Sulfur hexafluoride
- Formula: F6S
- Molecular weight: 146.055
- IUPAC Standard InChIKey: SFZCNBIFKDRMGX-UHFFFAOYSA-N
- CAS Registry Number: 2551-62-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Sulfur fluoride; OC-6-11; Elegas; SF6; Hexafluorure de soufre; UN 1080; Esaflon; sulphur hexafluoride
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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 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
By formula: (F- • F6S) + F6S = (F- • 2F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.00 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff = +1.4 at 141 K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -1.40 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff = +1.4 at 141 K |
By formula: F6S- + F6S = (F6S- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.30 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff=+0.37 at 141K |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -3.10 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; Entropy estimated. Gaff=+0.37 at 141K |
By formula: F- + F6S = (F- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.40 ± 0.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | -0.6 ± 3.0 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase |
By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <8.50 | kcal/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | <1.90 | kcal/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase |
By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <8.40 | kcal/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | <1.70 | kcal/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase |
By formula: F5S- + F6S = (F5S- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | <2.30 | kcal/mol | TDAs | Hiraoka, Shimizu, et al., 1995 | gas phase; No formation at 141 K |
By formula: Cl- + F6S = (Cl- • F6S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | <1.80 | kcal/mol | IMRB | Chowdhury and Kebarle, 1986 | gas phase |
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.
Hiraoka, Shimizu, et al., 1995
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]
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]
Notes
Go To: Top, Reaction thermochemistry data, References
- 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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