Sulfur hexafluoride anion


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
Δfgas-1320. ± 9.6kJ/molR-EAGrimsrud, Chowdhury, et al., 1985ΔGea(423 K) = -29.8 kcal/mol; ΔSea = +13 eu. See also Chowdhury, Heinis, et al., 1986, Bopp, Roscioli, et al., 2007
Δfgas<-1309.6kJ/molCIDTRefaey and Franklin, 1978 

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

F6S- + Sulfur hexafluoride = (F6S- • Sulfur hexafluoride)

By formula: F6S- + F6S = (F6S- • F6S)

Quantity Value Units Method Reference Comment
Δr9.6 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff=+0.37 at 141K
Quantity Value Units Method Reference Comment
Δr-13.0 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff=+0.37 at 141K

F6S- + Benzene, 1-fluoro-3-nitro- = (F6S- • Benzene, 1-fluoro-3-nitro-)

By formula: F6S- + C6H4FNO2 = (F6S- • C6H4FNO2)

Quantity Value Units Method Reference Comment
Δr65.7 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr33. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

F6S- + Benzene, 1-nitro-3-(trifluoromethyl)- = (F6S- • Benzene, 1-nitro-3-(trifluoromethyl)-)

By formula: F6S- + C7H4F3NO2 = (F6S- • C7H4F3NO2)

Quantity Value Units Method Reference Comment
Δr71.1 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr38. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

F6S- + Benzene, nitro- = (F6S- • Benzene, nitro-)

By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)

Quantity Value Units Method Reference Comment
Δr62.3 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr28. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

F6S- + Benzene, 1-fluoro-3-nitro- = (F6S- • Benzene, 1-fluoro-3-nitro-)

By formula: F6S- + C6H4FNO2 = (F6S- • C6H4FNO2)

Quantity Value Units Method Reference Comment
Δr65.7 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr33. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

F6S- + Benzene, nitro- = (F6S- • Benzene, nitro-)

By formula: F6S- + C6H5NO2 = (F6S- • C6H5NO2)

Quantity Value Units Method Reference Comment
Δr62.3 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr28. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

F6S- + Benzene, 1-nitro-3-(trifluoromethyl)- = (F6S- • Benzene, 1-nitro-3-(trifluoromethyl)-)

By formula: F6S- + C7H4F3NO2 = (F6S- • C7H4F3NO2)

Quantity Value Units Method Reference Comment
Δr71.1 ± 4.2kJ/molTDAsChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr38. ± 6.7kJ/molTDAsChowdhury and Kebarle, 1986gas phase

F6S- + Sulfur hexafluoride = (F6S- • Sulfur hexafluoride)

By formula: F6S- + F6S = (F6S- • F6S)

Quantity Value Units Method Reference Comment
Δr9.6 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff=+0.37 at 141K
Quantity Value Units Method Reference Comment
Δr-13.0 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff=+0.37 at 141K

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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.

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]

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

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