Vanadium(III) fluoride

Vanadium(III) fluoride
Names
Other names
Vanadium fluoride, Vanadium trifluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.141
UNII
  • InChI=1S/3FH.V/h3*1H;/q;;;+3/p-3 Y
    Key: PASVSMBJEYQYSN-UHFFFAOYSA-K Y
  • InChI=1/3FH.V/h3*1H;/q;;;+3/p-3
    Key: PASVSMBJEYQYSN-DFZHHIFOAM
  • [V+3].[F-].[F-].[F-]
Properties
F3V
Molar mass 107.9367 g·mol−1
Appearance Yellow-green powder (anhydrous)
Green powder (trihydrate)
Density 3.363 g/cm3
Melting point 1,395 °C (2,543 °F; 1,668 K)
at 760 mmHg (anhydrous)
~ 100 °C (212 °F; 373 K)
at 760 mmHg (trihydrate) decomposes
Boiling point Sublimes
Insoluble
Solubility Insoluble in EtOH
2.757·10−3 cm3/mol
Structure
Rhombohedral, hR24
R3c, No. 167
3 2/m
a = 5.17 Å, c = 13.402 Å
α = 90°, β = 90°, γ = 120°
Hazards
GHS labelling:
Danger
H301, H311, H314, H331
P261, P280, P301+P310, P305+P351+P338, P310
NFPA 704 (fire diamond)
3
0
2
Related compounds
Other anions
Vanadium(III) chloride
Vanadium(III) oxide
Vanadium(III) nitride
Other cations
Vanadium(IV) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Vanadium(III) fluoride is the chemical compound with the formula VF3. This yellow-green, refractory solid is obtained in a two-step procedure from V2O3. Similar to other transition-metal fluorides (such as MnF2), it exhibits magnetic ordering at low temperatures (e.g. V2F6.4H2O orders below 12 K).