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]

Cyclopropatriene
Skeletal formula of cyclopropatriene
Names
Preferred IUPAC name
Cyclopropa-1,1(3),2-triene
Identifiers
3D model (JSmol)
  • InChI=1S/C3/c1-2-3-1
    Key: YFIWEVIZVZPDMO-UHFFFAOYSA-N
  • C=1=C=C=1
Properties
C3
Molar mass 36.033 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

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  1. ^ 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.