First radical cation salts of 2,5-bis(1,3-dithian-2-ylidene)-1,3,4,6-tetrathiapentalene (BDA-TTP) with copper(II) metal complex anions: β-(BDA-TTP)4Cu2Cl6 and (BDA-TTP)2CuCl4 |
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| Authors: | A V Kazakova N D Kushch L I Buravov E B Yagubskii S V Simonov L V Zorina S S Khasanov R P Shibaeva E Canadell J Yamada M Umemiya |
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| Institution: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 prosp. Akad. Semenova, 142432 Chernogolovka, Moscow Region, Russian Federation;(2) Institute of Solid State Physics, Russian Academy of Sciences, 2 ul. Institutskaya, 142432 Chernogolovka, Moscow Region, Russian Federation;(3) Barcelona Institute of Materials Science, Campus de la U. A. B., Bellaterra, E-08193 Barcelona, Spain;(4) Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan |
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| Abstract: | New radical cation salts based on 2,5-bis(1,3-dithian-2-ylidene)-1,3,4,6-tetrathiapentalene (BDA-TTP) with copper(II) metal complex anions, β-(BDA-TTP)4Cu2Cl6 and (BDA-TTP)2CuCl4, were synthesized and structurally characterized. Single crystals were prepared by electrochemical oxidation of BDA-TTP under
galvanostatic conditions. X-ray diffraction study demonstrated that the salts have a layered structure, in which the conducting
BDA-TTP layers alternate with the Cu2Cl6]2− or CuCl4]2− anions. Both salts show the semiconductor-type temperature dependence of the conductivity.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 48–54, January, 2007. |
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| Keywords: | synthesis crystal and electronic structure 2 5-bis(1 3-dithian-2-ylidene)-1 3 4 6-tetrathiapentalene radical cation salt electrochemical oxidation conductivity X-ray diffraction study |
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