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Crystal and molecular structure of (BEDT-TTF)4Cd2I6

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Abstract

The new radical-cation salt (BEDT-TTF)4Cd2I6 has been studied by x-ray diffraction (a=19.284(6), b=12.84(1), c=7.869 (2) Å; α=72.77(4), β=94.44(2), γ= 103.97(3)o, space group P1, Z=1, dcalc=2.32 g/cm3). The radical cation (BEDT-TTF)1/2+ and the Cd2I6 2− anions form organic and inorganic layers alternating along the a axis. In the organic layer, (BEDT-TTF)1/2+ are arranged in stacks and ribbons. The radical-cations in the ribbon are packed “side to side” and are joined to one another through shortened intermolecular contacts S...S 3.346(5)-3.657(4) Å. The Cd2I6 2− anion is dimeric. The Cd atom has a distorted tetrahedral bond configuration, with bond lengths Cd-I 2.722(l)-2.886(1) Å and valence angles I-Cd-I 93.8(1)-114.1(1)∘.

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Authors and Affiliations

  1. N. N. Semenov Institute of Chemical Physics, Academy of Sciences of the USSR, Chernogolovka Branch, USSR

    V. V. Gritsenko, S. V. Konovalikhin, O. A. D'yachenko, R. N. Lyubovskaya & E. I. Zhilyaeva

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  1. V. V. Gritsenko
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  2. S. V. Konovalikhin
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  3. O. A. D'yachenko
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  4. R. N. Lyubovskaya
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  5. E. I. Zhilyaeva
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2773–2777, December, 1990.

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Gritsenko, V.V., Konovalikhin, S.V., D'yachenko, O.A. et al. Crystal and molecular structure of (BEDT-TTF)4Cd2I6 . Russ Chem Bull 39, 2513–2517 (1990). https://doi.org/10.1007/BF01184529

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  • DOI: https://doi.org/10.1007/BF01184529

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