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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation
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Carbon 1s Photoelectron Spectroscopy of Halomethanes. Effects of Electronegativity, Hardness, Charge Distribution, and Relaxation

机译：卤代甲烷的碳1s光电子能谱。电负性，硬度，电荷分布和松弛的影响

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摘要

Carbon 1s ionization energies have been measured for 12 halomethanes. These together with earlier measurements provide 27 compounds for investigating the relationship between core-ionization energies and the electronegativity and hardness of the halogens. The ionization energies correlate nearly linearly with the sum of the electronegativities of the halogens attached to the central carbon. Both electronegativity and hardness play important roles in determining the ionization energy, and it is found that the linear relationship between ionization energy and electronegativity arises from an interplay of the electronegativity and hardness of the halogens and the length and ionicity of the carbon-halogen bond.
机译：已测量了12种卤代甲烷的碳1s电离能。这些与较早的测量结果一起提供了27种化合物，用于研究核电离能与卤素的电负性和硬度之间的关系。电离能几乎与附着在中心碳上的卤素的电负性之和成线性关系。电负性和硬度在确定电离能方面都起着重要作用，并且发现电离能与电负性之间的线性关系源于卤素的电负性和硬度以及碳-卤素键的长度和电离性的相互作用。

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