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Polonium tetrabromide

From Wikipedia, the free encyclopedia
Polonium tetrabromide
Identifiers
3D model (JSmol)
  • InChI=1S/4BrH.Po/h4*1H;/q;;;;+4/p-4
    Key: MOAWHUMOOBCMOF-UHFFFAOYSA-J
  • Br[Po](Br)(Br)Br
Properties
Br4Po
Molar mass529 g·mol−1
Appearancepale red solid[1]
Solubilitysoluble inethanol[2]
soluble inbromine[2]
Structure
cubic crystal system
Fm3m (No. 225)
a = 5.6 Å
Related compounds
Otheranions
polonium tetrafluoride
polonium tetrachloride
polonium tetraiodide
Othercations
selenium tetrabromide
tellurium tetrabromide
Related compounds
polonium tetrabromide
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Polonium tetrabromide, is abromide ofpolonium, with the chemical formula PoBr4.

Preparation

[edit]

Polonium tetrabromide can be formed by the direct reaction of bromine and polonium at 200 °C to 250 °C.[2]

Likepolonium tetraiodide, polonium tetrabromide can also be produced by the reaction ofpolonium dioxide andhydrogen bromide:[2]

PoO2 + 4 HBr → PoBr4 + 2 H2O

Properties

[edit]

Polonium tetrabromide is a light red solid that is easilydeliquescent.[1] It crystallizes in thecubic crystal system, withspace groupFm3m (No. 225) andlattice parameter a = 5.6 Å.[3]

References

[edit]
  1. ^abP. E. Figgins (1961),The Radiochemistry of Polonium, National Academies, p. 13
  2. ^abcdM. Schmidt, W. Siebert, K. W. Bagnall (October 2013).The Chemistry of Sulphur, Selenium, Tellurium and Polonium: Pergamon Texts in Inorganic Chemistry. Elsevier. pp. 960–961.ISBN 978-1483158655.{{cite book}}: CS1 maint: multiple names: authors list (link)
  3. ^H. J. Emeléus, A. G. Sharpe (January 1962).Advances in Inorganic Chemistry and Radiochemistry. Academic Press. p. 216.ISBN 0080578535.{{cite book}}:ISBN / Date incompatibility (help)
Polonium(−II)
Polonium(II)
Polonium(IV)
Polonium(VI)
Salts and covalent derivatives of thebromide ion
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