12-Tungstophosphoric acid--1,1'-methylenebis(imidazolidine-2,4-dione)--imidazolidine-2,4-dione--water (2/1/4/21.5)

2(H₃O₄₀PW₁₂)_,4(C₃H₄N₂O₂)_,C₇H₈N₄O_4,21.5(H₂O)

Alizadeh, Mohammad HasanMohammadi Zonoz, Irandokht

Acta Crystallographica Section E (2010) 66, 7 m839

a=12.7271(6)Å   b=13.3286(7)Å   c=18.9177(9)Å

α=71.3280(10)°   β=81.3160(10)°   γ=64.7510(10)°