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cnb4(n=2~7)团簇的结构、稳定性和成键性质

Keywords: 硼碳团簇,结构,稳定性,芳香性,密度泛函理论

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Abstract:

采用ccsd(t)/6-311+g(d)//b3lyp/6-311+g(d)方法对cnb4(n=2~7)团簇的几何结构、稳定性、成键特性和势能面进行了研究.cnb4(n=2~7)的最低能量结构为单重态的封闭的环状结构,具有有趣的生长模式,这些最低能量结构存在较强的三中心键,归因于σ和π键的协同作用.能量分析表明,a1(c2b4)、c1

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