Cs6.66 H0.34 (Si ((Nb O2)3 W9 O37)) (H2 O)7

Cs_6.66H_14.34Nb₃O₅₀SiW₉

Kim Gyu-ShikZeng HuadongHill, C.L.

Bulletin of the Korean Chemical Society (2003) 24, 1005-1008

a=18.4852Å   b=21.1362Å   c=26.1679Å

α=90°   β=92.98°   γ=90°