Low-coordinate iron(I) and manganese(I) dimers: Kinetic stabilization of an exceptionally short Fe-Fe multiple bond

Lea Fohlmeister, Shengsi Liu, Christian Schulten, Boujemaa Moubaraki, Andreas Stasch, John D. Cashion, Keith S. Murray, Laura Gagliardi, Cameron Jones

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Not just any old iron! The reduction of a bulky guanidinato iron(II) bromide complex yields a three-coordinate iron(I) dimer that possesses the shortest Fe-Fe interaction (2.127 Å) reported to date. Magnetic, Mössbauer, and computational studies show the unprecedented compound to contain two high-spin iron(I) centers with significant multiple-bond character. A related dimer containing a rare example of an unsupported, carbonyl-free Mn-Mn bond is also described.

Original languageEnglish (US)
Pages (from-to)8294-8298
Number of pages5
JournalAngewandte Chemie - International Edition
Volume51
Issue number33
DOIs
StatePublished - Aug 13 2012

Keywords

  • density functional calculations
  • iron
  • magnesium
  • manganese
  • metal-metal interactions

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