((C O)7 Co2 Ge) (C O)7 Fe2 (Ge Co2 (C O)7)

C₂₁Co₄Fe₂Ge₂O₂₁

Anema, S.G.Nicholson, B.K.Audett, J.A.MacKay, K.M.

Journal of the Chemical Society. Dalton Transactions, Inorganic Chemistry (1972-) (1988) 1988, 2629-2634

a=38.59698Å   b=9.257Å   c=19.12099Å

α=90°   β=107.41°   γ=90°