Dissociative electron impact ionization of N2O5

Abedi, A.; Cicman, P.; Coupier, B.; Gulejová, B.; Buchanan, G. A.; Marston, G.; Mason, N. J.; Scheier, P. and Märk, T. D. (2004). Dissociative electron impact ionization of N2O5. International Journal of Mass Spectrometry, 232(2) pp. 147–150.

DOI: https://doi.org/10.1016/j.ijms.2003.12.006


Electron impact ionization of dinitrogen pentoxide for incident electron energies up to about 25 eV has been investigated by use of a crossed beams quadrupole mass spectrometer system. The experiments reported in this paper detected the fragmentation products NO2+, NO+, O+, N+, and NO3+. No stable N2O5+ ion was observed. The NO3+ fragment, for which we determine an appearance energy 13.25±0.30 eV, has not been observed previously. This appearance energy is close to the calculated threshold.

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