1,1,1,4,4,4-Hexachloro-1,4-disilabutane

Molecules of the title compound, C₂H₄Cl₆Si₂, have a crystallographic centre of inversion and adopt a trans conformation in the crystal. Important bond lengths are C-C 1.536 (3), Si-C 1.8469 (15), Si-Cl 2.0229 (6), 2.0225 (6) and 2.0283 (6) Å. The Cl atom trans to the C-C bond is tilted towards the carbon atom. There are no important intermolecular interactions.