"Species" "Ionization Potential" 0 9.46E+04 1 1.90E+05 2 3.89E+05 3 5.24E+05 4 1.94E+06 5 2.38E+06 6 2.86E+06 7 3.52E+06 8 4.07E+06 9 4.66E+06 10 5.53E+06 11 6.07E+06 12 2.83E+07 13 3.10E+07