1,1′-Bis(ortho-carborane) as a κ2 co-ligand

Maria J. Martin, Wing Y. Man, Georgina M. Rosair, Alan J. Welch*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


The compounds (dmpe)Ni{κ2-2,2′-[1-(1′-1′,2′-closo-C2B10H10)-1,2-closo-C2B10H10]} (1) and (dppe)Ni{κ2-2,2′-[1-(1′-1′,2′-closo-C2B10H10)-1,2-closo-C2B10H10]} (2) have been synthesised and fully characterised, including crystallographic studies. In all three structures studied (1, 2 and 2·2THF) the metal atom is slightly distorted from square-planar towards tetrahedral (τ4 values [Houser et al., 2007] of 0.30, 0.33 and 0.11, respectively). Consideration of these molecular structures together with those of related species in the literature allows us to tentatively conclude that, in square-planar NiIIcompounds, the structural trans effect (trans influence) of σ-bonded carborane is greater than that of Cl and sp2 N but less than that of sp2 C and sp3 C.
Original languageEnglish
Pages (from-to)36-40
Number of pages5
JournalJournal of Organometallic Chemistry
Issue numberPart 1
Early online date2 May 2015
Publication statusPublished - 1 Dec 2015


  • 1,1'-Bis(ortho-carborane)
  • Carborane
  • Nickel
  • Structural trans effect
  • Structure
  • Synthesis

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Biochemistry


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