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New Fulvalenium Salts of Cobalt Bis(dicarbollide): Crystal Structures and Electrical Conductivities
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Semenov Av. 1, 142432, Chernogolovka, Moscow Region, Russia
N.S.Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii Prosp. 31, 119991, Moscow, Russia
V.N.Karazin Kharkiv National University, Svoboda Sq. 4, 61077, Kharkiv, Ukraine
Institute of Chemistry, Jan Kochanowski University of Humanities and Sciences, 15G Swietokrzyska Str., 25-406, Kielce, Poland
A.N.Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991, Moscow, Russia
* Author to whom correspondence should be addressed.
Received: 6 December 2011; in revised form: 21 December 2011 / Accepted: 22 December 2011 / Published: 6 January 2012
Abstract: 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).
Keywords: molecular conductors; cobalt bis(dicarbollide); bis(ethylenedithio) tetrathiafulvalene; bis(methylenedithio)tetrathiafulvalene; structure; conductivity
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Kazheva, O.N.; Aleksandrov, G.G.; Kravchenko, A.V.; Starodub, V.A.; Lobanova, I.A.; Kosenko, I.D.; Sivaev, I.B.; Bregadze, V.I.; Buravov, L.I.; Dyachenko, O.A. New Fulvalenium Salts of Cobalt Bis(dicarbollide): Crystal Structures and Electrical Conductivities. Crystals 2012, 2, 43-55.
Kazheva ON, Aleksandrov GG, Kravchenko AV, Starodub VA, Lobanova IA, Kosenko ID, Sivaev IB, Bregadze VI, Buravov LI, Dyachenko OA. New Fulvalenium Salts of Cobalt Bis(dicarbollide): Crystal Structures and Electrical Conductivities. Crystals. 2012; 2(1):43-55.
Kazheva, Olga N.; Aleksandrov, Grigory G.; Kravchenko, Andrey V.; Starodub, Vladimir A.; Lobanova, Irina A.; Kosenko, Irina D.; Sivaev, Igor B.; Bregadze, Vladimir I.; Buravov, Lev I.; Dyachenko, Oleg A. 2012. "New Fulvalenium Salts of Cobalt Bis(dicarbollide): Crystal Structures and Electrical Conductivities." Crystals 2, no. 1: 43-55.