Ni (N O3)2 (H2 O)4

H₈N₂NiO₁₀

Gallezot, P.Prettre, M.Weigel, D.

Acta Crystallographica (1,1948-23,1967) (1967) 22, 699-705

a=5.305Å   b=27.24Å   c=5.705Å

α=90°   β=114°   γ=90°