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Contents

(Top) 1 Preparation 2 Properties 3 References

Polonium tetrabromide

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Polonium tetrabromide
Identifiers

CAS Number	60996-98-7
3D model (JSmol)	Interactive image
PubChem CID	22753593 (charge error)
InChI InChI=1S/4BrH.Po/h4*1H;/q;;;;+4/p-4 Key: MOAWHUMOOBCMOF-UHFFFAOYSA-J
SMILES Br[Po](Br)(Br)Br
Properties
Chemical formula	Br₄Po
Molar mass	529 g·mol⁻¹
Appearance	pale red solid^[1]
Solubility	soluble in ethanol^[2] soluble in bromine^[2]
Structure
Crystal structure	cubic crystal system
Space group	Fm3m (No. 225)
Lattice constant	a = 5.6 Å
Related compounds
Other anions	polonium tetrafluoride polonium tetrachloride polonium tetraiodide
Other cations	selenium tetrabromide tellurium tetrabromide
Related compounds	polonium tetrabromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Polonium tetrabromide, is a bromideofpolonium, 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]

Like polonium tetraiodide, polonium tetrabromide can also be produced by the reaction of polonium dioxide and hydrogen bromide:^[2]

PoO₂ + 4 HBr → PoBr₄ + 2 H₂O

Properties[edit]

Polonium tetrabromide is a light red solid that is easily deliquescent.^[1] It crystallizes in the cubic crystal system, with space group Fm3m (No. 225) and lattice parameter a = 5.6 Å.^[3]

References[edit]

^ ^a ^b P. E. Figgins (1961), The Radiochemistry of Polonium, National Academies, p. 13

^ ^a ^b ^c ^d M. Schmidt, W. Siebert, K. W. Bagnall (October 2013). The Chemistry of Sulphur, Selenium, Tellurium and Polonium: Pergamon Texts in Inorganic Chemistry. Elsevier. p. 960-961. ISBN 978-1483158655.{{cite book}}: CS1 maint: multiple names: authors list (link)

^ H. J. Emeléus, A. G. Sharpe (January 1962). Advances in Inorganic Chemistry and Radiochemistry. Academic Press. p. 216. ISBN 0080578535.

v t e Polonium compounds
Polonium(−II)	Li₂Po Na₂Po K₂Po Rb₂Po Cs₂Po BePo MgPo CaPo SrPo BaPo ZnPo CdPo HgPo PbPo
Polonium(II)	PoH₂ PoCl₂ PoBr₂ PoI₂ PoO PoS Po(OH)₂ Po(NO₃)₂ "PoSO₃" "PoSeO₃"
Polonium(IV)	PoF₄ PoCl₄ PoBr₄ PoI₄ PoCl₂Br₂ PoO₂ PoO(OH)₂ Po(SO₄)₂ Po(SeO₄)₂ Po(NO₃)₄ Po(CO₃)₂ Po₃(PO₄)₄ Po(CrO₄)₂ Po(IO₃)₄ H₂PoBr₆ Cs₂PoCl₆ Cs₂PoBr₆ Cs₂PoI₆ H₂PoO₃ K₂PoO₃ Po(C₂O₄)₂ Po(CH₃CO₂)₄ Po(CN)₄
Polonium(VI)	PoF₆ PoO₃

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