Ge52− Zintl anions: synthesis and crystal structures of [K([2.2.2]-crypt)]2Ge5·4NH3 and [Rb([2.2.2]-crypt)]2Ge5·4NH3
Abstract
The new compounds [K(C18H36N2O6)]2Ge5·4NH3 (1) and [Rb(C18H36N2O6)]2Ge5·4NH3 (2) were prepared by the extraction of a binary phase of the nominal composition KGe1.67 and a ternary phase of the composition Rb0.5Cs0.5Ge2.25 with liquid