(RS,SR)-N,N'-Bis(2-hydroxybenzyl)-1,2-diphenylethylenediamine

The title compound, 2,2^'-[(RS,SR)-3,4-diphenyl-2,5-diazahexamethylene]diphenol, which is a tetradentate Schiff base ligand, was prepared and the structure determined in order to investigate the conformation in a metal-free condition. In the crystals, the molecule has a center of symmetry and there is an intramolecular O-H...N hydrogen bond within each salicylideneimine unit.

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