thorium tetrafluoride
- Formula: F4Th
- Molecular weight: 308.03167
- CAS Registry Number: 13709-59-6
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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 30. ± 1.0 | EI | Zmbov, 1970 | RDSH |
| 13.36 | PE | Dyke, Josland, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| F2Th+ | 21. ± 1. | 2F | EI | Lau, Brittain, et al., 1989 | LL |
| ThF2+ | 23.2 ± 0.6 | ? | EI | Zmbov, 1970 | RDSH |
| F3Th+ | 13.5 ± 0.5 | F | EI | Lau, Brittain, et al., 1989 | LL |
| ThF3+ | 14.5 ± 0.5 | F | EI | Zmbov, 1970 | RDSH |
| Th+ | 39. ± 1.0 | ? | EI | Zmbov, 1970 | RDSH |
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.
Zmbov, 1970
Zmbov, K.F.,
Heats of formation of gaseous ThF3 and ThF2 from mass spectrometric studies,
J. Inorg. Nucl. Chem., 1970, 32, 1381. [all data]
Dyke, Josland, et al., 1981
Dyke, J.M.; Josland, G.D.; Morris, A.; Tucker, P.M.; Tyler, J.W.,
Study of the valence-electronic structure of UF4, ThF4, UCl4 and ThCl4 in the gas phase and in the solid state,
J. Chem. Soc. Faraday Trans. 2, 1981, 77, 1273. [all data]
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]
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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