scandium trifluoride
- Formula: F3Sc
- Molecular weight: 101.951122
- CAS Registry Number: 13709-47-2
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Reaction thermochemistry 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
+ F3Sc = (
• F3Sc)
By formula: F- + F3Sc = (F- • F3Sc)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 474. ± 15. | kJ/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention; B |
| ΔrH° | 470. ± 10. | kJ/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B |
| ΔrH° | 487.4 ± 9.6 | kJ/mol | TDEq | Nikitin, Sidorov, et al., 1981 | gas phase; Fluoride Affinity: 4.1 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention; B |
| ΔrH° | 495. ± 10. | kJ/mol | TDEq | Skokan, Nikitin, et al., 1981 | gas phase; Fluoride Affinity: 2.5 kcal < AlF3.; value altered from reference due to conversion from electron convention to ion convention; B |
| ΔrH° | 469. | kJ/mol | MS | Pyatenko, Gusarov, et al., 1981 | gas phase; Knudsen cell; M |
By formula: F4Sc- + F3Sc = F7Sc2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 228.0 ± 0.84 | kJ/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 198.7 ± 1.3 | kJ/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase; B |
+ F3Sc = (
• F3Sc)
By formula: Na+ + F3Sc = (Na+ • F3Sc)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 140. | kJ/mol | MS | Tsirlina, Gusarov, et al., 1986 | gas phase; Knudsen cell; M |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Boltalina, Borshchevskii, et al., 1992
Boltalina, O.V.; Borshchevskii, A.Y.; Sidorov, L.N.,
Thermochemistry of 3d Elements Fluorides and Their Negative Ions in Gas Phase,
Russ. J. Phys. Chem., 1992, 66, 1223. [all data]
Nikitin, Igolkina, et al., 1986
Nikitin, M.I.; Igolkina, N.A.; Skokan, E.V.; Sorokin, I.D.; Sidirov, L.N.,
Enthalpies of formation of the AlF4- ion,
J. Phys. Chem., 1986, 60, 22. [all data]
Nikitin, Sidorov, et al., 1981
Nikitin, M.I.; Sidorov, L.N.; Skokan, E.V.; Sorokin, I.D.,
Mass spectrometric determination of the heats of formation of ScF4- and KF2-,
Russ. J. Phys. Chem., 1981, 55, 1107. [all data]
Skokan, Nikitin, et al., 1981
Skokan, E.V.; Nikitin, M.I.; Sorokin, I.D.; Gusarov, A.V.; Sidirov, L.N.,
Determination of the heat of formation of the tetrafluoroscandate and pentfluorozirconate ions by the effusion nethod,
Russ. J. Phys. Chem., 1981, 55, 1062. [all data]
Pyatenko, Gusarov, et al., 1981
Pyatenko, A.T.; Gusarov, A.V.; Gorokhov, L.N.,
Negative Ions in the Vapor Over Lanthanum Trifluoride,
High Temp., 1981, 19, 241. [all data]
Tsirlina, Gusarov, et al., 1986
Tsirlina, E.A.; Gusarov, A.V.; Gorokhov, L.N.,
High Temp., 1986, 14, 1064. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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