Theoretical Study on Stable Structures of Aluminium Cluster: Al5+
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摘要: 采用密度泛函理论的 4种方法 :杂化密度泛函B3LYP与B3PW91 ,Perdew Wang91交换与关联泛函WP91PW91、局域自旋密度近似SVWN ,研究了铝原子正离子团簇Al+ 5的多种可能结构,找到了一种新的最稳定的结构与自旋态,即单重态三维C2v结构 ,并对上述 4种DFT方法在结构优化与频率计算方面作了比较与讨论. Four methods (B3LYP,B3PW91,PW91PW91,SVWN) of density fun ctional theory with the polarized split-valence basis sets 6-311+G(3df) have been adopted to further i nvestigate the stable structures and the spin multiplicities for Al + 5 cluste rs. Six possible structures with different spin multiplicities for aluminium clu ster Al + 5 have been investigated respectively. A new most stable structure and spin multiplicity for aluminium cluster Al+5 has been found, that is ...Abstract: Four methods (B3LYP,B3PW91,PW91PW91,SVWN) of density fun ctional theory with the polarized split-valence basis sets 6-311+G(3df) have been adopted to further i nvestigate the stable structures and the spin multiplicities for Al + 5 cluste rs. Six possible structures with different spin multiplicities for aluminium clu ster Al + 5 have been investigated respectively. A new most stable structure and spin multiplicity for aluminium cluster Al+5 has been found, that is ...
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Key words:
- aluminium cluster /
- density functional theory /
- spin multiplicity
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