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Russian Chemical Bulletin

, Volume 59, Issue 9, pp 1729–1734 | Cite as

New molecular magnetic metals: κ-(BDH-TTP)4CuCl4·(H2O) n and κ-(BDH-TTP)2[CuCl4]0.67·(H2O)0.33 (BDH-TTP is 2,5-bis(1,3-dithiolan-2-ylidene)-1,3,4,6-tetrathiapentalene)

  • N. D. Kushch
  • A. V. Kazakova
  • L. I. Buravov
  • E. B. Yagubskii
  • S. V. Simonov
  • L. V. Zorina
  • S. S. Khasanov
  • R. P. Shibaeva
  • J. Yamada
  • M. Umemiya
Full Articles

Abstract

New radical cation salts based on 2,5-bis(1,3-dithiolan-2-ylidene)-1,3,4,6-tetrathiapentalene (BDH-TTP), viz., κ-(BDH-TTP)4CuCl4·(H2O) n (1) and κ-(BDH-TTP)2[CuCl4]0.67· ·(H2O)0.33 (2), were synthesized and structurally characterized. Single crystals were prepared by the electrochemical oxidation of BDH-TTP under galvanostatic conditions. The X-ray diffraction study showed that the salts have layered structures characterized by the presence of κ-type BDH-TTP conducting layers. These layers alternate with the complex anions composed of [CuCl4]2− units and water molecules. Both salts exhibit the temperature dependence of the metallic conductivity down to 4.2 K. Spin-spin antiferromagnetic correlations in the Cu2+ subsystem were observed in the crystals of 2.

Key words

2,5-bis(1,3-dithiolan-2-ylidene)-1,3,4,6-tetrathiapentalene radical cation salt synthesis electrochemical oxidation crystal structure, conductivity paramagnetism 

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Copyright information

© Springer Science+Business Media, Inc.  2010

Authors and Affiliations

  • N. D. Kushch
    • 1
  • A. V. Kazakova
    • 1
  • L. I. Buravov
    • 1
  • E. B. Yagubskii
    • 1
  • S. V. Simonov
    • 2
  • L. V. Zorina
    • 2
  • S. S. Khasanov
    • 2
  • R. P. Shibaeva
    • 2
  • J. Yamada
    • 3
  • M. Umemiya
    • 3
  1. 1.Institute of Problems of Chemical PhysicsRussian Academy of SciencesChernogolovka, Moscow RegionRussian Federation
  2. 2.Institute of Solid State PhysicsRussian Academy of SciencesChernogolovka, Moscow RegionRussian Federation
  3. 3.Department of Material Science, Graduate School of Material ScienceUniversity of HyogoHyogoJapan

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