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organic compounds
The title compound, C11H22N2S4, [or CH2(Et2DTC)2, where DTC is dithiocarbamate], was unexpectedly obtained during studies on the reactivity of cis-dichlorobis(N,N-diethyldithiocarbamato-S,S')tin(IV) {cis-[Cl2Sn(Et2DTC)2]} with 2-thiouracil in dimethyl sulfoxide. The X-ray structural analysis of the title compound shows that two N,N-diethyldithiocarbamate units are linked together through a methylene carbon atom, so that the compound can be described as a dithioester where the -CH2(N,N-diethyldithiocarbamate) group itself constitutes the esteric organic radical. Structural parameters and IR spectra are in agreement with the crystal chemistry of this class of compounds. Of major interest is the methylene carbon atom, which presents a S-CH2-S angle of 116.9 (2)°, larger than the ideal tetrahedral value of 109.47°.