Sulfur fluoride anion
- Formula: F6S-
- Molecular weight: 146.056
- CAS Registry Number: 25031-39-4
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Reaction thermochemistry data
Go To: Top, References, Notes
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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Individual Reactions
C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
By formula: C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.5 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.9 | 334. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
By formula: C6H4N2O4- + F6S- = (C6H4N2O4- • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.4 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | N/A | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.7 | 334. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; Entropy change calculated or estimated, DG<, ΔrH<; M |
By formula: (F6S- • 4294967295F5S) + F5S = F6S-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 40.4 ± 3.3 | kcal/mol | N/A | Grimsrud, Chowdhury, et al., 1985 | gas phase; ΔGea(423 K) = -29.8 kcal/mol; ΔSea = +13 eu. See also Chowdhury, Heinis, et al., 1986, Bopp, Roscioli, et al., 2007; B |
ΔrH° | 42.7 ± 2.8 | kcal/mol | CIDT | Lobring, Check, et al., 2003 | gas phase; Affinity: SF5- + F. Barrier to dissociation, but less than barrier to photodissociation; B |
(F3S+ • 2F6S-) + F6S- = (F3S+ • 3F6S-)
By formula: (F3S+ • 2F6S-) + F6S- = (F3S+ • 3F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | N/A | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy change calculated or estimated; M |
By formula: (F- • F6S-) + F6S- = (F- • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18. | cal/mol*K | N/A | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; Entropy change calculated or estimated; M |
F6S- + F6S- = (F6S- • F6S-)
By formula: F6S- + F6S- = (F6S- • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18. | cal/mol*K | N/A | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; Entropy change calculated or estimated; M |
( • 2F6S-) + F6S- = (
• 3F6S-)
By formula: (S+ • 2F6S-) + F6S- = (S+ • 3F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.0 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 11. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(FS+ • 2F6S-) + F6S- = (FS+ • 3F6S-)
By formula: (FS+ • 2F6S-) + F6S- = (FS+ • 3F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.7 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(F2S+ • 2F6S-) + F6S- = (F2S+ • 3F6S-)
By formula: (F2S+ • 2F6S-) + F6S- = (F2S+ • 3F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.2 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(F4S+ • F6S-) + F6S- = (F4S+ • 2F6S-)
By formula: (F4S+ • F6S-) + F6S- = (F4S+ • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.6 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 14. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: (S+ • F6S-) + F6S- = (S+ • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.4 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 11. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(F3S+ • F6S-) + F6S- = (F3S+ • 2F6S-)
By formula: (F3S+ • F6S-) + F6S- = (F3S+ • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.5 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(F5S- • F6S-) + F6S- = (F5S- • 2F6S-)
By formula: (F5S- • F6S-) + F6S- = (F5S- • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.6 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(FS+ • F6S-) + F6S- = (FS+ • 2F6S-)
By formula: (FS+ • F6S-) + F6S- = (FS+ • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.8 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 16. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
(F2S+ • F6S-) + F6S- = (F2S+ • 2F6S-)
By formula: (F2S+ • F6S-) + F6S- = (F2S+ • 2F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.0 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: F4S+ + F6S- = (F4S+ • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.2 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: S+ + F6S- = (S+ • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.4 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: F3S+ + F6S- = (F3S+ • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.4 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: FS+ + F6S- = (FS+ • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.1 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: F2S+ + F6S- = (F2S+ • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.8 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: F6S- + C6H4FNO2 = (F6S- • C6H4FNO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.7 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.1 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
By formula: F- + F6S- = (F- • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.4 | kcal/mol | PHPMS | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995, 2 | gas phase; M |
By formula: F6S- + C7H4F3NO2 = (F6S- • C7H4F3NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.0 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.7 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.9 | kcal/mol | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.5 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
By formula: Cl- + F6S- = (Cl- • F6S-)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
1.8 | 300. | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; DG<; M |
By formula: F5S- + F6S- = (F5S- • F6S-)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Shimizu, et al., 1995 | gas phase; M |
By formula: F6S- + CH4O = (F6S- • CH4O)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
4.5 | 308. | PHPMS | Knighton, Zook, et al., 1990 | gas phase; M |
By formula: F6S- + C2H6OS = (F6S- • C2H6OS)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.2 | 308. | PHPMS | Knighton, Zook, et al., 1990 | gas phase; 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.
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3,
J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687
. [all data]
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]
Lobring, Check, et al., 2003
Lobring, K.C.; Check, C.E.; Gilbert, T.M.; Sunderlin, L.S.,
New measurements of the thermochemistry of SF5- and SF6-,
Int. J. Mass Spectrom., 2003, 227, 3, 361-372, https://doi.org/10.1016/S1387-3806(03)00105-2
. [all data]
Hiraoka, Shimizu, et al., 1995
Hiraoka, K.; Shimizu, A.; Minamitsu, A.; Nasu, M. Fujimaki,
Gas-Phase Stability of Cluster Ions SFm+(SF6)n with m = 0-5 and n = 1-3,
J. Am. Soc. Mass Spectrom., 1995, 6, 12, 1137, https://doi.org/10.1016/1044-0305(95)00583-8
. [all data]
Hiraoka, Shimizu, et al., 1995, 2
Hiraoka, K.; Shimizu, A.; Minamitsu, A.; Nasu, M.; Fujimaki, S.; Yamabe, S.,
The small binding energies of the negative cluster ions: SF5-(SF6)1, SF6-(SF6)1 and F-(SF6)n (n=1 and 2), in the gas phase,
Chem. Phys. Lett., 1995, 241, 5-6, 623, https://doi.org/10.1016/0009-2614(95)00676-U
. [all data]
Knighton, Zook, et al., 1990
Knighton, W.B.; Zook, D.R.; Grimsrud, E.P.,
Cluster-Assisted Decomposition Reactions of the Molecular Anions of SF6 and C7F14,
J. Am. Soc. Mass Spectrom., 1990, 1, 5, 372, https://doi.org/10.1016/1044-0305(90)85017-G
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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