Krogmann's salt
| Names | |
|---|---|
| IUPAC name Dipotassium tetracyanoplatinate bromide trihydrate | |
| Other names Potassium tetracyanoplatinate bromide trihydrate | |
| Identifiers | |
| Properties | |
| K2Pt(CN)4Br0.3 | |
| Molar mass | 401.3227 g/mol | 
| Appearance | Copper-colored crystalline solid | 
| Structure | |
| Tetragonal | |
| 99 (P4mm) | |
| a = 9.91 Å, c = 5.78 Å | |
| Square planar | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Krogmann's salt is a linear chain compound consisting of stacks of tetracyanoplatinate. Sometimes described as molecular wires, Krogmann's salt exhibits highly anisotropic electrical conductivity. For this reason, Krogmann's salt and related materials are of some interest in nanotechnology.