(1,1,1,5,5,5-Hexafluoro-2,4-pentanedionato-O,O prime )(1,4,7,10,13-penta oxapen tadecane-&kappa5O)-sodium

The title compound, [Na(C5HF6O2)(C10H20O5)], contains a seven-coordinate Na+ ion with an irregular coordination geometry. It is bonded to the five crown ether and the two β-diketonate O atoms. The structure contains no unusual features, the conformation of the crown ether being very similar to those in compounds described previously. There are no particularly short intermolecular contacts and the title compound behaves as a discrete molecule, which probably accounts for its relatively high volatility.