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Are noble gas molecules able to exhibit a superhalogen nature?

机译:高贵的气体分子是否能够出现过量性质?

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摘要

Superhalogens are a class of highly electronegative molecules whose electron affinities even exceed those of the halogen elements. Since such species can serve as new oxidizing agents, biocatalysts, and building blocks of unusual salts, they are important to the chemical industry. The ability of noble gas (Ng) atoms to form stable mononuclear (NgF(7)(-)) and dinuclear (Ng(2)F(13)(-)) superhalogen anions has been reported. Theoretical considerations supported by ab initio calculations revealed that Ng atoms (i.e. Kr, Xe, Rn) should form strongly bound anionic systems when combined with fluorine atoms (acting as ligands). Particularly, those anionic molecules exhibit larger vertical electron detachment energies (6.97-9.56 eV) than that of the chlorine atom (3.62 eV), confirming their superhalogen nature. We believe that the results provided in this contribution will not only provide evidence of a new type of superhalogen molecule but also stimulate more research interest and efforts in the amazing superatom realm.
机译:超卤素是一类高电负剂分子,其电子亲和力甚至超过卤素元素的那些。由于这些物种可以作为新的氧化剂,生物催化剂和不寻常的盐的构建块,它们对化学工业很重要。已经报道了贵族气体(NG)原子形成稳定单核(NGF(7)( - ))和二核(Ng(2)F(13)( - ))过卤素阴离子的能力。 AB初始计算支持的理论考虑因素显示Ng原子(即Kr,Xe,Rn)应在与氟原子组合时形成强烈的阴离子系统(用作配体)。特别是,那些阴离子分子表现出较大的垂直电子分离能(6.97-9.56eV)比氯原子(3.62eV)的垂直电子分离能(6.97-9.56eV),确认其过卤素性质。我们认为,本贡献中提供的结果不仅提供了一种新型过卤素分子的证据,还提供了令人惊叹的超级领域的更多研究兴趣和努力。

著录项

  • 来源
    《RSC Advances》 |2016年第105期|共10页
  • 作者

    Sikorska Celina;

  • 作者单位

    Univ Gdansk Fac Chem Dept Theoret Chem Lab Mol Modeling Wita Stwosza 63 PL-80308 Gdansk Poland;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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