Volume 54, Issue 28 pp. 8160-8164
Communication

Cage-Like B41+ and B422+: New Chiral Members of the Borospherene Family

Qiang Chen

Qiang Chen

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

Institute of Materials Science and Department of Chemistry, Xinzhou Teachers' University, Xinzhou 034000 (China)

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Su-Yan Zhang

Su-Yan Zhang

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Hui Bai

Hui Bai

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Wen-Juan Tian

Wen-Juan Tian

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Ting Gao

Ting Gao

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Hai-Ru Li

Hai-Ru Li

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Chang-Qing Miao

Chang-Qing Miao

Institute of Materials Science and Department of Chemistry, Xinzhou Teachers' University, Xinzhou 034000 (China)

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Dr. Yue-Wen Mu

Dr. Yue-Wen Mu

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

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Hai-Gang Lu

Corresponding Author

Hai-Gang Lu

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)Search for more papers by this author
Prof. Dr. Hua-Jin Zhai

Corresponding Author

Prof. Dr. Hua-Jin Zhai

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)Search for more papers by this author
Prof. Dr. Si-Dian Li

Corresponding Author

Prof. Dr. Si-Dian Li

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)

Nanocluster Laboratory, Institute of Molecular Science, Shanxi University, Taiyuan 030006 (China)Search for more papers by this author
First published: 26 May 2015
Citations: 110

This work was supported by the National Natural Science Foundation of China (21243004, 21373130), the Shanxi International Cooperation project (2013081018), and the State Key Laboratory of Quantum Optics and Quantum Optics Devices (KF201402). H.J.Z. gratefully acknowledges the start-up fund from Shanxi University for support.

Graphical Abstract

Chiral cations: Following the recently observed C3/C2 B39 and D2d B40, two new chiral members C1 B41+ and C2 B422+ are introduced to the borospherene family. These chiral borospherene cations are composed of twelve interwoven boron double chains with six hexagonal and heptagonal faces and exhibit σ plus π double delocalization, which can be viewed as cuborenes analogous to cubane (C8H8).

Abstract

The newly discovered borospherenes B40−/0 and B39 mark the onset of a new class of boron nanostructures. Based on extensive first-principles calculations, we introduce herein two new chiral members to the borospherene family: the cage-like C1 B41+ (1) and C2 B422+ (2), both of which are the global minima of the systems with degenerate enantiomers. These chiral borospherene cations are composed of twelve interwoven boron double chains with six hexagonal and heptagonal faces and may be viewed as the cuborenes analogous to cubane (C8H8). Chemical bonding analyses show that there exists a three-center two-electron σ bond on each B3 triangle and twelve multicenter two-electron π bonds over the σ skeleton. Molecular dynamics simulations indicate that C1 B41+ (1) fluctuates above 300 K, whereas C2 B422+ (2) remains dynamically stable. The infrared and Raman spectra of these borospherene cations are predicted to facilitate their experimental characterizations.

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