germanium diiodide
- Formula: GeI2
- Molecular weight: 326.45
- IUPAC Standard InChI: InChI=1S/GeI2/c2-1-3
- IUPAC Standard InChIKey: IAGYEMVJHPEPGE-UHFFFAOYSA-N
- CAS Registry Number: 13573-08-5
- Chemical structure:
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Phase change 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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 87. ± 3. | kJ/mol | N/A | Titov, Zelenina, et al., 1999 | |
| ΔsubH° | 87. ± 3. | kJ/mol | N/A | Titov, Zelenina, et al., 1999 | |
| ΔsubH° | 76.5 ± 5.7 | kJ/mol | TE | Ferro and Stranges, 1987 | Based on data from 323. - 420. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference |
|---|---|---|
| 33.3 | 701.2 | Zelenina, Titov, et al., 2003 |
| 19.1 | 419. | Zelenina, Minenkov, et al., 1998 |
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.9 | PE | Jonkers, Van Der Kerk, et al., 1983 | LBLHLM |
| 9.08 ± 0.03 | PE | Jonkers, Van Der Kerk, et al., 1983 | Vertical value; LBLHLM |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Titov, Zelenina, et al., 1999
Titov, V.A.; Zelenina, L.N.; Chusova, T.P.,
The thermodynamic characteristics of sublimation and vaporization of germanium tetraiodide,
Zh. Fiz. Khim., 1999, 73, 6, 951. [all data]
Ferro and Stranges, 1987
Ferro, D.; Stranges, S.,
Vapour pressure and sublimation enthalpy of Gel4,
Thermochimica Acta, 1987, 119, 2, 373-375, https://doi.org/10.1016/0040-6031(87)80274-5
. [all data]
Zelenina, Titov, et al., 2003
Zelenina, L.N.; Titov, V.A.; Chusova, T.P.; Stenin, Yu.G.; Titov, A.A.,
On the thermodynamic properties of germanium-iodide compounds,
The Journal of Chemical Thermodynamics, 2003, 35, 10, 1601-1612, https://doi.org/10.1016/S0021-9614(03)00123-X
. [all data]
Zelenina, Minenkov, et al., 1998
Zelenina, L.N.; Minenkov, Yu.F.; Stenin, Yu.G.; Titov, V.A.; Chusova, T.P.,
Heat capacity of crystalline germanium tetraiodide,
Zh. Fiz. Khim., 1998, 72, 5, 803. [all data]
Jonkers, Van Der Kerk, et al., 1983
Jonkers, G.; Van Der Kerk, S.M.; Mooyman, R.; De Lange, C.A.; Snijders, J.G.,
UV photoelectron apectroscopy of transient species: Germanium diiodide (GeI2),
Chem. Phys. Lett., 1983, 94, 585. [all data]
Notes
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- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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