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使用基于密度泛函理论(DFT)的DMol3程序包,研究了夹心多核茂合物Cp2Mgn的几何结构、电子结构和储氢性能.研究表明:夹心原子对体系结构影响微弱;Mg-Mg间形成共价σ单键,Mg-Cp间形成离域π共价键;Cp2Mg2和Cp2Mg3最多可分别吸附氢分子4个和10个,吸附能分别为0.252 eV/H2和0.291 eV/H2,储氢量分别为4.32wt%和9.03wt%.

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