ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, vol.62, 2006 (SCI-Expanded)
The title compound, C13H12N2O, consisting of two aromatic groups linked through a diazene bridge, exhibits trans geometry with respect to the azo double bond and deviates slightly from planarity. The crystal structure is stabilized by intermolecular O-H...N hydrogen bonds.