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Radium iodide

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Radium iodide
Names
Other names Radium diiodide
Identifiers
CAS Number
3D model (JSmol)
InChI
  • InChI=1S/2HI.Ra/h2*1H;/q;;+2/p-2Key: VIUODKCIIYIXHC-UHFFFAOYSA-L
SMILES
  • ..
Properties
Chemical formula RaI2
Molar mass 480 g·mol
Appearance yellow solid
Density 5.83 g/cm
Solubility in water soluble
Related compounds
Other anions
Other cations
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Radium iodide is an inorganic compound of radium and iodine with the chemical formula RaI2. It is the radium salt of hydrogen iodide, consisting of radium cations Ra and iodide anions I.

Synthesis

The salt is synthesized by the reaction of radium carbonate with hydroiodic acid:

RaCO3 + 2 HI(aq) → RaI2 + H2O + CO2

References

  1. ^ Weigel, F.; Trinkl, A. (1968). "Zur Kristallchemie des Radiums". Ract. 9: 36–41. doi:10.1524/ract.1968.9.1.36. S2CID 201843329.
  2. Donnay, Joseph Désiré Hubert (1978). Crystal Data: Inorganic compounds 1967-1969. National Bureau of Standards. p. 0-160. Retrieved 7 June 2023.
Radium compounds
Salts and covalent derivatives of the iodide ion
HI
+H 		He
LiI BeI2 BI3
+BO3 		CI4
+C 		NI3
NH4I
+N 		I2O4
I2O5
I2O6
I4O9 		IF
IF3
IF5
IF7 		Ne
NaI MgI2 AlI
AlI3 		SiI4 PI3
P2I4
+P
PI5 		S2I2 ICl
ICl3 		Ar
KI CaI2 ScI3 TiI2
TiI3
TiI4 		VI2
VI3 		CrI2
CrI3
CrI4 		MnI2 FeI2
FeI3 		CoI2 NiI2
-Ni 		CuI ZnI2 GaI
GaI3 		GeI2
GeI4
+Ge 		AsI3
As2I4
+As 		Se IBr
IBr3 		Kr
RbI
RbI3 		SrI2 YI3 ZrI2
ZrI3
ZrI4 		NbI4
NbI5 		MoI2
MoI3 		TcI3 RuI3 RhI3 PdI2 AgI CdI2 InI
InI3 		SnI2
SnI4 		SbI3
+Sb 		TeI4
+Te 		I
I
3 		Xe
CsI
CsI3 		BaI2   LuI3 HfI3
HfI4 		TaI4
TaI5 		WI2
WI3
WI4 		ReI3
ReI
4 		OsI
OsI2
OsI3 		IrI3
IrI
4 		PtI2
PtI4 		AuI
AuI3 		Hg2I2
HgI2 		TlI
TlI3 		PbI2 BiI3 PoI2
PoI4 		AtI Rn
Fr RaI2   Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
↓
LaI2
LaI3 		CeI2
CeI3 		PrI2
PrI3 		NdI2
NdI3 		PmI3 SmI2
SmI3 		EuI2
EuI3 		GdI2
GdI3 		TbI3 DyI2
DyI
3 		HoI3 ErI3 TmI2
TmI3 		YbI2
YbI3
AcI3 ThI2
ThI3
ThI4 		PaI4
PaI5 		UI3
UI4 		NpI3 PuI3 AmI2
AmI3 		CmI3 BkI
3 		CfI
2
CfI
3 		EsI2
EsI3 		Fm Md No
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