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Terbium(III) bromide
Chemical compound

Terbium(III) bromide (TbBr3) is a crystalline chemical compound.

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Production and properties

Terbiun(III) bromide can be produced by heating terbium metal or terbium(III) oxide with ammonium bromide.2

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).3

Terbium(III) bromide is a white solid that is soluble in water.4 Its crystal structure is the same as bismuth iodide.5

References

  1. "Terbium(III) bromide". https://pubchem.ncbi.nlm.nih.gov/compound/84452

  2. Meyer, Gerd; Dötsch, Siegfried; Staffel, Thomas (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. https://linkinghub.elsevier.com/retrieve/pii/0022508887903729

  3. 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. https://linkinghub.elsevier.com/retrieve/pii/0022190265800422

  4. CRC Handbook of Chemistry and Physics, 87th Edition, S. 4–94

  5. Jean D'Ans, Ellen Lax (1997). Taschenbuch für Chemiker und Physiker. Springer DE. p. 1386. ISBN 354060035-3. 354060035-3