Potential energy curve for dissociation of cation of carbon dioxide
Few of the literatures are here:
http://iopscience.iop.org/article/10.1088/0953-4075/47/12/124025/meta

https://pubs.acs.org/doi/pdf/10.1021/jp907351s

https://aip.scitation.org/doi/10.1063/1.444413