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About the nature of halogen bond interaction under the spatial confinement

机译:关于空间限制下卤素键相互作用的性质

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Nowadays, much attention is put toward the description of noncovalent complexes exposed to the high pressure or embedded in confining environments. Such conditions may strongly modify the physical and chemical properties of molecular systems. This study focuses on the theoretical description of the confinement induced changes in geometry and energetic parameters of the halogen bonded FCl center dot center dot center dot CNF complex. A model analytical potential is applied to render the effect of orbital compression. In order to analyze the nature of halogen bond interaction, in the presence of spatial confinement, the supermolecular approach together with the symmetry-adapted perturbation theory is used. Furthermore, a thorough analysis of topological parameters, characterizing the halogen bond upon orbital compression, is performed within the quantum theory of atoms in molecules. The calculations are carried out using the omega B97x and CCSD(T) methods in connection with the aug-cc-pVTZ basis set. Among others, the obtained results indicate that the spatial confinement not only modifies the nature of halogen bond interaction but also induces the appearance of a completely new form of the studied FCl center dot center dot center dot CNF system. Published by AIP Publishing.
机译:如今,对暴露于高压或嵌入在限制环境中的非共价复合物的描述中施加了很多关注。这种条件可能强烈地修改分子系统的物理和化学性质。本研究重点研究了卤素键合FCL中心点中心点CNF复合物的卤素键合的几何和能量参数的监禁诱导变化的理论描述。模型分析潜力用于呈现轨道压缩的效果。为了分析卤素键相互作用的性质,在空间限制存在下,使用具有对称适应的扰动理论的超分子方法。此外,在分子中原子的量子原子的量子原子中进行拓扑参数的彻底分析,其表征轨道压缩。使用欧米茄B97x和CCSD(T)方法与AUG-CC-PVTZ基础集合进行计算进行计算。在其他结果中,所获得的结果表明空间限制不仅改变了卤素键相互作用的性质,而且还诱导了所研究的FCL中心点中心点中心点CNF系统的全新形式的外观。通过AIP发布发布。

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