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Inorganics
Volume 11
Issue 10
10.3390/inorganics11100405
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Article

The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB4− and BiB5−

by
Hyun Wook Choi
,
Wei-Jia Chen
,
G. Stephen Kocheril
,
Dao-Fu Yuan
* and
Lai-Sheng Wang
*
Department of Chemistry, Brown University, 324 Brook Street, Providence, RI 02912, USA
*
Authors to whom correspondence should be addressed.
Inorganics 2023, 11(10), 405; https://doi.org/10.3390/inorganics11100405
Submission received: 24 September 2023 / Revised: 12 October 2023 / Accepted: 12 October 2023 / Published: 14 October 2023
(This article belongs to the Special Issue Boron Chemistry: Fundamentals and Applications)
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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.
Keywords: photoelectron spectroscopy; metal boron clusters; bismuth; chemical bonding; planar clusters photoelectron spectroscopy; metal boron clusters; bismuth; chemical bonding; planar clusters
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MDPI and ACS Style

Choi, H.W.; Chen, W.-J.; Kocheril, G.S.; Yuan, D.-F.; Wang, L.-S. The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB4− and BiB5−. Inorganics 2023, 11, 405. https://doi.org/10.3390/inorganics11100405

AMA Style

Choi HW, Chen W-J, Kocheril GS, Yuan D-F, Wang L-S. The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB4− and BiB5−. Inorganics. 2023; 11(10):405. https://doi.org/10.3390/inorganics11100405

Chicago/Turabian Style

Choi, Hyun Wook, Wei-Jia Chen, G. Stephen Kocheril, Dao-Fu Yuan, and Lai-Sheng Wang. 2023. "The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB4− and BiB5−" Inorganics 11, no. 10: 405. https://doi.org/10.3390/inorganics11100405

APA Style

Choi, H. W., Chen, W.-J., Kocheril, G. S., Yuan, D.-F., & Wang, L.-S. (2023). The Structures and Bonding of Bismuth-Doped Boron Clusters: BiB4− and BiB5−. Inorganics, 11(10), 405. https://doi.org/10.3390/inorganics11100405

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