The ethyl radical was observed in a low-pressure premixed gasdine/oxygen/argon flame by using tunable vacuum ultraviolet photoionization mass spectrometry. The ionization energy（IE） of the ethyl radical was derived ...The ethyl radical was observed in a low-pressure premixed gasdine/oxygen/argon flame by using tunable vacuum ultraviolet photoionization mass spectrometry. The ionization energy（IE） of the ethyl radical was derived to be（8. 24 ± 0. 02） eV from the photoionization efficiency curve. In addition, a high-level ab initio Gaussian-3 （G3） method was used to calculate the energies of the radical and its cation. The calculated adiabatic ionization potential is 8. 17 eV, which is in good agreement with the experimental value.展开更多
文摘The ethyl radical was observed in a low-pressure premixed gasdine/oxygen/argon flame by using tunable vacuum ultraviolet photoionization mass spectrometry. The ionization energy（IE） of the ethyl radical was derived to be（8. 24 ± 0. 02） eV from the photoionization efficiency curve. In addition, a high-level ab initio Gaussian-3 （G3） method was used to calculate the energies of the radical and its cation. The calculated adiabatic ionization potential is 8. 17 eV, which is in good agreement with the experimental value.
