ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, cilt.60, 2004 (SCI-Expanded)
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) Angstrom. The macrocyclic inner-hole size, estimated as twice the mean distance of the donor atoms from their centroid, is similar to2.29 Angstrom.