(N H4)4 (Cr2 (C O3)4 (H2 O)2) (H2 O)2

C₄H₂₄Cr₂N₄O₁₆

Cotton, F.A.Rice, G.W.

Inorganic Chemistry (1978) 17, 2004-2009

a=6.949Å   b=16.112Å   c=7.737Å

α=90°   β=108.14°   γ=90°