Barium ferrate

Barium ferrate
Structural formula of barium(2+)	Wireframe model of aromatised ferrate
Names
	IUPAC name Barium ferrate(VI)
	Other names Barium ferrate(2-)
Identifiers
CAS Number	13773-23-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	57448624;
	InChI InChI=1S/Ba.Fe.4O/q+2;;;;2*-1 Key: JFTTYFWNHKVEMY-UHFFFAOYSA-N ;
	SMILES [Ba++].[O-][Fe]([O-])(=O)=O;
Properties
Chemical formula	BaFeO4
Molar mass	257,1646 g/mol
Appearance	Dark red, opaque crystals
Solubility in water	insoluble
Structure
Crystal structure	orthorhombic
Space group	Pnma, No. 62
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Barium ferrate is the chemical compound of formula BaFeO₄. This is a rare compound containing iron in the +6 oxidation state.^[2] The ferrate(VI) ion has two unpaired electrons, making it paramagnetic.^[3] It is isostructural with BaSO₄, and contains the tetrahedral [FeO₄]²⁻ anion.^[4]

^ Cite error: The named reference structure was invoked but never defined (see the help page).
^ Briggs, J. G. R. (2005). Longman A-level course in chemistry (4th ed.). Pearson Education South Asia. p. 536. ISBN 978-981-4105-08-8.
^ Wiberg, Egon; Wiberg, Nils; Holleman, Arnold (2001). Inorganic chemistry. Academic Press. pp. 1457–1458. ISBN 978-0-12-352651-9.
^ Wells, A.F. (1986). Structural inorganic chemistry (5th ed.). Oxford [Oxfordshire]: Clarendon Press. ISBN 978-0-19-855370-0.

[structure-1] Cite error: The named reference structure was invoked but never defined (see the help page).

[2] Briggs, J. G. R. (2005). Longman A-level course in chemistry (4th ed.). Pearson Education South Asia. p. 536. ISBN 978-981-4105-08-8.

[:0-3] Wiberg, Egon; Wiberg, Nils; Holleman, Arnold (2001). Inorganic chemistry. Academic Press. pp. 1457–1458. ISBN 978-0-12-352651-9.

[4] Wells, A.F. (1986). Structural inorganic chemistry (5th ed.). Oxford [Oxfordshire]: Clarendon Press. ISBN 978-0-19-855370-0.

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