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X-ray structural analysis of a novel organic metal (BEDT-TTF)4[Hg2Cl6]·PhCl

  • O. A. D'yachenko
  • V. V. Gritsenko
  • Sh. G. Mkoyan
  • G. V. Shilov
  • L. O. Atovmyan
Physical Chemistry

Abstract

X-ray structural analysis has revealed that reaction of (BEDT-TTF)[HgCl3] with PhCl leads to the formation of a cation-radical salt (BEDT-TTF)4[Hg2Cl6]· PhCl, which exhibits a laminar crystal structure. The cationic layer is characterized by a grid or lattice network of contracted S...S intermolecular distances (3.396(4)–3.647(5) Å), which unite the BEDT-TTF cations in ribbons or bands, parallel to the [014] direction, and which also bind the ribbons together in a direction close to the [010] axis. The presence of this type of lattice network explains the metallic nature of the conductivity of this salt (BEDT-TTF)4Hg2Cl6]·PhCl in the temperature range 300.0–1.5 K, and is the basis of assigning this salt to a new class of organic, two-dimensional conductors. The [Hg2Cl6]2− anions and PhCl solvent molecules are united via secondary Hg...Cl 3.176(5) Å and Cl...Cl 3.480(6) Å interaction forces to form centrosymmetric tetramers [Hg2Cl6PhCl]24−, stretched out along the [014] axis direction.

Keywords

Crystal Structure Structural Analysis Axis Direction Solvent Molecule Interaction Force 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1992

Authors and Affiliations

  • O. A. D'yachenko
    • 1
  • V. V. Gritsenko
    • 1
  • Sh. G. Mkoyan
    • 1
  • G. V. Shilov
    • 1
  • L. O. Atovmyan
    • 1
  1. 1.Institute of Chemical PhysicsAcademy of Sciences of the USSRChernogolovka

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