Evidence for a [17] π-Electronic Full-Fledged Non-innocent Gallium(III)-Corrole Radical

Biju Basumatary, Jyoti Rai, R. V.Ramana Reddy, Jeyaraman Sankar

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8 Citations (Scopus)


One-electron oxidation of a GaIII-corrole with N(4-BrC6H4)3SbCl6 resulted in an air-stable non-innocent GaIII-corrole radical. The single-crystal X-ray crystallography of the 2,17-bis-formyl-5,10,15-tris(pentafluorophenyl)corrolato gallium(III)(chloride) radical ([3-Cl].) revealed delocalization of the unpaired electron, which was further confirmed by electron spin resonance (ESR) spectroscopy and spin density distribution plot. In addition, the nucleus-independent chemical shift (NICS), anisotropy-induced current density (AICD) and harmonic oscillator model of aromaticity (HOMA) supported a [17] π-electron-conjugated (or antiaromatic) radical.

Original languageEnglish
Pages (from-to)17458-17462
Number of pages5
JournalChemistry - A European Journal
Issue number69
Publication statusPublished - Dec 11 2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Organic Chemistry


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