A polar copper-Boron One-Electron σ-bond

Marc Etienne Moret, Limei Zhang, Jonas C. Peters

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Abstract

Virtually all chemical bonds consist of one or several pairs of electrons shared by two atoms. Examples of σ-bonds made of a single electron delocalized over two neighboring atoms were until recently found only in gas-phase cations such as H2+ and Li2 + and in highly unstable species generated in solid matrices. Only in the past decade was bona fide one-electron bonding observed for molecules in fluid solution. Here we report the isolation and structural characterization of a thermally stable compound featuring a Cu-B one-electron bond, as well as its oxidized (nonbonded) and reduced (two-electrons-bonded) congeners. This triad provides an excellent opportunity to study the degree of σ-bonding in a metalloboratrane as a function of electron count.

Original languageEnglish (US)
Pages (from-to)3792-3795
Number of pages4
JournalJournal of the American Chemical Society
Volume135
Issue number10
DOIs
StatePublished - Mar 13 2013

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ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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