(1S*,3R*,5S*,7S*)-4,4,8,8-Tetra-chloro-1-isopropyl-5-methyl-tri-cyclo-[5.1.0.0(3,5)]octa-ne.

The title compound, C12H16Cl4, is a derivative of the natural product 1-isopropyl-4-methyl-cyclo-hexa-1,4-diene, and represents a diastereomer with two trans-fused cyclo-propane rings. Both enanti-omers are present in the non-centrosymmetric polar space group Pna21. The central cyclo-hexane ring is planar within 0.