Abstract
The highly fluorinated chiral molecule was observed to sequentially attach two electrons in the gas phase to produce and + . The first electron affinity (EA) of was measured to be 4.06 ± 0.3 eV. The first and second EA were calculated to be E = 5.07 eV and E = 2.27 eV for the more symmetric isomer. The dianion was found to be more stable with respect to electron detachment than the singly charged anion. This remarkable stability of the dianion is attributed to a potential barrier resulting from the long range Coulomb repulsion and short range electron-molecule binding.
- Received 21 March 1994
DOI:https://doi.org/10.1103/PhysRevLett.73.2821
©1994 American Physical Society