(N H4)23 (N H4 As4 W40 O140 Co2 (H2 O)2) (H2 O)16

As₄Co₂H₁₃₂N₂₄O₁₅₈W₄₀

Robert, F.Leyrie, M.Jeannin, Y.P.Herve, G.Teze, A.

Inorganic Chemistry (1980) 19, 1746-1752

a=29.688Å   b=23.327Å   c=12.794Å

α=90°   β=90°   γ=90°