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Open Access Publications from the University of California

Nb2©Au6: A molecular wheel with a short NbNb triple bond coordinated by an Au6 ring and reinforced by σ aromaticity

  • Author(s): Jian, T
  • Cheung, LF
  • Czekner, J
  • Chen, TT
  • Lopez, GV
  • Li, WL
  • Wang, LS
  • et al.

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© 2017 The Royal Society of Chemistry. We report a photoelectron spectroscopy and high-resolution photoelectron imaging study of a bimetallic Nb2Au6- cluster. Theoretical calculations, in conjunction with the experimental data, reveal that Nb2Au6-/0 possess high-symmetry D6h structures featuring a Nb-Nb axis coordinated equatorially by an Au6 ring. Chemical bonding analyses show that there are two π bonds and one σ bond in the Nb2 moiety in Nb2

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