β-Methyl-γ,γ-bis(8-quinolinoxy)germa-γ-lactone

In the hexacoordinated title germanium compound [alternatively called (butanoato-κ²C³,O)bis(8-quinolato-κ²N,O)germanium(IV)], [Ge(C₉H₇NO)₂(C₄H₆O₂)], the Ge atom adopts a slightly distorted octahedral geometry, where the Ge—N coordinate covalent bonds [mean 2.079 (8) Å] are significantly longer than the Ge—O [mean 1.904 (8) Å] and Ge—C [1.976 (3) Å] covalent bonds.