(N H4)4 (P4 O12)

H₁₆N₄O₁₂P₄

Koster, D.A.Wagner, A.J.

Journal of the Chemical Society A: Inorganic, Physical, Theoretical (1966-1971) (1970) 1970, 435-441

a=10.433Å   b=10.871Å   c=12.588Å

α=90°   β=90°   γ=90°