Terbium(III) bromide

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Terbium(III) bromide
Names

Other names terbium tribromide
Identifiers
CAS Number	14456-47-4^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.034.932
EC Number	238-442-3
PubChem CID	84452
CompTox Dashboard (EPA)	DTXSID60932333
InChI InChI=1S/3BrH.Tb/h3*1H;/q;;;+3/p-3
SMILES [Br-].[Br-].[Br-].[Tb+3]
Properties
Chemical formula	TbBr₃
Molar mass	398.637 g/mol
Appearance	white powder (hexahydrate)^[1]
Density	4.62 g/cm³^[2]
Melting point	827^[3] °C (1,521 °F; 1,100 K)
Boiling point	1,490^[4] °C (2,710 °F; 1,760 K)
Solubility in water	soluble^[4]
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

Terbium(III) bromide (Tb Br₃) is a crystalline chemical compound.^[5]

Production and properties

Terbiun(III) bromide can be produced by heating terbium metal or terbium(III) oxide with ammonium bromide.^[6]

Tb₂O₃ + 6 NH₄Br → 2 TbBr₃ + 6 NH₃ + 3 H₂O

A solution of terbium(III) bromide can crystallize a hexahydrate. When heating the hexahydrate, it will dehydrate and produce some terbium oxybromide (TbOBr).^[7]

Terbium(III) bromide is a white solid that is soluble in water.^[4] Its crystal structure is the same as bismuth iodide.^[8]

References

^ D. Brown, S. Fletcher, D. G. Holah (1968). "The preparation and crystallographic properties of certain lanthanide and actinide tribromides and tribromide hexahydrates". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1889–1894. doi:10.1039/j19680001889. ISSN 0022-4944. Retrieved 2020-05-29.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ americanelements.com: Terbium Bromide
^ Sigma-Aldrich Co., product no. 466344.
^ ^a ^b ^c CRC Handbook of Chemistry and Physics, 87th Edition, S. 4–94
^ "Terbium(III) bromide".
^ Gerd Meyer, Siegfried Dötsch, Thomas Staffel (January 1987). "The ammonium-bromide route to anhydrous rare earth bromides MBr3". Journal of the Less Common Metals. 127: 155–160. doi:10.1016/0022-5088(87)90372-9. Retrieved 2020-05-29.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ I. Mayer, S. Zolotov (September 1965). "The thermal decomposition of rare earth and yttrium bromide hydrates". Journal of Inorganic and Nuclear Chemistry. 27 (9): 1905–1909. doi:10.1016/0022-1902(65)80042-2. Retrieved 2020-05-29.
^ Jean D'Ans, Ellen Lax (1997). Taschenbuch für Chemiker und Physiker. Springer DE. p. 1386. ISBN 354060035-3.

v t e Terbium compounds
Terbium(III)	Tb(CH₃COO)₃ Tb(C₅H₇O₂)₃ TbBr₃ TbCl₃ TbF₃ Tb(OH)₃ Tb(IO₃)₃ TbI₃ Tb(NO₃)₃ TbN Tb₂(C₂O₄)₃ Tb₂O₃ Tb(ClO₄)₃ TbP TbSe
Terbium(III,IV)	Tb₄O₇
Terbium(IV)	TbSi₂ TbO₂ TbF₄

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