(Ge2 Pb9 Te11)0.36

Ge_0.72Pb_3.24Te_3.96

Hohnke, D.K.Holloway, H.Kaiser, S.

Journal of Physics and Chemistry of Solids (1972) 33, 2053-2062

a=6.382Å   b=6.382Å   c=6.382Å

α=90°   β=90°   γ=90°