Crystal structure of [K(18-crown-6)](+) (2)[Pt(CN)(4)](2).

In the title compound, di-μ-cyanato-1:2κ(2) N:C;2:3κ(2) C:N-di-cyanato-2κ(2) C-bis-(1,4,7,10,13,16-hexa-oxa-cyclo-octa-deca-ne)-1κ(6) O;3κ(6) O-1,3-dipotassium(I)-2-platinum(II), [K(2)Pt(CN)(4)(C(12)H(24)O(6))(2)] or [K(18-crown-6)](2)·[Pt(CN)(4)], two trans-orientated cyano groups of the square-planar [Pt(CN)(4)](2-) dianion (Pt site symmetry ) bind to one potassium ion each, which are additionally coordinated by the six O atoms of 18-crown-6. No Pt⋯Pt inter-actions occur in the crystal, but very weak Pt⋯H contacts (2.79†à ) are observed.