Ba H2 Si O4 (H2 O)5

BaH₁₂O₉Si

Hoehne, E.Dornberger-Schiff, K.

Acta Crystallographica (1,1948-23,1967) (1961) 14, 1298-1298

a=8.43Å   b=12.96Å   c=15.01Å

α=90°   β=90°   γ=90°