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A diradical based on odd-electron σ-bonds

Author

Listed:
  • Wenbang Yang

    (Nanjing University)

  • Li Zhang

    (Nanjing University
    Guangxi University of Science and Technology)

  • Dengmengfei Xiao

    (Nanjing Tech University)

  • Rui Feng

    (Nanjing University)

  • Wenqing Wang

    (Nanjing University)

  • Sudip Pan

    (Nanjing Tech University)

  • Yue Zhao

    (Nanjing University)

  • Lili Zhao

    (Nanjing Tech University)

  • Gernot Frenking

    (Nanjing Tech University
    Philipps-Universität Marburg)

  • Xinping Wang

    (Nanjing University)

Abstract

The concept of odd-electron σ–bond was first proposed by Linus Pauling. Species containing such a bond have been recognized as important intermediates encountered in many fields. A number of radicals with a one-electron or three-electron σ-bond have been isolated, however, no example of a diradical based odd-electron σ-bonds has been reported. So far all stable diradicals are based on two s/p-localized or π-delocalized unpaired electrons (radicals). Here, we report a dication diradical that is based on two Se∴Se three-electron σ–bonds. In contrast, the dication of sulfur analogue does not display diradical character but exhibits a closed-shell singlet.

Suggested Citation

  • Wenbang Yang & Li Zhang & Dengmengfei Xiao & Rui Feng & Wenqing Wang & Sudip Pan & Yue Zhao & Lili Zhao & Gernot Frenking & Xinping Wang, 2020. "A diradical based on odd-electron σ-bonds," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17303-4
    DOI: 10.1038/s41467-020-17303-4
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