Sulfur hexafluoride anion
- Formula: F6S-
- Molecular weight: 146.056
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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 | -1320. ± 9.6 | kJ/mol | R-EA | Grimsrud, Chowdhury, et al., 1985 | ΔGea(423 K) = -29.8 kcal/mol; ΔSea = +13 eu. See also Chowdhury, Heinis, et al., 1986, Bopp, Roscioli, et al., 2007 |
| ΔfH°gas | <-1309.6 | kJ/mol | CIDT | Refaey and Franklin, 1978 |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Grimsrud, Chowdhury, et al., 1985
Grimsrud, E.P.; Chowdhury, S.; Kebarle, P.,
Electron affinity of SF6 and perfluoromethylcyclohexane. The unusual kinetics of electron transfer reactions A- + B- + A, where A = SF6 or perfluorinated cycloalkanes,
J. Chem. Phys., 1985, 83, 1059. [all data]
Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P.,
Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A- + B = A + B-,
J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037
. [all data]
Bopp, Roscioli, et al., 2007
Bopp, J.C.; Roscioli, J.R.; Johnson, M.A.; Miller, T.M.; Viggiano, A.A.; Villano, S.M.; Wren, S.W.; Lineberger,
Spectroscopic characterization of the isolated SF6- and C4F8- anions: Observation of very long harmonic progressions in symmetric deformation modes upon photodetachment,
J. Phys. Chem. A, 2007, 111, 7, 1214-1221, https://doi.org/10.1021/jp0665372
. [all data]
Refaey and Franklin, 1978
Refaey, K.M.A.; Franklin, J.L.,
Collisonal decomposition of SF6-,
Int. J. Mass Spectrom. Ion Phys., 1978, 26, 125. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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