Phosphenothious fluoride
- Formula: FPS
- Molecular weight: 82.037
- CAS Registry Number: 55753-39-4
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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: Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 10.47 | PE | Bock, Kremer, et al., 1992 |
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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
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Clustering reactions
+ FPS = (
• FPS)
By formula: F- + FPS = (F- • FPS)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 62. ± 5. | kcal/mol | ICR | Larson and McMahon, 1987 | gas phase; bracketing; M |
+ FPS = F2PS-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 62.0 ± 5.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 56.0 ± 4.0 | kcal/mol | IMRB | Larson and McMahon, 1987 | gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B |
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.
Bock, Kremer, et al., 1992
Bock, H.; Kremer, M.; Solouki, B.; Binnewies, M.; Meisel, M.,
Gas phase reactions. FPS2 and FPS,
J. Chem. Soc., Chem. Commun., 1992, 1992, 9. [all data]
Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B.,
Trends in Gas Phase Fluoride Ion Affinities of the Main Group Oxyfluorides and Fluoride Sulfides. Fluoride Adducts of FAsO, FPO, FPO2, F2SiO, F4SO, FBO, F2SiS, FPS, FAsS, F2S2, and S2O.,
Inorg. Chem., 1987, 26, 24, 4018, https://doi.org/10.1021/ic00271a011
. [all data]
Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R.,
Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study,
J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034
. [all data]
Notes
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- 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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