Trifluoromethylisocyanide
Trifluoromethylisocyanide is the chemical compound with the formula CF3NC. It is an isocyanide and a fluorocarbon. Polymerisation occurs even at temperatures below its boiling point of -80 °C. As a ligand in coordination chemistry, this species behaves similarly to carbon monoxide.
The compound trifluoracetonitrile is an isomer to trifluoromethylisocyanide. The nitrile is more stable, as is the usual case.