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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Microwave Spectra and Structure of the Argon?Cyclopentanone and Neon?Cyclopentanone van der Waals Complexes
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Microwave Spectra and Structure of the Argon?Cyclopentanone and Neon?Cyclopentanone van der Waals Complexes

机译：氩环戊酮和氖环戊酮范德华配合物的微波光谱和结构

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摘要

The rotational spectra of cyclopentanone and its van der Waals complexes with argon and neon have been observed with a Balle?Flygare type pulsed jet Fourier transform microwave spectrometer in the 6 to 20 GHz region. This work improves the rotational constants and quartic centrifugal distortion constants for cyclopentanone and its five ~(13)C and the ~(18)O isotopologues. The argon?~(12)C_5H_8~(16)O van der Waals complex has rotational constants of A = 2611.6688, B = 1112.30298, and C = 971.31969 MHz. The ~(20)Ne?~(12)C_5H_8~(16)O complex has rotational constants of A = 2728.8120, B = 1736.5882, and C = 1440.4681 MHz. In addition, the five unique, singly substituted ~(13)C and ~(18)O isotopologues of the argon complex are reported. The five single-substituted ~(13)C of the ~(20)Ne complex and the ~(22)Ne-~(12)C_5H_8~(16)O complex are reported. The rare gases are in van der Waals contact with the carbonyl α carbon and nearly in contact with the hydrogen on β and γ carbons toward the back of the ring.
机译：用Balle？Flygare型脉冲射流傅里叶变换微波光谱仪在6至20 GHz范围内观察到了环戊酮及其与氩和氖的范德华配合物的旋转光谱。这项工作提高了环戊酮及其5个〜（13）C和〜（18）O同位素异构体的旋转常数和四次离心畸变常数。氩气？〜（12）C_5H_8〜（16）O范德瓦尔斯络合物的旋转常数为A = 2611.6688，B = 1112.30298和C = 971.31969 MHz。 〜（20）Ne 2〜（12）C_5H_8〜（16）O络合物具有A ＝ 2728.8120，B ＝ 1736.5882和C ＝ 1440.4681MHz的旋转常数。另外，据报导有五个独特的，单取代的〜（13）C和〜（18）O同位素同位素。报道了〜（20）Ne络合物和〜（22）Ne-〜（12）C_5H_8〜（16）O络合物的五个单取代的〜（13）C。稀有气体在范德华斯力中与羰基α碳接触，并几乎与环背面的β和γ碳上的氢接触。

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