Crystal structure of 1-butyl-2,3-di-methylimidazolium dicarba-7,8-nido-undecaborate

M. J. Klemes, L. Soderstrom, J. L. Hunting, A. S. Larsen*, W. T A Harrison (Editor)

*Corresponding author for this work

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In the title molecular salt, C9H17N2+·C2H12B9-, the carborane cage has a bridging B - H - B bond on the open B3C2 face. The butyl side chain of the cation adopts an extended conformation [C - C - C - C = 179.6 (1)°]. In the crystal, the imidazo-lium ring is almost coplanar with the open face of the carborane anion. The cations stack in the [010] direction and the dihedral angle between the imidazolium rings of adjacent cations is 68.45 (6)°. The butyl chains extend into the space between carborane anions.

Original languageEnglish
Pages (from-to)o183
Number of pages1
JournalActa Crystallographica Section E: Structure Reports Online
Issue number3
Early online date13 Feb 2015
Publication statusPublished - 1 Mar 2015


  • Bridging B - H - B bond
  • Carborane cage anion
  • Crystal structure
  • Imidazolium cation


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