Abstract
The absorption spectrum of gaseous fluoride ion has been observed in shock-heated vapors of CsF, RbF, and KF. The spectrum is a continuum with two sharp thresholds at 3595 and 3542 Å, similar to those of the other halide ions. The electron affinity determined from the low-energy threshold is 3.448±0.005 eV. The cross-section for photodetachment at 3565 Å is about 2.5±2×10−18 cm2 and at 3525, about 3.3±2×10−18 cm2. The electron affinities of chlorine, bromine and iodine are revised, respectively, to 3.613, 3.363, and 3.063 eV, all with uncertainties of 0.003 eV.
References
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 9, 2005, 1:59 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 8, 2024, 4:30 p.m.) |
Indexed | 2 months, 1 week ago (June 20, 2025, 8:06 a.m.) |
Issued | 62 years, 5 months ago (April 1, 1963) |
Published | 62 years, 5 months ago (April 1, 1963) |
Published Print | 62 years, 5 months ago (April 1, 1963) |
@article{Berry_1963, title={Absorption Spectrum of Gaseous F- and Electron Affinities of the Halogen Atoms}, volume={38}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1776916}, DOI={10.1063/1.1776916}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Berry, R. Stephen and Reimann, Curt W.}, year={1963}, month=apr, pages={1540–1543} }