Species with data from:

Dzhonson, A.; Jochnowitz, E.B.; Kim, E.; Maier, J.P., Electronic absorption spectra of the protonated polyacetylenes HC[sub 2n]H[sub 2][sup +] (n=3,4) in the gas phase, J. Chem. Phys., 2007, 126, 4, 044301, https://doi.org/10.1063/1.2430522 .

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. H2C8H+ (C₈H₃⁺)
2. H2C6H+ (C₆H₃⁺)