3,4-Pyrazino-3',4'-ethylenedithio-2,2',5,5'-tetrathiafulvalenium Tetraiodothallate(III) Solvate (3:1) with 1,1,2-Trichloroethane, (PEDT-TTF)₃TlI₄.TCE

The organic donor molecule PEDT-TTF (3,4-pyrazino-3',4'-ethylenedithio- 2,2',5,5'-tetrathiafulvalene) forms a semiconducting 3:1 solvate salt with TlI₄^- in TCE (1,1,2-trichloroethane), (C₁₀H₆N₂S₆)₃⁺.TlI₄^-.C₂H₃Cl₃. Its crystal structure contains stacks with six sinusoidally displaced PEDT-TTF molecules per repeat unit. However, the topology of short intermolecular S...S interactions is one dimensional in the transverse direction which coincides with the direction of the most developed crystal growth.

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