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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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to HN+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Deltaf(+) ion1654.kJ/molN/AN/A 
Quantity Value Units Method Reference Comment
DeltafH(+) ion,0K1659.kJ/molN/AN/A 

Electron affinity determinations

EA (eV) Method Reference Comment
0.3700 ± 0.0040LPESNeumark, Lykke, et al., 1985B
0.381 ± 0.014LPESEngleking and Lineberger, 1976Neutral singlet 36.6±0.4 kcal/mol above triplet. See also Neumark, Lykke, et al., 1985, 2; B
0.380 ± 0.030LPESCelotta, Bennett, et al., 1974B

Ionization energy determinations

IE (eV) Method Reference Comment
12.8EIMelton, 1966RDSH
13.1 ± 0.2EIFoner and Hudson, 1966RDSH
13.10 ± 0.05EIReed and Snedden, 1959RDSH
13.49 ± 0.01PEDunlavey, Dyke, et al., 1980Vertical 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.

Neumark, Lykke, et al., 1985
Neumark, D.M.; Lykke, K.R.; Anderson, T.; Lineberger, W.C., Infrared Spectrum and Autodetachment Dynamics of NH-, J. Chem. Phys., 1985, 83, 9, 4364, https://doi.org/10.1063/1.449052 . [all data]

Engleking and Lineberger, 1976
Engleking, P.C.; Lineberger, W.C., Laser photoelectron spectrometry of NH-: Electron affinity and intercombination energy difference in NH, J. Chem. Phys., 1976, 65, 4323. [all data]

Neumark, Lykke, et al., 1985, 2
Neumark, D.M.; Lykke, K.R.; Andersen, T.; Lineberger, W.C., Laser photodetachment measurement of the electron affinity of atomic oxygen, Phys. Rev. A:, 1985, 32, 1890. [all data]

Celotta, Bennett, et al., 1974
Celotta, R.S.; Bennett, R.A.; Hall, J.L., Laser Photodetachment Determination of the Electron Affinities of OH, NH2, NH, SO2, and S2, J. Chem. Phys., 1974, 60, 5, 1740, https://doi.org/10.1063/1.1681268 . [all data]

Melton, 1966
Melton, C.E., Study by mass spectrometry of the decomposition of ammonia by ionizing radiation in a wide-range radiolysis source, J. Chem. Phys., 1966, 45, 4414. [all data]

Foner and Hudson, 1966
Foner, S.N.; Hudson, R.L., Mass spectrometry of free radicals and vibronically excited molecules produced by pulsed electrical discharges, J. Chem. Phys., 1966, 45, 40. [all data]

Reed and Snedden, 1959
Reed, R.I.; Snedden, W., The ionisation potential of NH, J. Chem. Soc., 1959, 4132. [all data]

Dunlavey, Dyke, et al., 1980
Dunlavey, S.J.; Dyke, J.M.; Jonathan, N.; Morris, A., Vacuum ultraviolet photoelectron spectroscopy of transient species. Part 11. The NH2(X(2)B1) radical, Mol. Phys., 1980, 39, 1121. [all data]


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