Vanadium(II) fluoride

Vanadium fluoride is a fluoride of vanadium, with the chemical formula of VF₂. It forms blue crystals.

Preparation

Vanadium fluoride can be produced by the reduction of vanadium trifluoride by hydrogen in a hydrogen fluoride atmosphere at 1150 °C:

Properties

Physical properties

Vanadium fluoride crystallizes in the tetragonal crystal system with space group P4₂/mnm. Its lattice constants are a = 480.4 pm and c = 323.7 pm.

Reactions

Vanadium fluoride is a strong reducing agent that can reduce nitrogen to hydrazine in the presence of magnesium hydroxide.
It dissolves in water to form ²⁺ ions.