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Université de Fribourg

The electronic structure of TEMPO, its cation and anion

Kubala, D. ; Regeta, K. ; Janečková, R. ; Fedor, Juraj ; Grimme, S. ; Hansen, A. ; Nesvadba, P. ; Allan, Michael

In: Molecular Physics, 2013, p. -

The electronic structure of TEMPO (2,2,6,6-Tetramethylpiperidine-N-oxyl) and its cation and anion were studied experimentally using the electron spectroscopy techniques, dissociative electron attachment (DEA) spectroscopy, electron energy-loss spectroscopy, measurement of elastic and vibrational excitation (VE) cross sections and HeI photoelectron spectroscopy. The experiments were supplemented...

Université de Fribourg

Dissociative electron attachment and electron energy-loss spectra of phenyl azide

Živanov, Svetlana ; Ibanescu, Bogdan C. ; Paech, M. ; Poffet, Martine ; Baettig, Pio ; Sergenton, A.-C. ; Grimme, S. ; Allan, Michael

In: Journal of Physics B: Atomic, Molecular and Optical Physics, 2007, vol. 40, no. 1, p. 101-109

Electron-induced chemistry—dissociative electron attachment (DEA)—was studied for phenyl azide. The major fragment corresponded to the loss of N₂ and formation of the phenylnitrene anion. This process has an onset already at zero kinetic energy of the incident electron and is interpreted as proceeding via the A″π* electronic ground state of the phenyl azide anion. Other fragments,...