Chemistry:Actinium(III) bromide

From HandWiki
Actinium(III) bromide[1]
Names
Other names
Actinium tribromide
Identifiers
3D model (JSmol)
Properties
AcBr3
Molar mass 466.74 g/mol
Appearance White crystalline solid
Density 5.85 g/cm3
Melting point 827 °C (1,521 °F; 1,100 K)
Boiling point 1,597 °C (2,907 °F; 1,870 K)
soluble
Structure
hexagonal, hP8[2]
Related compounds
Other anions
Actinium(III) chloride
Other cations
Lanthanum(III) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Actinium(III) bromide is a radioactive white crystalline solid that is a salt of actinium. It is prepared by reacting actinium(III) oxide with aluminium bromide at 750 °C.[1]

Reactions

When treated with a mixture of gaseous ammonia and water vapor at 500°C, it turns into actinium oxybromide.[3]

References

  1. 1.0 1.1 "Actinium tribromide" (in English). https://www.webelements.com/compounds/actinium/actinium_tribromide.html. 
  2. Zachariasen, W. H. (1948). "Crystal chemical studies of the 5f-series of elements. I. New structure types". Acta Crystallographica 1 (5): 265–268. doi:10.1107/S0365110X48000703. Bibcode1948AcCry...1..265Z. 
  3. the University of Michigan (1954). Seaborg, Glenn. ed (in English). The Actinide Elements. McGraw-Hill. pp. 870. ISBN 9780598942548. https://books.google.com/books?id=TfjPAAAAMAAJ.