Krogmann's salt

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).
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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.