Sulfur fluoride anion
- Formula: F4S-
- Molecular weight: 108.059
- CAS Registry Number: 31084-08-9
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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 as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -216.2 ± 6.6 | kcal/mol | R-EA | Miller, Miller, et al., 1995 | B |
| ΔfH°gas | -213.9 ± 2.3 | kcal/mol | EIAE | Thynne, 1972 | From SF6; B |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 74.775 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1976 |
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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
(F4S- • 4294967295) +
= F4S-
By formula: (F4S- • 4294967295F3S) + F3S = F4S-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 42.4 ± 3.2 | kcal/mol | Ther | Miller, Miller, et al., 1995 | gas phase |
| ΔrH° | 43.5 ± 7.6 | kcal/mol | Ther | Viggiano, MIller, et al., 1991 | gas phase; Between mCF3-nitrobenzene, C6F5NO2 |
| ΔrH° | 63.2 ± 9.3 | kcal/mol | Ther | Babcock and Streit, 1981 | gas phase; EA: between NO2-, HS- |
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.
Miller, Miller, et al., 1995
Miller, A.E.S.; Miller, T.M.; Viggiano, A.A.; Morris, R.A.; Vandoren, J.M.; Arnold, S.T.; Paulson, J.,
Negative ion chemistry of SF4,
J. Chem. Phys., 1995, 102, 22, 8865, https://doi.org/10.1063/1.468940
. [all data]
Thynne, 1972
Thynne, J.C.J.,
Negative Ion Studies with a Time-of-Flight Mass Spectrometer.,
Dyn. Mass Spectrom., 1972, 3, 67. [all data]
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Viggiano, MIller, et al., 1991
Viggiano, A.A.; MIller, T.M.; Miller, A.E.S.; Morris, R.A.; Van Doren, J.M.; Paulson, J.F.,
SF4: Electron Affinity Determination by Charge Transfer Reactions,
Int. J. Mass Spectrom. Ion Proc., 1991, 109, 327, https://doi.org/10.1016/0168-1176(91)85112-Y
. [all data]
Babcock and Streit, 1981
Babcock, L.M.; Streit, G.E.,
Negative ion-molecule reactions of SF4,
J. Chem. Phys., 1981, 75, 3864. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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