Cs15.28 (Nb4 O6 (Nb3 Si W9 O40))4 (H2 O)16

Cs_10.502Nb₁₆W₃₆

Kim, G.-S.Zeng, H.van Derveer, D.Hill, C.L.

Angew. Chem. Int. ed. (1999) 38, 3205-3207

a=34.10139Å   b=30.495Å   c=23.2829Å

α=90°   β=123.92°   γ=90°