Cs6 W5 P2 O23 (H2 O)7.5

Cs₆H₁₅O_30.5P₂W₅

Knoth, W.H.Harlow, R.L.

Journal of the American Chemical Society (1981) 103, 1865-1867

a=13.009Å   b=15.974Å   c=17.087Å

α=90°   β=98.93°   γ=90°