Hydrogen Bonding in the 1:1 Adduct of 1,10-Phenanthroline and 1,1'-Binaphthyl-2,2'-diol

The title compound, C₁₂H₈N₂.C₂₀H₁₄O₂, was obtained as a 1:1 adduct from non-aqueous solutions of the two components. The lattice contains centrosymmetric dimers in which O—H...O and O—H...N hydrogen bonding is important. Rotation about the C—C′ bond of the binaphthyl moiety produces a torsion angle of −85.5 (2)°.

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