Cyclopropatriene is a hypothetical compound (C3) which is an allotrope of carbon. It was once proposed as a candidate for a spectroscopically observed tricarbon species. It is a cyclic cumulene.[1]
References
- ^ Rogers, Donald W.; McLafferty, Frank (1995). "G2 Ab Initio Calculations of the Enthalpies of Formation of C3 Hydrocarbons". The Journal of Physical Chemistry. 99 (5): 1375. doi:10.1021/j100005a002.