N,N'-Bis(4-methylbenzoyl)-p-phenylenediamine at 200K

The title compound N,N′-p-phenylenebis(4-methylbenzamide), C₂₂H₂₀N₂O₂, crystallizes with an almost linear arrangement of the three benzene units, but both outer benzene ring planes are twisted relative to the plane of the central ring by 58.03 (6)°. N—H...O=C hydrogen bonds perpendicular to the long axis of the molecules connect them into ribbons parallel to the a axis.

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