catena-Poly[[tetra­kis­(hexa­methyl­phospho­ramide-κO)bis­(nitrato-κ2O,O′)erbium(III)] [silver(I)-di-μ-sulfido-tungstate(VI)-di-μ-sulfido]]

Wei, H.; Zhang, J.; Zhang, C.

doi:10.1107/S1600536812049987

Figure 2 The molecular structure of a portion of the anionic chain in the title compound, with 30% probability displacement ellipsoids. Symmetry code: (i) x,-y + $[{1\over 2}]$ ,z + 1/2.