(N H4)2 (H2 P2 O6)

H₁₀N₂O₆P₂

Wilson, A.McGeachin, H.M.

Acta Crystallographica (1,1948-23,1967) (1964) 17, 1352-1355

a=7.24Å   b=11.465Å   c=9.35Å

α=90°   β=90°   γ=90°