Absolute configuration and conformational disorder of a tricyclic thio­semicarbazone derivative

The title compound, (1S,3R,8R)‐2,2‐dichloro‐3,7,7,10‐tetra­methyl­tricyclo­[6.4.0.0^1,3]­dodecan‐11‐one thio­semicarbazone, C₁₇H₂₅Cl₂N₃S, has two disordered conformations of the cyclo­heptane moiety and a screw‐boat conformation for the cyclo­hexene ring. The absolute configuration was established.