thorium tetrafluoride
- Formula: F4Th
- Molecular weight: 308.03167
- CAS Registry Number: 13709-59-6
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Ion clustering data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: F- + F4Th = (F- • F4Th)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 436. ± 15. | kJ/mol | Ther | Sidirov, Zhuravlena, et al., 1983 | gas phase; Fluoride Affinity: 21.1 kcal < AlF3, 3.6 kcal < ZrF4; value altered from reference due to conversion from electron convention to ion convention |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Ion clustering data, References, Notes
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 |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: F- + F4Th = (F- • F4Th)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 436. ± 15. | kJ/mol | Ther | Sidirov, Zhuravlena, et al., 1983 | gas phase; Fluoride Affinity: 21.1 kcal < AlF3, 3.6 kcal < ZrF4; value altered from reference due to conversion from electron convention to ion convention |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sidirov, Zhuravlena, et al., 1983
Sidirov, L.N.; Zhuravlena, L.V.; Varkov, M.V.; Skokan, E.V.; Sorokin, I.D.; Koronev, Yu.M.; Akishima, P.A.,
Mass- spectrometric determination of enthalpies of dissociation of gaseous complex fluorides into neutral and charged particles. VII. MF-ThF4 systems,
Int. J. Mass Spectrom. Ion Processes, 1983, 51, 291. [all data]
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
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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