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The asymmetric unit of the title compound, C 14 H 12 F 8 N 2 , contains one tetra­fluoro­pyrrolidine system and one half-mol­ecule of benzene; the latter, together with a second heterocyclic unit, are completed by symmetry, with a twofold crystallographic axis crossing through both the middle of the bond between the C atoms bearing the heterocyclic rings and the opposite C—C bonds of the whole benzene mol­ecule. The pyrrolidine ring shows an envelope conformation with the apex at the N atom. The dihedral angle between the least-squares plane of this ring and the benzene ring is 36.9 (5)°. There are intra­molecular C—H⋯N inter­actions generating  S (6) ring motifs. In the crystal structure, the mol­ecules are linked by C—H⋯F inter­actions, forming chains parallel to [010].

3,3,4,4-Tetrafluoro-1-[2-(3,3,4,4-tetrafluoropyrrolidin-1-yl)phenyl]pyrrolidine