1,2-Bis(N-fluoro-p-toluene­sulfon­amido)­ethane chloroform solvate

The title compound, N,N′-difluoro-N,N′-ethylenedi-p-tolu­enesulfonamide, C₁₆H₁₈F₂N₂O₄S₂·CHCl₃, is a novel stable compound of the N—F class of reagents containing two R₂N—F functionalities. The compound, as the chloro­form solvate, is the first such bis(N—F) compound to be structurally characterized. It adopts a solid-state structure in which the two aromatic rings are antiperiplanar and a combination of weak C—H...F and C—H...O hydrogen bonds [distances and angles range from 3.265 (4) to 3.439 (4) Å and 150 to 170°, respectively] and π-stacking between the rings of different mol­ecules (separations of 3.717 and 3.926 Å) results in a solid-state structure containing well defined channels in which CHCl₃ solvent mol­ecules are located. The N—F distances are 1.428 (3) and 1.433 (3) Å.