Cobalt tetrafluoride

Cobalt tetrafluoride is a binary inorganic compound with a chemical formula of CoF4.

Synthesis
Cobalt tetrafluoride was prepared is a gas-phase reaction of fluorination of CoF3 by using TbF4 as a fluorinating agent.

Physical properties
Cobalt tetrafluoride is too unstable to exist as a solid or liquid, but it is stable in a dilute gas phase.