The geometry structures and electronic properties of LimBn (m + n = 12) clusters

The geometric structures, electronic properties, total and binding energies, harmonic frequencies, the highest occupied molecular orbital to the lowest unoccupied molecular orbital energy gaps, and the vertical ionization potential energies of small LimBn (m+ n = 12) clusters were investigated by th...

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Veröffentlicht in:中国物理B:英文版 2014 (3), p.206-211
1. Verfasser: 阮文 谢安东 伍冬兰 罗文浪 余晓光
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Sprache:eng
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Zusammenfassung:The geometric structures, electronic properties, total and binding energies, harmonic frequencies, the highest occupied molecular orbital to the lowest unoccupied molecular orbital energy gaps, and the vertical ionization potential energies of small LimBn (m+ n = 12) clusters were investigated by the density functional theory B3LYP with a 6-31 I+G (2d, 2p) basis set. All the calculations were performed using the Gaussian09 program. For the study of the LimBn clusters, the global minimum of the B 12 cluster was chosen as the starting point and the boron atoms were gradually replaced by Li atoms. The results showed that as the number of Li atoms increased, the stability of the LimBn cluster decreased and the physical and chemical properties became more active. In addition, on average there was a large charge transfer from the Li atoms to the B atoms.
ISSN:1674-1056
2058-3834