C (Hg (C N))4 (H2 O)

C₅H₂Hg₄N₄O

Grdenic, D.Sikirica, M.Korpar-Colig, B.

Journal of Organometallic Chemistry (1978) 153, 1-7

a=8.52Å   b=13.622Å   c=10.783Å

α=90°   β=92.48°   γ=90°