(H3 O) K13 (Eu (H2 O)3 (P2 W17 O61))2 (K Cl)2 (H2 O)56

Eu₂O₅₆P₄W₃₄

Luo, Q.-H.Howell, R.C.Bartis, J.Francesconi, L.C.Horrocks, W.D.jr.Dankova, M.Rheingold, A.L.

Inorganic Chemistry (2002) 41, 6112-6117

a=12.7214Å   b=14.7402Å   c=22.6724Å

α=71.55°   β=84.019°   γ=74.383°