B2BaH10O9
Simonov, M.A.Karpov, O.G.Shvirkst, Ya.Ya.Gode, G.K.
Kristallografiya (1989) 34, 1292-1294
a=5.961Å b=15.16Å c=8.543Å
α=90° β=90° γ=102.32°