Species with data from:

Chou, P.K.; Kass, S.R., C4H4 Negative Ions - Formation of the Bicyclo[1.1.0]But-1(3)-Ene Radical Anion and an Experimental Determination of the Heat of Formation of bicyclo[1.1.0]but-1(3)ene., J. Am. Chem. Soc., 1991, 113, 2, 697, https://doi.org/10.1021/ja00002a061 .

2 matching species were found.

For each matching species the following will be displayed:

• Chemical name
• Chemical formula
• Structure image (if available)

Click on the name to see more data.

1. Bicyclo[1.1.0]but-1(3)-ene anion (C₄H₄^-)
   
2. Bicyclo[1.1.0]but-1(3)-ene (C₄H₄)