Thorium monoxide
- Formula: OTh
- Molecular weight: 248.0375
- CAS Registry Number: 12035-93-7
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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 compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 6.1 ± 0.3 | EI | Lau, Brittain, et al., 1989 | LL |
| 6.1 ± 0.1 | EI | Rauh and Ackermann, 1974 | LLK |
| 6.1 | EI | Neubert and Zmbov, 1974 | LLK |
| ≥6.0 ± 0.1 | EI | Hildenbrand and Murad, 1974 | LLK |
| 6.1 ± 0.15 | EI | Ackermann and Rauh, 1973 | LLK |
| 8.1 ± 0.1 | EI | Il'ina, Rutgaizer, et al., 1967 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Th+ | 15.9 ± 0.1 | O | EI | Hildenbrand and Murad, 1974, 2 | LLK |
| Th+ | 16. | O | EI | Hildenbrand and Murad, 1974 | LLK |
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.
Lau, Brittain, et al., 1989
Lau, K.H.; Brittain, R.D.; Hildenbrand, D.L.,
High temperature thermodynamic studies of some gaseous thorium fluorides,
J. Chem. Phys., 1989, 90, 1158. [all data]
Rauh and Ackermann, 1974
Rauh, E.G.; Ackermann, R.J.,
First ionization potentials of some refractory oxide vapors,
J. Chem. Phys., 1974, 60, 1396. [all data]
Neubert and Zmbov, 1974
Neubert, A.; Zmbov, K.F.,
Mass spectrometric determination of the dissociation energy of the ThO molecule,
High Temp. Sci., 1974, 6, 303. [all data]
Hildenbrand and Murad, 1974
Hildenbrand, D.L.; Murad, E.,
Mass spectrometric studies of gaseous ThO and ThO2,
J. Chem. Phys., 1974, 61, 1232. [all data]
Ackermann and Rauh, 1973
Ackermann, R.J.; Rauh, E.G.,
High temperature properties of the thorium-oxygen system: a revision of the thermodynamic properties of ThO(g) and ThO2(g),
High Temp. Sci., 1973, 5, 463. [all data]
Il'ina, Rutgaizer, et al., 1967
Il'ina, G.G.; Rutgaizer, Yu.S.; Semenov, G.A.,
Ion source for mass spectral study of the energy characteristics of molecules,
Pribory i Tekhn. Ekrperim.,, 1967, 151, In original 158. [all data]
Hildenbrand and Murad, 1974, 2
Hildenbrand, D.L.; Murad, E.,
Ionization potential of thorium,
J. Chem. Phys., 1974, 61, 5466. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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