Ferrate loosely refers to a material that can be viewed as containing anionic
iron
Iron () is a chemical element with Symbol (chemistry), symbol Fe (from la, Wikt:ferrum, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 element, group 8 of the periodic table. It is, Abundanc ...
complexes. Examples include tetrachloroferrate (
eCl4sup>2−), oxyanions (
),
tetracarbonylferrate (
e(CO)4sup>2−), the organoferrates.
The term ferrate derives from the Latin word for iron, ''ferrum''.
File:Disodium tetracarbonylferrate.png, Disodium salt of tetracarbonylferrate.
File:Ferrate ion.svg, Structure of eO4sup>2−.
File:1-Butyl-3-methylimidazolium tetrachloroferrate.svg, 1-Butyl-3-methylimidazolium salt of eCl4sup>−.
File:Potassium-ferrioxalate-2D.png, Potassium tris(oxalato)ferrate.
References
{{reflist
Iron compounds
Anions
Ferrates
