The title unsymmetrical tetra-thia-fulvalene (TTF), C(7)H(2)N(2)S(7), contains fused 1,2,5-thia-diazole and 1,3-dithiole rings and is a component mol-ecule for conducting organic solids. The TTF mol-ecule is disordered crystallographically over two orientations related by an inversion center, where each site is half-occupied. The mol-ecule is almost planar with an r.m.s. deviation of 0.096 Å. In the crystal structure, mol-ecules are linked by short inter-molecular S⋯S inter-actions [3.47 (2), 3.507 (8) and 3.517 (13) Å].
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| http://dx.doi.org/10.1107/S1600536809014184 | DOI Listing |
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Decoupling anion-ordering and spin-Peierls transitions in a strongly one-dimensional organic conductor with a chessboard structure, (-MeTTF)NO.
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May 2018
Université de Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Rennes F-35000, France.
A mixed-valence conducting cation radical salt of the unsymmetrically substituted -MeTTF donor molecule (TTF is tetrathiafulvalene) was obtained upon electrocrystallization in the presence of the non-centrosymmetric NO anion. It crystallizes at room temperature in the monoclinic 2/ space group, with the anion disordered on an inversion centre. The donor molecules are stacked along the axis.
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The title unsymmetrical tetra-thia-fulvalene (TTF), C(7)H(2)N(2)S(7), contains fused 1,2,5-thia-diazole and 1,3-dithiole rings and is a component mol-ecule for conducting organic solids. The TTF mol-ecule is disordered crystallographically over two orientations related by an inversion center, where each site is half-occupied. The mol-ecule is almost planar with an r.
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