Crystal Structure of 2-Methoxymethyl-1,3-dithiane 1,1,3,3-tetraoxide

The title compound, C6H12O5S2, consists of a six-membered dithiane ring with two O atoms bonded to each S atom and a methoxymethyl group at the 2-position. It belongs to the space group P21/c with cell parameters a = 10.1876(19), b = 5.9263(11), c = 15.835(2)A, β = 95.930(13)°. Short intra- and intermolecular C-H…O contacts are observed.