of furan: Rotational analysis of the ν_(14), ν_(11), ν_(18) and ν_(19) vibrational levels

Tokaryk D.W.; Culligan S.D.; Billinghurst B.E.; Van Wijngaarden J.A.

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Synchrotron-based far-infrared spectroscopy of furan: Rotational analysis of the ν_(14), ν_(11), ν_(18) and ν_(19) vibrational levels

机译：呋喃的基于同步加速器的远红外光谱：ν_（14），ν_（11），ν_（18）和ν_（19）振动能级的旋转分析

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摘要

Four vibrational levels of the five-membered ring molecule furan (C _4H_4O) have been rotationally analyzed from far-infrared Fourier transform spectra obtained at the Canadian Light Source synchrotron. We found that the low-lying ν_(14) and ν_(11) levels at 602.9 and 599.6 cm~(-1) interact through a second-order Coriolis resonance. This perturbation was characterized through a coupled analysis of the ν_(14) and ν_(18) fundamental spectra and the ν_(18)-ν_(11) band. The ν_(19) fundamental spectrum was analyzed as well, and the data for all observed bands were combined with previously reported microwave transitions to produce the final fit. The spectra are an excellent demonstration of the high quality of data that can be obtained when far-infrared synchrotron radiation is used as the radiation source in Fourier transform spectroscopy experiments.

机译：根据加拿大光源同步加速器获得的远红外傅里叶变换光谱，对五元环分子呋喃（C _4H_4O）的四个振动能级进行了旋转分析。我们发现在602.9和599.6 cm〜（-1）处的低伏ν_（14）和ν_（11）水平通过二阶科里奥利共振相互作用。通过对ν_（14）和ν_（18）基本谱以及ν_（18）-ν_（11）谱带进行耦合分析来表征这种摄动。还对ν_（19）基波谱进行了分析，并将所有观察到的波段的数据与以前报道的微波跃迁结合在一起，以产生最终拟合。光谱很好地证明了当在傅立叶变换光谱实验中将远红外同步加速器辐射用作辐射源时可以获得的高质量数据。

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《Journal of Molecular Spectroscopy》 |2011年第1期|共5页
作者
Tokaryk D.W.; Culligan S.D.; Billinghurst B.E.; Van Wijngaarden J.A.;
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正文语种 eng
中图分类分子光谱;
关键词
Coriolis perturbation; Far-infrared; FTIR; Furan; Synchrotron;

机译：科里奥利摄动;远红外;FTIR;呋喃;同步加速器;

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1. Synchrotron-based far-infrared spectroscopy of furan: Rotational analysis of the ν_(14), ν_(11), ν_(18) and ν_(19) vibrational levels [J] . Tokaryk D.W., Culligan S.D., Billinghurst B.E., Journal of Molecular Spectroscopy . 2011,第1期

机译：呋喃的基于同步加速器的远红外光谱：ν_（14），ν_（11），ν_（18）和ν_（19）振动能级的旋转分析
2. (5 S )-5-[(4a R ,8a S ,9 E ,11 S ,13 R ,14 S ,16 R ,17 R ,19 S )-11,19-Dihydroxy-8,10,13,16-tetramethyl-18-methylidene-3,4,5,6,8a,11,12,13,14,15,16,17,18,19,20,21-hexadecahydro-2 H -14,17-epoxybenzo[2,3]cyclohexadeca[1,2- b ]pyridine-7-yl]-3-methylfuran-2(5 H )-one (12-Methylgymnodimine B) [J] . Wendy Strangman, Matthew Anttila, Carmelo Tomas, Molbank . 2016,第2期

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机译：（5s）-5 - [（4aR，8as，9E，11s，13R，14s，16R，17R，19s）-11.19二羟基8,10,13,16四甲基-18-亚甲基-3,4- ，5,6,8a，11,12,13,14,15,16,17,18,19,20,21-十六氢-2H-14,17-epoxybenzo [2,3] cyclohexadeca〔1,2-b ]吡啶-7-基] -3-甲基呋喃-2（5H） - 酮（12-甲基高效二甲基亚胺B）

Synchrotron-based far-infrared spectroscopy of furan: Rotational analysis of the ν_(14), ν_(11), ν_(18) and ν_(19) vibrational levels

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