Mercury diiodide
- Formula: HgI2
- Molecular weight: 454.40
- IUPAC Standard InChI: InChI=1S/Hg.2HI/h;2*1H/q+2;;/p-2
- IUPAC Standard InChIKey: YFDLHELOZYVNJE-UHFFFAOYSA-L
- CAS Registry Number: 7774-29-0
- Chemical structure:
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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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 9.509 ± 0.002 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.5088 ± 0.0022 | PI | Linn, Tzeng, et al., 1983 | LBLHLM |
| 9.5 | PE | Lee and Potts, 1981 | LLK |
| 9.50 | PE | Eland, 1970 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| HgI+ | 10.88 ± 0.05 | I | PI | Linn, Tzeng, et al., 1983 | LBLHLM |
| HgI+ | 10.88 ± 0.05 | I | EI | Linn, Tzeng, et al., 1983 | LBLHLM |
| HgI+ | 11.3 ± 0.4 | I | EI | Kiser, Dillard, et al., 1969 | RDSH |
| I+ | 13.12 ± 0.04 | HgI | EI | Linn, Tzeng, et al., 1983 | LBLHLM |
| I+ | 13.12 ± 0.04 | HgI | PI | Linn, Tzeng, et al., 1983 | LBLHLM |
| I+ | 15.5 ± 0.4 | ? | EI | Kiser, Dillard, et al., 1969 | RDSH |
| I2+ | 10.73 ± 0.04 | Hg | EI | Linn, Tzeng, et al., 1983 | LBLHLM |
| I2+ | 10.73 ± 0.04 | Hg | PI | Linn, Tzeng, et al., 1983 | LBLHLM |
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.
Linn, Tzeng, et al., 1983
Linn, S.H.; Tzeng, W.-B.; Brom, J.M., Jr.; Ng, C.Y.,
Molecular beam photoionization study of HgBr2 and HgI2,
J. Chem. Phys., 1983, 78, 50. [all data]
Lee and Potts, 1981
Lee, E.P.F.; Potts, A.W.,
Fine structure in the He(I)/He(II) photoelectron spectra of the metal valence (d) shells of the group IIB dihalides,
J. Electron Spectrosc. Relat. Phenom., 1981, 22, 247. [all data]
Eland, 1970
Eland, J.H.D.,
Photoelectron spectra and chemical bonding of mercury(II) compounds,
Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 37. [all data]
Kiser, Dillard, et al., 1969
Kiser, R.W.; Dillard, J.G.; Dugger, D.L.,
Mass spectrometry of inorganic halides,
Advan. Chem. Ser., 1969, 72, 153. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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