Acta Cryst. (2012). E68, o949  [ doi:10.1107/S1600536812005326 ]

2-Methylsulfanyl-5,6-dihydro-2H-1,3-dithiolo[4,5-b][1,4]dioxin-2-ium tetrafluoroborate

G. Zhou and X. Chen

Abstract: The title compound, C₆H₇O₂S₃⁺·BF₄^-, consists of a planar 2-thioxo-1,3-dithiol-4,5-yl unit [maximum deviation from the ring plane = 0.020 (3) Å], with an ethylenedioxy group fused at the 4,5-positions; the ethylenedioxy C atoms are disordered over two positions with site-occupancy factors of 0.5. The 1,4-dioxine ring has a twist-chair conformation. Weak cation-anion SF interactions [3.022 (4)-3.095 (4) Å] and an SO [3.247 (4) Å] interaction are present.

Online 3 March 2012

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