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Acta Cryst. (2012). E68, o52  [ doi:10.1107/S1600536811051518 ]

2,5-Bis(1,3-dithiol-2-ylidene)-1,3-dithiolane-4-thione

K. Ueda, K. Suzuki, K. Kunimoto and K. Yoza

Abstract: The asymmetric unit of the title compound, C9H4S7, contains two independent molecules, in one of which the central five-membered ring is disordered over two orientations in a 0.924 (3):0.076 (3) ratio. The molecular skeleton is almost planar: the average distance of the atoms from their mean plane is 0.128 (7) Å in the ordered molecule, and 0.088 (5) and 0.123 (2) Å in the major and minor disorder components, respectively. The ordered and disordered molecules form separate columns by stacking along the b axis. Adjacent columns interact via short S...S [3.33 (2), 3.434 (3), 3.444 (2), 3.503 (2), 3.519 (3) and 3.53 (4) Å] and S...H [2.814 (2), 2.87 (7), 2.92 (2), 2.9269 (18), 2.93 (2), 2.94 (2), 2.939 (2), 2.967 (2) and 2.974 (1) Å] contacts.

Online 10 December 2011


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