Species with data from:

Allan, M.; Kloster-Jensen, E.; Maier, J.P., Emission spectra of the radical cations of diacetylene (Ã2Πu→X2Πg), triacetylene (Ã2Πg→X2Πu), and tetraacetylene (Ã2Πu→X2Πg,O00), and the lifetimes of some vibronic levels of the à states, Chem. Phys., 1976, 17, 1, 11, https://doi.org/10.1016/0301-0104(76)85002-1 .

3 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. C4H2+ (C₄H₂⁺)
2. C6H2+ (C₆H₂⁺)
3. C8H2+ (C₈H₂⁺)