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Citation: Wu Hai-Shun, Xu Xiao-Hong, Zhang Cong-Jie, Zhou Wei-Liang. Theoretical Study on the Structures and Stabilization of Metallic Borides[J]. Acta Physico-Chimica Sinica, ;1997, 13(03): 258-263. doi: 10.3866/PKU.WHXB19970314 shu

Theoretical Study on the Structures and Stabilization of Metallic Borides

1.
Department of Chemistry,Shanxi Normal University,Linfen 041004

Received Date: 1 November 1996
Available Online: 15 March 1997

By using ab initio (at the HF/3-21G* level) and analytic energy gradients method. We have optimized 75 electronic states of geomitric configurations for MB2/MB2+ (M=Li,Na,Be,Mg,Al) series. On the basis of these optimized results, total energies have been calculated by using single-point method at the QClSD(T)/6-311G* level. In order to investigate the stability of the clusters, we also optimized more than 70 electronic states of 24 fragments with energies obtained at the QCISD(T) level. In the meantime, we have calculated atomization energies, fragmentation energies, ionization potential energies and dissociation channels of MB2/MB2+.
- Ab initio,
- Atomic cluster,
- Stability,
- Dissociation channels,
- Fragmentation energies
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