Tags: Chemical Compound, Chemical Substance.
[2.2.2]Propellane formally tricyclo[2.2.2.014]octane is an organic compound a member of the propellane family. It is a hydrocarbon with formula C8H12 or C2(=C2H4)3. Its molecule has three rings with four carbon atoms each sharing one C-C bond.This compound is unstable (although not as much as [1.1.1]propellane). The bond angles on the shared carbons are considerably strained: three of them are close to 90 degrees the other three to 120 degrees.
