Journal
CHEMICAL PHYSICS LETTERS
Volume 615, Issue -, Pages 56-61Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2014.09.049
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Funding
- Scientific Research Fund of Hebei Provincial Department of Education [ZH2012023]
- Knowledge Innovation Program of the Chinese Academy of Sciences [KJCX2-EW-H01]
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The Bi2Aln- (n = 1-4) clusters were investigated by anion photoelectron spectroscopy and density functional theory calculations. By photoelectron spectroscopy the vertical detachment energies of Bi2Aln- (n = 1-4) 1-4) were determined to be 2.12 +/- 0.08, 2.32 +/- 0.08, 2.66 +/- 0.08, and 2.15 +/- 0.08 eV, respectively. The structures of Bi2Aln- (n = 1-4) were determined by comparison of photoelectron experiments and calculations. It is found that Bi2Aln- (n = 1-4) anions all have a Bi-2 unit inside their structures, in which the Bi-Bi bond lengths are in the range of 2.81-3.08 angstrom. The natural population analysis shows that the negative charges mainly localized on the Bi2 unit inside the most probable structures. (C) 2014 Elsevier BAT. All rights reserved.
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