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Acta Cryst. (2013). E69, o1157  [ doi:10.1107/S160053681301711X ]

2-(1,3-Dithiol-2-ylidene)-1,3-dithiole-4-carbaldehyde

M. Zeller and V. A. Azov

Abstract: The structure of the title compound, C7H4OS4, at 100 K has orthorhombic symmetry. In the crystal, tetrathiafulvalene molecules form [pi]-stacks along the a axis, with a stacking distance of 3.4736 (6) Å. Along the b axis, parallel stacks are interconnected with each other through a network of weak C-H...O hydrogen bonds and short S...S contacts [3.4813 (7) Å]. Additional short S...S contacts [3.4980 (9) Å] join parallel stacks along the c axis.


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