Thorium diiodide

Thorium diiodide
Identifiers
CAS Number	13779-95-8;
3D model (JSmol)	Interactive image;
PubChem CID	21115822;
	InChI InChI=1S/2HI.Th/h2*1H;/q;;+2/p-2 Key: WASWCTHKYRRDNN-UHFFFAOYSA-L;
	SMILES [Th+2].[I-].[I-];
Properties
Chemical formula	ThI2
Molar mass	612.75
Appearance	golden metallic
Density	7.21 g/cm3
Melting point	850 °C
Solubility in water	soluble
Structure
Crystal structure	hexagonal
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Radioactive
Related compounds
Other cations	Cerium diiodide; Praseodymium diiodide; Gadolinium diiodide
Related compounds	Thorium triiodide; Thorium tetraiodide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Thorium diiodide is an iodide of thorium, with the chemical formula of ThI₂. It is an electride with the ionic formula Th⁴⁺(I⁻)₂e⁻₂. It is air-sensitive.

Identifiers

CAS Number	13779-95-8
3D model (JSmol)	Interactive image
PubChem CID	21115822
InChI InChI=1S/2HI.Th/h2*1H;/q;;+2/p-2 Key: WASWCTHKYRRDNN-UHFFFAOYSA-L
SMILES [Th+2].[I-].[I-]
Properties
Chemical formula	ThI₂
Molar mass	612.75
Appearance	golden metallic
Density	7.21 g/cm³
Melting point	850 °C
Solubility in water	soluble
Structure
Crystal structure	hexagonal
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Radioactive
Related compounds
Other cations	Cerium diiodide Praseodymium diiodide Gadolinium diiodide
Related compounds	Thorium triiodide Thorium tetraiodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references