Üst veriTüm öğe kaydını göster
The title compound, C20H16N2O2, displays a trans configuration with respect to the N=N double bond. The aromatic rings bridged by the azo group are nearly coplanar, forming a dihedral angle of 6.83 (8)degrees. A strong intramolecular O-H center dot center dot center dot O hydrogen bond is observed. In the three-dimensional network, the molecules are linked by weak van der Waals interactions.