Dissociation dynamics of energy-selected acetic acid ions: The gas phase heat of formation of the acetyl ion
NS Shuman, WR Stevens, T Baer - International Journal of Mass …, 2010 - Elsevier
The dissociation of energy-selected acetic acid ions (CH3COOH+) has been investigated by
Threshold Photoelectron–photoion Coincidence (TPEPICO) spectroscopy. The lowest
energy dissociation pathway for CH3COOH+ is OH loss, and the 0K onset (E0) of this
process is measured to be 11.641±0.008 eV. The reaction rate for this step is instantaneous
on the time-scale of the experiment so that no rate theory is required to extract its onset.
Because the heats of formation of acetic acid and the OH radical are known to an accuracy …
Threshold Photoelectron–photoion Coincidence (TPEPICO) spectroscopy. The lowest
energy dissociation pathway for CH3COOH+ is OH loss, and the 0K onset (E0) of this
process is measured to be 11.641±0.008 eV. The reaction rate for this step is instantaneous
on the time-scale of the experiment so that no rate theory is required to extract its onset.
Because the heats of formation of acetic acid and the OH radical are known to an accuracy …
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