Rb4 H8 (H2 W12 O40) (H2 O)18

O₄₆Rb_3.9999W₁₂

Jeannin, Y.P.Launay, J.P.Sedjadi, S.M.A.

Inorganic Chemistry (1980) 19, 2933-2935

a=22.051Å   b=22.051Å   c=22.051Å

α=90°   β=90°   γ=90°