Tetracyanoethylene

Tetracyanoethylene, often abbreviated as TCNE, is a chemical compound with the formula C6N4. It is a white crystalline solid that is known for its electron-accepting properties. TCNE is highly symmetrical and features a central ethylene core with four cyano groups attached. Its structure contributes to its strong oxidizing potential.

This compound is a powerful electron acceptor and readily forms charge-transfer complexes with electron donors. This property makes it useful in various chemical research applications, including studies of organic conductors and semiconductors. TCNE has also been investigated for its potential in materials science and as a reagent in organic synthesis.

Tetracyanoethylene is synthesized through various chemical routes, often involving the reaction of malononitrile derivatives. It is important to handle TCNE with care, as it can be irritating and is a strong oxidizing agent. Its reactivity necessitates specific storage and handling procedures to ensure safety. The compound's unique electronic structure continues to be a subject of scientific interest and exploration.