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Ligand and Solvation Effects on the Electronic Properties of Au-55 Clusters: A Density Functional Theory Study

机译:配体和溶剂化对Au-55团簇电子性质的影响:密度泛函理论研究

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摘要

The electronic properties of the neutral, positively and negatively charged bare Au-55, passivated Au-55(PH3)(12), Au-55(PH3)(12)Cl-6, and solvated Au-55(PH3)(12)Cl-6 54 H2O clusters are studied using density functional theory. The presence of Cl atoms in the ligand shell favors a nonmetallic behavior while a more metallic behavior is induced by explicit solvation of Au-55(PH3)(12)Cl-6 with water molecules. The trends observed in the electronic properties upon ligation and solvation are in agreement with experimental studies,
机译:中性,带正电和带负电的裸Au-55,钝化的Au-55(PH3)(12),Au-55(PH3)(12)Cl-6和溶剂化的Au-55(PH3)(12)的电子性质利用密度泛函理论研究了Cl-6 54 H2O团簇。配体壳中Cl原子的存在有利于非金属行为,而Au-55(PH3)(12)Cl-6与水分子的明显溶剂化则诱导了更多的金属行为。连接和溶剂化后观察到的电子性质趋势与实验研究一致,

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