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首页> 外文期刊>Chemical Physics Letters >Electron affinities of d~1 transition metal chloride clusters and onset of super halogen behavior
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Electron affinities of d~1 transition metal chloride clusters and onset of super halogen behavior

机译:d〜1过渡金属氯化物簇的电子亲合力和超卤素行为的开始

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摘要

Geometry, electronic structure, and electron affinity of d~1 transition metal chloride clusters (MCl_n, M = Sc, Y, La; n = 1-5) have been calculated using density functional theory. Chlorine atoms are chemically bound in all cases except for MCl_5. The electron affinities of MCl_n (n = 1-3) are small and increase only marginally as a function of n until the valence of the metal atom is consumed. Beyond this, they rise sharply and reach a value of 5.96, 6.03 and 5.90 eV for ScCl _4, YCl_4 and LaCl_4, respectively and remain high for n = 5. MCl_n, (n = 4,5) clusters, therefore, behave as superhalogens. Results are compared with available experimental data.
机译:利用密度泛函理论计算了d〜1过渡金属氯化物簇(MCl_n,M = Sc,Y,La; n = 1-5)的几何结构,电子结构和电子亲和力。在所有情况下,除MCl_5以外,氯原子都是化学键合的。 MCl_n(n = 1-3)的电子亲和力很小,并且仅随n的增加而略微增加,直到消耗了金属原子的化合价。除此之外,对于ScCl _4,YCl_4和LaCl_4,它们急剧上升并分别达到5.96、6.03和5.90 eV的值,并在n = 5时保持高。MCl_n,(n = 4,5)团簇,因此表现为超卤素。将结果与可用的实验数据进行比较。

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