Carbon accretion and desorption by interstellar polycyclic aromatic hydrocarbons

Open Access

Fig. E.2

Energies [kcal/mol, vs coronene + $C (^{2} P_{j}^{+})$ $\mathrm{C}(^{2}\mathrm{P}_{\mathrm{j}}^{+})$ ] of different possible structures into which the most stable isomers of C-coronene⁺ cation, $C_{25} H_{12}^{+}$ $\mathrm{C}_{25}\mathrm{H}_{12}^{+}$ , C6 (with a 7C ring), C14, and C15 (Fig. 4), could be photofragmented (Sections 3.4 and 4.2). The reaction energies for the various fragmentation processes are given in kcal/mol (red) and eV (blue).

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