Titanium(III) fluoride

Titanium(III) fluoride
Names
	IUPAC name Titanium(III) fluoride
	Other names Titanium trifluoride ; Titanous fluoride ; Trifluorotitanium
Identifiers
CAS Number	13470-08-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	75341 ;
ECHA InfoCard	100.033.379
EC Number	236-732-4;
PubChem CID	83506;
CompTox Dashboard (EPA)	DTXSID9065495 ;
	InChI InChI=1S/3FH.Ti/h31H;/q;;;+3/p-3 Key: NLPMQGKZYAYAFE-UHFFFAOYSA-K ; InChI=1/3FH.Ti/h31H;/q;;;+3/p-3 Key: NLPMQGKZYAYAFE-DFZHHIFOAU;
	SMILES F[Ti](F)F;
Properties
Chemical formula	TiF3
Molar mass	104.862 g/mol
Appearance	violet to purple-red powder
Density	2.98 g/cm3
Melting point	1,200 °C (2,190 °F; 1,470 K)
Boiling point	1,400 °C (2,550 °F; 1,670 K)
Solubility in water	soluble
Magnetic susceptibility (χ)	+1300·10−6 cm3/mol
Structure
Crystal structure	Rhombohedral, hR24
Space group	R-3c, No. 167
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Corrosive
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280, P305+P351+P338, P310
Related compounds
Other anions	Titanium(III) bromide ; Titanium(III) chloride ; Titanium(III) iodide
Related compounds	Titanium(IV) fluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Titanium(III) fluoride is the inorganic compound with the formula Ti F₃. A violet, paramagnetic solid, it is one of two titanium fluorides, the other being titanium tetrafluoride.^[1] It adopts a defect perovskite-like structure such that each Ti center has octahedral coordination geometry, and each fluoride ligand is doubly bridging.^[2]

Titanium(III) fluoride can be prepared by dissolution of titanium metal in hydrogen fluoride. In air, it slowly oxidizes to titanium(IV).^[1]

References

^ ^a ^b Meshri, Dayal T. (2000). "Fluorine Compounds, Inorganic, Titanium". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.2009200113051908.a01. ISBN 978-0-471-48494-3.
^ H. Sowa; H. Ahsbahs (1998). "Pressure-Induced Octahedron Strain in VF₃-Type Compounds". Acta Crystallogr. B54 (5): 578–584. Bibcode:1998AcCrB..54..578S. doi:10.1107/S0108768198001207.

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