The exopolyhedral ligand orientation (ELO) in 3-(nitrato-κO)-3,3-bis(triphenylphosphane-κP)-3-rhoda-1,2-dicarba-closo-dodecaborane(11) dichloromethane 2.2-solvate

Georgina M. Rosair, Greig Scott, Alan J. Welch

Research output: Contribution to journalArticle

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Abstract

In the title compound, [Rh(C<inf>2</inf>H<inf>11</inf>B<inf>9</inf>)(NO<inf>3</inf>)(C<inf>18</inf>H<inf>15</inf>P)<inf>2</inf>]·2.2CH<inf>2</inf>Cl<inf>2</inf>, studied as a 2.2-solvate of what was assumed to be dichloromethane, the nitrate ligand lies cis with respect to both cage C atoms. Accordingly, the compound displays a pronounced preferred exopolyhedral ligand orientation (ELO) which is traced to both the greater trans influence of the cage B over the cage C atoms and the greater trans influence of the triphenylphosphane ligands over the nitrate ligand. The overall molecular architecture therefore agrees with that of a number of similar 3-L-3,3-L′2-3,1,2-closo-MC<inf>2</inf>B<inf>9</inf>H<inf>11</inf> species in the literature.

Original languageEnglish
Pages (from-to)461-464
Number of pages4
JournalActa Crystallographica Section C: Structural Chemistry
Volume71
DOIs
Publication statusPublished - 1 Jun 2015

Keywords

  • boron-hydrogen distance (BHD) method
  • crystal structure vertex-to-centroid distance (VCD) method
  • dodecaborane(11)
  • exopolyhedral ligand orientation (ELO)
  • metallacarboranes
  • trans influence

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Condensed Matter Physics

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