1,14‐Dioxa‐5,10‐di­aza‐2,3:12,13‐dibenzo­cyclo­octadeca‐2,12‐diene monohydrate

The title compound, C₂₂H₃₀N₂O₂·H₂O, is an 18‐membered di­aza‐crown ether ligand containing two ether O and two aza N atoms. In the macrocyclic ring, the mean N?O distance is 4.526 (4) Å. The macrocyclic inner‐hole size, estimated as twice the mean distance of the donor atoms from their centroid, is ～2.29 Å.