Sodium hexafluorozirconate

Sodium hexafluorozirconate
Names
	Other names Sodium zirconium fluoride
Identifiers
CAS Number	16925-26-1;
3D model (JSmol)	Interactive image;
ChemSpider	11221752;
ECHA InfoCard	100.037.249
EC Number	240-990-3;
PubChem CID	71306924;
CompTox Dashboard (EPA)	DTXSID90937614 ;
	InChI InChI=1S/6FH.2Na.Zr/h61H;;;/q;;;;;;2+1;+4/p-6 Key: KSYURTCLCUKLSF-UHFFFAOYSA-H;
	SMILES F[Zr-2](F)(F)(F)(F)F.[Na+].[Na+];
Properties
Chemical formula	Na2ZrF6
Molar mass	251.19 g/mol
Appearance	white solid
Related compounds
Other cations	Ammonium hexafluorozirconate; Lithium hexafluorozirconate; Potassium hexafluorozirconate;
Related compounds	Hexafluorozirconic acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Sodium hexafluorozirconate or sodium zirconium fluoride is an inorganic compound with the chemical formula Na₂ZrF₆. It is the sodium salt of hexafluorozirconic acid.

Structure

Sodium hexafluorozirconate exhibits polymorphism; four phases have been characterized.^[2] The β phase is hygroscopic.

Phase transition temperatures (°C)^[2]^[3]
α-β	β-γ	γ-δ
533	505	460

Uses

It is used in the manufacturing of optical glasses and ceramics, as well as in the production of other chemical compounds. Its use has also been researched in the production of red and blue-green phosphors.^[4]^[5]

References

^ Perry, Dale L. (2016-04-19). Handbook of Inorganic Compounds. CRC Press. p. 380. ISBN 978-1-4398-1462-8.
^ ^a ^b Barton, C. J.; Grimes, W. R.; Insley, H.; Moore, R. E.; Thoma, R. E. (1958-06-01). "Phase Equilibria in the Systems NaF–ZrF4, UF4–ZrF4 and NaF–ZrF4–UF4". The Journal of Physical Chemistry. 62 (6): 666–670. doi:10.1021/j150564a008. ISSN 0022-3654.
^ Brunton, G. (1969-10-15). "The crystal structure of γ-Na2ZrF6". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 25 (10): 2164–2166. doi:10.1107/S0567740869005322. ISSN 0567-7408.
^ Kasa, Ryota; Adachi, Sadao (2012). "Mn-activated K₂ZrF₆ and Na₂ZrF₆ phosphors: Sharp red and oscillatory blue-green emissions". Journal of Applied Physics. 112 (1) 013506. Bibcode:2012JAP...112a3506K. doi:10.1063/1.4732139. Retrieved 2023-08-30.
^ Adachi, Sadao (2020). "Review—Mn⁴⁺-Activated Red and Deep Red-Emitting Phosphors". ECS Journal of Solid State Science and Technology. 9 (1): 016001. Bibcode:2020JSSST...9a6001A. doi:10.1149/2.0022001jss. S2CID 202076649.

[handbook-1] Perry, Dale L. (2016-04-19). Handbook of Inorganic Compounds. CRC Press. p. 380. ISBN 978-1-4398-1462-8.

[Barton-2] Barton, C. J.; Grimes, W. R.; Insley, H.; Moore, R. E.; Thoma, R. E. (1958-06-01). "Phase Equilibria in the Systems NaF–ZrF4, UF4–ZrF4 and NaF–ZrF4–UF4". The Journal of Physical Chemistry. 62 (6): 666–670. doi:10.1021/j150564a008. ISSN 0022-3654.

[3] Brunton, G. (1969-10-15). "The crystal structure of γ-Na2ZrF6". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 25 (10): 2164–2166. doi:10.1107/S0567740869005322. ISSN 0567-7408.

[4] Kasa, Ryota; Adachi, Sadao (2012). "Mn-activated K₂ZrF₆ and Na₂ZrF₆ phosphors: Sharp red and oscillatory blue-green emissions". Journal of Applied Physics. 112 (1) 013506. Bibcode:2012JAP...112a3506K. doi:10.1063/1.4732139. Retrieved 2023-08-30.

[5] Adachi, Sadao (2020). "Review—Mn⁴⁺-Activated Red and Deep Red-Emitting Phosphors". ECS Journal of Solid State Science and Technology. 9 (1): 016001. Bibcode:2020JSSST...9a6001A. doi:10.1149/2.0022001jss. S2CID 202076649.

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