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首页> 外文期刊>Chemical Physics Letters >Rotational spectra and structure of the floppy C2H4-H2S complex: bridging hydrogen bonding and van der Waals interactions
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Rotational spectra and structure of the floppy C2H4-H2S complex: bridging hydrogen bonding and van der Waals interactions

机译:松散的C2H4-H2S配合物的旋转光谱和结构:桥接氢键和范德华相互作用

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摘要

This Communication reports the rotational spectrum of a weakly bound C2H4-H2S complex which appears to be a composite of rotational spectra of the hydrogen bonded C2H4-H2O and the van der Waals Complex C2H4-Ar, reported earlier. Each transition is split in to four with a smaller splitting of about 0.14 MHz and a larger splitting of 1.67 MHz in (B + C)/2. Results for D2S and HDS isotopomers suggest that the smaller splitting is due to C2H4 tunneling and the larger splitting is due to internal rotation of H2S. The equilibrium structure shows S-H...pi bonding. (C) 2004 Elsevier B.V. All rights reserved.
机译:该来文报告了弱结合的C2H4-H2S配合物的旋转光谱,该复合物似乎是氢键键合的C2H4-H2O和范德华配合物C2H4-Ar的旋转光谱的复合物,先前已报道过。每个跃迁均分为四部分,在(B + C)/ 2中,较小的部分约为0.14 MHz,较大的部分为1.67 MHz。 D2S和HDS同位素异构体的结果表明,较小的裂解是由于C2H4隧穿,而较大的裂解是由于H2S的内部旋转。平衡结构显示S-H ... pi键。 (C)2004 Elsevier B.V.保留所有权利。

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