Vanadium(II) fluoride

Names
Other names Vanadium(II) fluoride
Identifiers
CAS Number	13842-80-3
3D model (JSmol)	Interactive image
PubChemCID	101602874
InChI InChI=1S/2FH.V/h2*1H;/q;;+2/p-2 Key: XHZLWOBYMWIKHM-UHFFFAOYSA-L
SMILES [F-].[F-].[V+2]
Properties
Chemical formula	F2V
Molar mass	88.9383 g·mol−1
Appearance	blue crystals [1]
Solubility in water	soluble in water, forms [V(H2O)6]2+[2]
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Infobox references

Vanadium(II) fluoride is afluoride ofvanadium, with the chemical formula of VF₂. It forms blue crystals.

Vanadium(II) fluoride can be produced by the reduction of vanadium trifluoride by hydrogen in a hydrogen fluoride atmosphere at 1150 °C:^[3]

2 VF₃ + H₂ → 2 VF₂ + 2 HF

Vanadium(II) fluoride crystallizes in thetetragonal crystal system withspace groupP4₂/mnm (No. 136). Its lattice constants are a = 480.4 pm and c = 323.7 pm.^[4]

Vanadium(II) fluoride is a strongreducing agent that can reducenitrogen tohydrazine in the presence ofmagnesium hydroxide.^[2]

It dissolves in water to form [V(H₂O)₆]²⁺ ions.^[2]

V²⁺ + 6 H₂O → [V(H₂O)₆]²⁺

• Vanadium(II) compounds
• Fluorides

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