Metallate
Metallate is the name given to any complex anion containing a metal ligated to several atoms or small groups. The spelling metalate is almost as common.
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Typically, the metal will be one of the transition elements and the ligand will be oxygen or another chalcogenide or a cyanide group (though others are known). The chalcogenide metallates are known as oxometallates, thiometallates, selenometallates and tellurometallates; the cyanide metallates are known as cyanometallates.
Oxometallates include permanganate (MnO−
4), chromate (CrO2−
4) and vanadate (VO−
3 or VO3−
4).
Thiometallates include tetrathiovanadate (VS3−
4), tetrathiomolybdate (MoS2−
4), tetrathiotungstate (WS2−
4) and similar ions.[1]
Cyanometallates include ferricyanide and ferrocyanide.
Metallate is also used as a verb by bioinorganic chemistry to describe the act of adding metal atoms or ions to a site (synthetic ligand or protein).
References
- Diemann, E.; Müller, A. (1973). "Schwefel- und selenverbindungen von übergangsmetallen mit d0-konfiguration" [Sulfur and selenium compounds of transition metals with d0 configurations]. Coordination Chemistry Reviews. 10 (1–2): 79–122. doi:10.1016/S0010-8545(00)80232-5.