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- Title
The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB 4 − and BiB 5 −.
- Authors
Choi, Hyun Wook; Chen, Wei-Jia; Kocheril, G. Stephen; Yuan, Dao-Fu; Wang, Lai-Sheng
- Abstract
We present an investigation on the structures and chemical bonding of two Bi-doped boron clusters BiBn− (n = 4, 5) using photoelectron spectroscopy and theoretical calculations. The electron affinities of BiB4 and BiB5 are measured to be 2.22(2) eV and 2.61(2) eV, respectively. Well-resolved photoelectron spectra are obtained and used to compare with theoretical calculations to verify the structures of BiB4− and BiB5−. Both clusters adopt planar structures with the Bi atom bonded to the periphery of the planar Bn moiety. Chemical bonding analyses reveal that the Bn moiety maintains σ and π double-aromaticity. The Bi atom is found to induce relatively small structural changes to the Bn moiety, very different from transition metal-doped boron clusters.
- Subjects
CHEMICAL bonds; PHOTOELECTRON spectroscopy; ANALYTICAL chemistry; BISMUTH; ELECTRON affinity; CHEMICAL structure; BORON
- Publication
Inorganics, 2023, Vol 11, Issue 10, p405
- ISSN
2304-6740
- Publication type
Article
- DOI
10.3390/inorganics11100405