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首页> 外文期刊>The Journal of Chemical Physics >HIGH RESOLUTION INFRARED SPECTRA OF H-2-AR, HD-AR, AND D-2-AR VAN DER WAALS COMPLEXES BETWEEN 160 AND 8620CM(-1)
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HIGH RESOLUTION INFRARED SPECTRA OF H-2-AR, HD-AR, AND D-2-AR VAN DER WAALS COMPLEXES BETWEEN 160 AND 8620CM(-1)

机译：160和8620CM（-1）之间的H-2-AR，HD-AR和D-2-AR范德华络合物的高分辨率红外光谱

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摘要

Spectra of weakly bound hydrogen-argon complexes have been studied at high spectral resolution (0.04-0.10 cm(-1)) using a long-path (154 m), low-temperature (77 K) absorption cell and a Fourier transform infrared spectrometer. The observations cover a wide spectral range from the far-infrared D-2-Ar S-0(0) band at 180 cm(-1) to the near-infrared H-2-Ar S-2(1) band at 8600 cm(-1). Compared to earlier studies, the new results have considerably improved resolution and accuracy. They also extend to new regions, namely the first overtone band of H-2 and the pure rotational band of H-2 and D-2, and they include weak transitions involving excitation of the van der Waals stretching motion. These data serve as a basis for determining a greatly improved three-dimensional intermolecular potential energy surface for the hydrogen-argon system in the following paper. [References: 35]
机译：使用长距离（154 m），低温（77 K）吸收池和傅里叶变换红外光谱仪，已在高光谱分辨率（0.04-0.10 cm（-1））下研究了弱键合氢-氩配合物的光谱。观测范围涵盖了从180 cm（-1）的远红外D-2-Ar S-0（0）波段到8600的近红外H-2-Ar S-2（1）波段的宽光谱范围厘米（-1）。与早期研究相比，新结果大大提高了分辨率和准确性。它们还延伸到新的区域，即H-2的第一个泛音带以及H-2和D-2的纯旋转带，并且它们包括涉及范德华拉伸运动激发的弱过渡。这些数据为确定氢氩系统的三维分子间势能表面提供了极大改进的基础。 [参考：35]

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