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Isolation and characterization of bis(silylene)-stabilized antimony(I) and bismuth(I) cations

Author

Listed:
  • Xuyang Wang

    (Nankai University)

  • Binglin Lei

    (Nankai University)

  • Zhaoyin Zhang

    (Nanjing Tech University)

  • Ming Chen

    (Nankai University)

  • Hua Rong

    (Nankai University)

  • Haibin Song

    (Nankai University)

  • Lili Zhao

    (Nanjing Tech University)

  • Zhenbo Mo

    (Nankai University)

Abstract

Monovalent group 15 cations L2Pn + (L = σ-donor ligands, Pn = N, P, As, Sb, Bi) have attracted significant experimental and theoretical interest because of their unusual electronic structures and growing synthetic potential. Herein, we describe the synthesis of a family of antimony(I) and bismuth(I) cations supported by a bis(silylene) ligand [(TBDSi2)Pn][BArF4] (TBD = 1, 8, 10, 9-triazaboradecalin; ArF = 3,5-CF3-C6H3; Pn = Sb, (2); Bi, (3)). The structures of 2 and 3 have been unambiguously characterized spectroscopically and by X-ray diffraction analysis and DFT calculations. They feature bis-coordinated Sb and Bi atoms which exhibit two lone pairs of electrons. The reactions of 2 and 3 with methyl trifluoromethane sulfonate provide a approach for the preparation of dicationic antimony(III) and bismuth(III) methyl complexes. Compounds 2 and 3 serve as 2e donors to group 6 metals (Cr, Mo), giving rise to ionic antimony and bismuth metal carbonyl complexes 6–9.

Suggested Citation

  • Xuyang Wang & Binglin Lei & Zhaoyin Zhang & Ming Chen & Hua Rong & Haibin Song & Lili Zhao & Zhenbo Mo, 2023. "Isolation and characterization of bis(silylene)-stabilized antimony(I) and bismuth(I) cations," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38606-2
    DOI: 10.1038/s41467-023-38606-2
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    1. Chelladurai Ganesamoorthy & Christoph Helling & Christoph Wölper & Walter Frank & Eckhard Bill & George E. Cutsail & Stephan Schulz, 2018. "From stable Sb- and Bi-centered radicals to a compound with a Ga=Sb double bond," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
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