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Electron-Pair Distribution in Chemical Bond Formation

机译:化学键形成中的电子对分布

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摘要

The chemical formation process has been studied from relaxation holes, Δ h ( u ), resulting from the difference between the radial intracule density and the nonrelaxed counterpart, which is obtained from atomic radial intracule densities and the pair density constructed from the overlap of the atomic densities. Δ h ( u ) plots show that the internal reorganization of electron pairs prior to bond formation and the covalent bond formation from electrons in separate atoms are completely recognizable processes from the shape of the relaxation hole, Δ h ( u ). The magnitude of Δ h ( u ), the shape of Δ h ( u ) ? u R _(eq), and the distance between the minimum and the maximum in Δ h ( u ) provide further information about the nature of the chemical bond formed. A computational affordable approach to calculate the radial intracule density from approximate pair densities has been also suggested, paving the way to study electron-pair distributions in larger systems.
机译:已经从弛豫孔,ΔH(u)中研究了化学形成过程,从而由径向间间密度和非填充对应物之间的差异,这是由原子径向间衣密度获得的,并且由原子重叠构成的对密度 密度。 ΔH(U)曲线表明,电子对在键合之前的内部重组和单独原子中的电子中的共价键形成是完全可识别的过程,来自弛豫孔的形状,ΔH(U)。 δh(u)的大小,δh(u)的形状? u r _(eq)和Δh(u)中最小值和最大值之间的距离提供了有关所形成的化学键的性质的进一步信息。 还提出了一种计算来自近似对密度的径向间间密度的计算经济实惠的方法,铺平了在较大系统中研究电子对分布的方式。

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    Kimika Fakultatea Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC). P.K. 1072 20080 Donostia Euskadi Spain;

    Kimika Fakultatea Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC). P.K. 1072 20080 Donostia Euskadi Spain;

    Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química University of Girona C/ Maria Aurèlia Capmany 69 17003 Girona Catalonia Spain;

    Kimika Fakultatea Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC). P.K. 1072 20080 Donostia Euskadi Spain;

    Kimika Fakultatea Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC). P.K. 1072 20080 Donostia Euskadi Spain;

    Kimika Fakultatea Euskal Herriko Unibertsitatea UPV/EHU and Donostia International Physics Center (DIPC). P.K. 1072 20080 Donostia Euskadi Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理化学(理论化学)、化学物理学;
  • 关键词

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