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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
3.160 ± 0.020LPESKhuseynov, Fontana, et al., 2012B
3.17 ± 0.20IMREChowdhury and Kebarle, 1986ΔGea(423 K) = -73.0 kcal/mol; ΔSea (estimated) = 0. eu.; B
2.30 ± 0.30LPDLyons and Palmer, 1976B
1.70 ± 0.30LPDLyons and Palmer, 1975B
2.030 ± 0.052PDLyons and Palmer, 1973B
2.884 ± 0.061SIFarragher and Page, 1967The Magnetron method, lacking mass analysis, is not considered reliable.; B

Ionization energy determinations

IE (eV) Method Reference Comment
11.765 ± 0.008PIKnowles and Nicholson, 1974LLK
11.67 ± 0.02PIKotov and Potapov, 1972LLK
11.79 ± 0.05PEHouk and Munchausen, 1976Vertical value; LLK


Go To: Top, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Khuseynov, Fontana, et al., 2012
Khuseynov, D.; Fontana, M.T.; Sanov, A., Photoelectron spectroscopy and photochemistry of tetracyanoethylene radical anion in the gas phase, Chem. Phys. Lett., 2012, 550, 15-18, https://doi.org/10.1016/j.cplett.2012.08.035 . [all data]

Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P., Electron affinities of di- and tetracyanoethylene and cyanobenzenes based on measurements of gas-phase electron transfer equilibria, J. Am. Chem. Soc., 1986, 108, 5453. [all data]

Lyons and Palmer, 1976
Lyons, L.E.; Palmer, L.D., The electron affinity of tetracyanoethylene and other organic electron acceptors, Aust. J. Chem., 1976, 29, 1919. [all data]

Lyons and Palmer, 1975
Lyons, L.E.; Palmer, L.D., A Surface ionization source and quadrupole mass filter for photodetachment studies, Int. J. Mass Spectrom. Ion Phys., 1975, 16, 431. [all data]

Lyons and Palmer, 1973
Lyons, L.E.; Palmer, L.D., Photodetachment of electrons from tetracyanoethylene nNegative ions, Chem. Phys. Lett., 1973, 21, 442. [all data]

Farragher and Page, 1967
Farragher, A.L.; Page, F.M., Experimental Determination of Electron Affinities. Part 11. - Electron Capture by Some Cyanocarbons and Related Compounds, Trans. Farad. Soc., 1967, 63, 2369, https://doi.org/10.1039/tf9676302369 . [all data]

Knowles and Nicholson, 1974
Knowles, D.J.; Nicholson, A.J.C., Ionization energies of formic and acetic acid monomers, J. Chem. Phys., 1974, 60, 1180. [all data]

Kotov and Potapov, 1972
Kotov, B.V.; Potapov, V.K., Ionization potentials of strong organic electron acceptors, Khim. Vys. Energ., 1972, 6, 375. [all data]

Houk and Munchausen, 1976
Houk, K.N.; Munchausen, L.L., Ionization potentials, electron affinities, reactivities of cyanoalkenes related electron-deficient alkenes. A frontier molecular orbital treatment of cyanoalkene reactivities in cycloaddition, electrophilic, nucleophilic, and radical reactions., J. Am. Chem. Soc., 1976, 98, 937. [all data]


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