Half of the title compound (N,N'-diacetyl-1,4,7,13,16,19-hexaoxa-10,22-diaz
acyclotetracosane), C20H38N2O8, makes up the asymmetric unit. The crown rin
g is relatively flat, and though collapsed in on itself, would require litt
le change to adopt a binding conformation. C-H . . .O bonding is also obser
ved.