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A Helical π-Radical-Cation Column in the Double Helix of Mellitate Anions

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  • This work was supported in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology.

Abstract

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A tetrathiafulvalene (TTF) π-radical-cation salt with a unique helical-column structure (see Figure) was constructed using a supramolecular double-helix network of mellitate anions. The TTF radical tends to dimerize in a one- dimensional column, but a twisting distortion induces a kink defect. Utilizing the supramolecular network of a counterion is a promising method for the design of novel functional molecular materials.

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