(R)-(+)-2,2′-Diamino-1,1′-binaphthyl

The crystal structure of the title compound, C20H16N2, has been determined at 180 (2) K in the chiral space group P43212. The structure is described by a herring-bone close-packing, along the a and b directions, of layers within which intermolecular N—H⋯π and C—H⋯π interactions can be found.