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organic compounds
The title compound, {1,1-bis[2-(4,5-dimethyl-1,3-dithiol-2-ylidene)-5-methyl-1,3-dithiol-4-yl]ethanol ethanol hemisolvate, C20H22OS8.0.5C2H5OH}, contains bridged tetrathiafulvalene (TTF) molecules. The two TTF moieties of the bifunctional donor are quasi-orthogonal. Donor layers and hydrogen-bonded solvent layers alternate along the c axis.