Phosphammite

H₉N₂O₄P

Khan, A. A.Roux, J. P.James, W. J.

Acta Crystallographica, Section B (1972) 28, 2065-2069

a=11.043Å   b=6.700Å   c=8.031Å

α=90°   β=113.42°   γ=90°