catena-Poly[sodium-μ2-(N,N,N′,N′-tetra­methyl­ethane-1,2-diamine)-κ2N:N′-sodium-bis­[μ2-bis­(trimethyl­sil­yl)aza­nido-κ2N:N]]

Kennedy, A.R.; Mulvey, R.E.; O'Hara, C.T.; Robertson, S.D.; Robertson, G.M.

doi:10.1107/S1600536812045126

Figure 1 View of the central dimeric unit of (I) showing 50% probability displacement ellipsoids.