Stop rotating! One substitution halts the B19 motor

Francisco Cervantes-Navarro, Gerardo Martinez-Guajardo, Edison Osorio, Diego Moreno, William Tiznado, Rafael Islas, Kelling J. Donald, Gabriel Merino

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


The B19 anion and other boron species have been dubbed “Wankel motors” for the almost barrierless rotation of inner and outer concentric rings relative to each other in these compounds. A single substitution in B19 is shown to shut down the well-established fluxionality in the anion. A carbon atom substituted in the structure to give a neutral CB18 species is shown computationally to enforce bond localization.

Original languageEnglish
Pages (from-to)10680-10682
Number of pages3
JournalChemical Communications
Issue number73
Publication statusPublished - 14 Aug 2014

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


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