Ba Ge Ge3 O9

BaGe₄O₉

Robbins, C.Perloff, A.Block, S.

Journal of Research of the National Bureau of Standards, Section A. Physics and Chemistry (1966) 70, 385-391

a=11.61Å   b=11.61Å   c=4.74Å

α=90°   β=90°   γ=120°