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 (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 255.9 ± 5.3 | 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
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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
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- 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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