scandium trifluoride
- Formula: F3Sc
- Molecular weight: 101.951122
- CAS Registry Number: 13709-47-2
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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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
ScF+ | 16.0 ± 0.7 | ? | EI | Kent, Zmbov, et al., 1966 | |
ScF2+ | 13.5 ± 0.7 | F | EI | Kent, Zmbov, et al., 1966 | |
Sc+ | 28.0 ± 0.7 | ? | EI | Kent, Zmbov, et al., 1966 |
Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: F- + F3Sc = (F- • F3Sc)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 113.3 ± 3.6 | kcal/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° | 112.3 ± 2.4 | kcal/mol | TDEq | Nikitin, Igolkina, et al., 1986 | gas phase; Reanalyzed literature data, 4.3 kcal < AlF3; B |
ΔrH° | 116.5 ± 2.3 | kcal/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° | 118.2 ± 2.5 | kcal/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° | 112. | kcal/mol | MS | Pyatenko, Gusarov, et al., 1981 | gas phase; Knudsen cell; M |
By formula: F4Sc- + F3Sc = F7Sc2-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.50 ± 0.20 | kcal/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 47.50 ± 0.30 | kcal/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase; B |
By formula: Na+ + F3Sc = (Na+ • F3Sc)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33. | kcal/mol | MS | Tsirlina, Gusarov, et al., 1986 | gas phase; Knudsen cell; M |
References
Go To: Top, 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.
Kent, Zmbov, et al., 1966
Kent, R.A.; Zmbov, K.F.; Kana'an, A.S.; Besenbruch, G.; McDonald, J.D.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. X. The sublimation pressures of scandium(III), yttrium(III) and lanthanum(III), trifluorides,
J. Inorg. Nucl. Chem., 1966, 28, 1419. [all data]
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
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- Symbols used in this document:
AE Appearance energy 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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