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Description
A computed list of transition lines for the atomic ion C^+^ is generated using R-matrix [1], Autostructure [2] and Emissivity [3] codes. These lines are produced by dielectronic recombination and subsequent cascade decays of the low-lying autoionizing states above the threshold of C^2+1^S^e^ with a principal quantum number n<5 for the captured electron. The line list contains 6187 optically-allowed transitions which include many C II lines observed in the astronomical spectra [4]. Beside the transition lines, the data also include level energies for the bound and resonance states, radiative transition probabilities, recombination rate coefficients, and oscillator strengths. A 26-term C^2+^ atomic target was used within an intermediate coupling scheme in the production of these data. The theoretical results for energy and fine structure splitting agree very well with the available experimental data for both resonances and bound states. The data were also validated by comparison to theoretical data previously reported in the literature which include radiative transition probabilities, effective dielectronic recombination rate coefficients and autoionization probabilities.
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