Crystals (Jan 2012)

New Fulvalenium Salts of Cobalt Bis(dicarbollide): Crystal Structures and Electrical Conductivities

  • Lev I. Buravov,
  • Vladimir I. Bregadze,
  • Igor B. Sivaev,
  • Irina D. Kosenko,
  • Irina A. Lobanova,
  • Vladimir A. Starodub,
  • Andrey V. Kravchenko,
  • Grigory G. Aleksandrov,
  • Olga N. Kazheva,
  • Oleg A. Dyachenko

DOI
https://doi.org/10.3390/cryst2010043
Journal volume & issue
Vol. 2, no. 1
pp. 43 – 55

Abstract

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New radical cation salts (BEDT-TTF)[8,8',(7)-Cl2(Cl0.09)-3,3'-Co(1,2-C2B9H9.91)(1',2'-C2B9H10)] (1), (BEDT-TTF)[8,8'-Br0.75Cl1.25-3,3'-Co(1,2-C2B9H10)2] (2), and (BMDT-TTF)4[8,8'-Br1.16(OH)0.72-3,3'-Co(1,2-C2B9H10.06)2] (3) were synthesized, and their crystal structures and electrical conductivities were determined. All the radical cation salts are semiconductors. Compounds 1 and 2 were found to be isostructural, however their electrical conductivities strongly differ (s293 = 2 Ω−1cm−1 and 10−5 Ω−1cm−1, respectively).

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