Abstract
The single electron transfer reactions between (CO22+)-C-13 and (CO2)-C-12 and between O-18(2)2+ and O-16(2) have been studied, using a position-sensitive coincidence technique, to test recently proposed explanations for the preferential dissociation of the (CO2+)-C-13 ion (the capture monocation) formed following electron transfer to (CO22+)-C-13. In our studies of the carbon dioxide collision system, in agreement with previous work, the capture monocation shows a greater propensity to dissociate than the monocation formed from the neutral, (CO2+)-C-12 (the ejection monocation).