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Polonium tetrabromide

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Polonium tetrabromide
Identifiers
CAS Number
3D model (JSmol)
PubChem CID
InChI
  • InChI=1S/4BrH.Po/h4*1H;/q;;;;+4/p-4Key: MOAWHUMOOBCMOF-UHFFFAOYSA-J
SMILES
  • Br(Br)(Br)Br
Properties
Chemical formula Br4Po
Molar mass 529 g·mol
Appearance pale red solid
Solubility soluble in ethanol
soluble in bromine
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 , 100 kPa). Infobox references
Chemical compound

Polonium tetrabromide, is a bromide of polonium, with the chemical formula PoBr4.

Preparation

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

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

PoO2 + 4 HBr → PoBr4 + 2 H2O

Properties

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

References

  1. ^ P. E. Figgins (1961), The Radiochemistry of Polonium, National Academies, p. 13
  2. ^ 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)
  3. H. J. Emeléus, A. G. Sharpe (January 1962). Advances in Inorganic Chemistry and Radiochemistry. Academic Press. p. 216. ISBN 0080578535.
Polonium compounds
Polonium(−II)
Polonium(II)
Polonium(IV)
Polonium(VI)
Salts and covalent derivatives of the bromide ion
HBr He
LiBr BeBr2 BBr3
+BO3
CBr4
+C
NBr3
BrN3
NH4Br
NOBr
+N
Br2O
BrO2
Br2O3
Br2O5
BrF
BrF3
BrF5
Ne
NaBr MgBr2 AlBr
AlBr3
SiBr4 PBr3
PBr5
PBr7
+P
S2Br2
SBr2
BrCl Ar
KBr CaBr2
ScBr3 TiBr2
TiBr3
TiBr4
VBr2
VBr3
CrBr2
CrBr3
CrBr4
MnBr2 FeBr2
FeBr3
CoBr2 NiBr2
NiBr4
CuBr
CuBr2
ZnBr2 GaBr3 GeBr2
GeBr4
AsBr3
+As
+AsO3
SeBr2
SeBr4
Br2 Kr
RbBr SrBr2 YBr3 ZrBr2
ZrBr3
ZrBr4
NbBr5 MoBr2
MoBr3
MoBr4
TcBr3
TcBr4
RuBr3 RhBr3 PdBr2 AgBr CdBr2 InBr
InBr3
SnBr2
SnBr4
SbBr3
+Sb
-Sb
Te2Br
TeBr4
+Te
IBr
IBr3
XeBr2
CsBr BaBr2 * LuBr3 HfBr4 TaBr5 WBr5
WBr6
ReBr3 OsBr3
OsBr4
IrBr3
IrBr
4
PtBr2
PtBr4
AuBr
AuBr3
Hg2Br2
HgBr2
TlBr PbBr2 BiBr3 PoBr2
PoBr4
AtBr Rn
FrBr RaBr2 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* LaBr3 CeBr3 PrBr3 NdBr2
NdBr3
PmBr3 SmBr2
SmBr3
EuBr2
EuBr3
GdBr3 TbBr3 DyBr3 HoBr3 ErBr3 TmBr2
TmBr3
YbBr2
YbBr3
** AcBr3 ThBr4 PaBr4
PaBr5
UBr4
UBr5
NpBr3
NpBr4
PuBr3 AmBr2
AmBr3
CmBr3 BkBr3 CfBr3 EsBr2
EsBr3
Fm Md No
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