Species with data from:

Gunion, R.F.; Koppel, H.; Leach, G.W.; Lineberger, W.C., Photoelectron spectroscopy of C4H4-: Ab initio calculations and dynamics of the 1,2-hydrogen shift in vinylidene, J. Chem. Phys., 1995, 103, 4, 1250, https://doi.org/10.1063/1.469801 .

4 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. C2H3CH=C: (C₄H₄)
2. CH2=CHCH=C radical (C₄H₄)
3. C2D3CD=C:- (C₄D₄^-)
4. C2H3CH=C:- (C₄H₄^-)