K4 Nb (C N)8 (H2 O)2

C₈H₄K₄N₈NbO₂

Laing, M.Kiernan, P.M.Gafner, G.Griffith, W.P.

Inorganica Chimica Acta (1979) 33, 119-119

a=16.899Å   b=8.821Å   c=11.754Å

α=90°   β=90°   γ=90°