Sodium iodide
- Formula: INa
- Molecular weight: 149.89424
- IUPAC Standard InChI: InChI=1S/HI.Na/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: FVAUCKIRQBBSSJ-UHFFFAOYSA-M
- CAS Registry Number: 7681-82-5
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 7.62 ± 0.02 | eV | N/A | N/A | L |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.87 ± 0.10 | LPES | Miller, Leopold, et al., 1986 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.6 | EI | Metallinou, Herstad, et al., 1990 | LL |
| 8.2 ± 0.1 | EI | Hilpert and Gingerich, 1983 | LBLHLM |
| 7.8 ± 0.4 | EI | Emons, Horlbeck, et al., 1982 | LBLHLM |
| 7.6 ± 0.1 | PE | Potts and Price, 1977 | LLK |
| 7.6 ± 0.1 | PE | Potts, Williams, et al., 1974 | LLK |
| 7.64 ± 0.02 | PI | Berkowitz, 1971 | LLK |
| 7.64 | PI | Berkowitz and Chupka, 1966 | RDSH |
| 8.0 ± 0.3 | EI | Berkowitz and Chupka, 1966 | RDSH |
| 8.7 ± 0.3 | EI | Platel, 1965 | RDSH |
| 8.0 | PE | Goodman, Allen, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| I+ | 14.42 ± 0.02 | Na | EI | Hilpert and Gingerich, 1983 | LBLHLM |
| I+ | 14.4 ± 0.3 | Na | EI | Platel, 1965 | RDSH |
| Na+ | 8.7 ± 0.1 | I | EI | Hilpert and Gingerich, 1983 | LBLHLM |
| Na+ | 8.138 | I | PI | Berkowitz and Chupka, 1966 | RDSH |
| Na+ | 8.7 ± 0.3 | I | EI | Platel, 1965 | RDSH |
References
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.
Miller, Leopold, et al., 1986
Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C.,
Electron Affinities of the Alkali Halides and the Structure of their Negative Ions,
J. Chem. Phys., 1986, 85, 5, 2368, https://doi.org/10.1063/1.451091
. [all data]
Metallinou, Herstad, et al., 1990
Metallinou, M.M.; Herstad, O.; Ostvold, T.; Papatheodorou, G.N.,
Gas complexation in the Nal-Erl3 system,
Acta Chem. Scand., 1990, 44, 683. [all data]
Hilpert and Gingerich, 1983
Hilpert, K.; Gingerich, K.A.,
Mass spectrometric study on the evaporation of phases of the system NaI-SnI2,
Int. J. Mass Spectrom. Ion Phys., 1983, 47, 247. [all data]
Emons, Horlbeck, et al., 1982
Emons, H.-H.; Horlbeck, W.; Kiessling, D.,
Massenspektrometrische untersuchung der gasphase uber alkalimetalliodiden,
Z. Anorg. Allg. Chem., 1982, 488, 212. [all data]
Potts and Price, 1977
Potts, A.W.; Price, W.C.,
Photoelectron studies of ionic materials using molecular beam techniques,
Phys. Scr., 1977, 16, 191. [all data]
Potts, Williams, et al., 1974
Potts, A.W.; Williams, T.A.; Price, W.C.,
Photoelectron spectra and electronic structure of diatomic alkali halides,
Proc. Roy. Soc. London A, 1974, 341, 147. [all data]
Berkowitz, 1971
Berkowitz, J.,
Photoionization mass spectrometry photoelectron spectroscopy of high temperature vapor,
Adv. High Temp. Chem., 1971, 3, 123. [all data]
Berkowitz and Chupka, 1966
Berkowitz, J.; Chupka, W.A.,
Photoionization of high-temperature vapors. I. The iodides of sodium, magnesium, and thallium,
J. Chem. Phys., 1966, 45, 1287. [all data]
Platel, 1965
Platel, G.,
Mesures des potentials d'apparition des ions obtenus par impact electronique dans la phase vapeur des iodures alcalins et des melanges LiI-MI,
J. Chim. Phys., 1965, 62, 1176. [all data]
Goodman, Allen, et al., 1974
Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K.,
The photoelectron spectra of gaseous alkali halides,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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