Rhenium(IV) chloride

Rhenium(IV) chloride
	Unit cell of Rhenium(IV) chloride.
Names
	Other names rhenium tetrachloride
Identifiers
CAS Number	13569-71-6;
3D model (JSmol)	Interactive image;
ChemSpider	75414;
ECHA InfoCard	100.033.612
PubChem CID	18469522 PubChem has incorrect charge balance;
CompTox Dashboard (EPA)	DTXSID7065540 ;
	InChI InChI=1S/4Cl.Re Key: YPYBYMCXDNTAKJ-UHFFFAOYSA-N;
	SMILES [Cl-].[Cl-].[Cl-].[Cl-].[Re+4];
Properties
Chemical formula	Cl4Re
Molar mass	328.01 g·mol−1
Appearance	black solid
Density	4.5 g·cm−3 (β)
Structure
Crystal structure	Primitive monoclinic
Space group	P2/c, No. 13
Lattice constant	a = 636.2 pm, b = 627.3 pm, c = 1216.5 pm α = 90°, β = 93.15°, γ = 90°
Formula units (Z)	4
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Rhenium(IV) chloride is the inorganic compound with the formula ReCl₄. This black solid is of interest as a binary phase but otherwise is of little practical value. A second polymorph of ReCl₄ is also known.