ScF3..F anion
- Formula: F4Sc-
- Molecular weight: 120.950073
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Gas phase 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 by: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -473.9 ± 3.6 | kcal/mol | Ther | Boltalina, Borshchevskii, et al., 1992 | Critical review; value altered from reference due to conversion from electron convention to ion convention |
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 by: John E. Bartmess
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Individual Reactions
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 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 47.50 ± 0.30 | kcal/mol | TDAs | Nikitin, Sidorov, et al., 1981 | gas phase |
Vibrational and/or electronic energy levels
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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: Marilyn E. Jacox
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| f2 | 3 | Asym. stretch | 601.5 | Ar | IR | Wang and Andrews, 2010 | |
References
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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, 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]
Wang and Andrews, 2010
Wang, X.; Andrews, L.,
Infrared Spectra of MF,
J. Phys. Chem. A, 2010, 114, 6, 2293, https://doi.org/10.1021/jp910936d
. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions 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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