Poly[tetra­phenyl­phospho­nium copper(I)-di-[mu]₂-dicyanamido]

In the title compound, {(C₂₄H₂₀P)[Cu(C₂N₃)₂]}_n, the copper(I) dicyanamide anion forms a distorted three-dimensional single diamondoid network. Templating tetra­phenyl­phospho­nium cations reside within the cavities of the polymeric anion.