期刊
CHEMICAL PHYSICS LETTERS
卷 450, 期 4-6, 页码 175-177出版社
ELSEVIER
DOI: 10.1016/j.cplett.2007.11.030
关键词
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The boron buckyball avoids the high symmetry icosahedral cage structure. The previously reported I-h symmetric structure is not an energy minimum in the potential energy surface and exhibits a spontaneous symmetry breaking to yield a puckered cage with a rare T-h symmetry. The HOMO-LUMO gap is twice as large as the reported value and amounts to 1.94 eV at B3LYP/6-31G(d) level. The valence orbital structure of boron buckyball is identical to the one in the carbon analogue. (C) 2007 Elsevier B.V. All rights reserved.
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