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用密度泛函理论(DFT)中的杂化密度泛函B3LYP方法,在6-31G*水平上对Mg2B6、Mg4B10、Mg6B13和Mg8816团簇的层状结构进行了几何结构优化,并在同一水平上计算了其电子结构、振动特性和成键特性.结果表明:团簇中Mg-B键长在0.225~0.235 nm,B-B键长在0.154~0.191 nm;Mg原子的自然电荷在+1.24~+1.45e之间,B原子的自然电荷在-0.29~1.10e之间;Mg4B10团簇有相对较高的动力学稳定性.

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