Samarium diiodide
- Formula: I2Sm
- Molecular weight: 404.17
- CAS Registry Number: 32248-43-4
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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
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 61.2 ± 1.3 | 1082. | Hirayama, Castle, et al., 1974 | Based on data from 1008. to 1155. K. |
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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.0 ± 0.2 | EI | Hirayama, Castle, et al., 1974, 2 |
| 8.7 | EI | Hirayama and Castle, 1973 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| ISm+ | 9.8 ± 0.2 | I | EI | Hirayama, Castle, et al., 1974, 2 | |
| ISm+ | 9.2 | ? | EI | Hirayama and Castle, 1973 | |
| Sm+ | 13.1 ± 0.2 | 2I | EI | Hirayama, Castle, et al., 1974, 2 | |
| Sm+ | 12.5 | ? | EI | Hirayama and Castle, 1973 |
References
Go To: Top, Phase change data, 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.
Hirayama, Castle, et al., 1974
Hirayama, C.; Castle, P.M.; Liebermann, R.W.; Zollweg, R.J.; Camp, F.E.,
Vapor pressure of samarium diiodide and mass spectra vapors over samarium diiodide and thulium triiodide,
Inorg. Chem., 1974, 13, 12, 2804-2807, https://doi.org/10.1021/ic50142a008
. [all data]
Hirayama, Castle, et al., 1974, 2
Hirayama, C.; Castle, P.M.; Liebermann, R.W.; Zollweg, R.J.; Camp, F.E.,
Vapor pressure of samarium diiodide and mass spectra of vapors over samarium diiodide and thulium triiodide,
Inorg. Chem., 1974, 13, 2804. [all data]
Hirayama and Castle, 1973
Hirayama, C.; Castle, P.M.,
Mass spectra of rare earth triiodides,
J. Phys. Chem., 1973, 77, 3110. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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