Sulfur hexafluoride

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C6H4N2O4- + Sulfur hexafluoride = (C6H4N2O4- • Sulfur hexafluoride)

By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)

Quantity Value Units Method Reference Comment
Δr<35.6kJ/molIMRBChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr<7.95kJ/molIMRBChowdhury and Kebarle, 1986gas phase

C6H4N2O4- + Sulfur hexafluoride = (C6H4N2O4- • Sulfur hexafluoride)

By formula: C6H4N2O4- + F6S = (C6H4N2O4- • F6S)

Quantity Value Units Method Reference Comment
Δr<35.1kJ/molIMRBChowdhury and Kebarle, 1986gas phase
Quantity Value Units Method Reference Comment
Δr<7.11kJ/molIMRBChowdhury and Kebarle, 1986gas phase

Chlorine anion + Sulfur hexafluoride = (Chlorine anion • Sulfur hexafluoride)

By formula: Cl- + F6S = (Cl- • F6S)

Quantity Value Units Method Reference Comment
Δr<7.53kJ/molIMRBChowdhury and Kebarle, 1986gas phase

Fluorine anion + Sulfur hexafluoride = (Fluorine anion • Sulfur hexafluoride)

By formula: F- + F6S = (F- • F6S)

Quantity Value Units Method Reference Comment
Δr22.6 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase
Quantity Value Units Method Reference Comment
Δr-3. ± 13.kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase

(Fluorine anion • Sulfur hexafluoride) + Sulfur hexafluoride = (Fluorine anion • 2Sulfur hexafluoride)

By formula: (F- • F6S) + F6S = (F- • 2F6S)

Quantity Value Units Method Reference Comment
Δr16.7 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K
Quantity Value Units Method Reference Comment
Δr-5.9 ± 1.3kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; Entropy estimated. Gaff = +1.4 at 141 K

F5S- + Sulfur hexafluoride = (F5S- • Sulfur hexafluoride)

By formula: F5S- + F6S = (F5S- • F6S)

Quantity Value Units Method Reference Comment
Δr<9.62kJ/molTDAsHiraoka, Shimizu, et al., 1995gas phase; No formation at 141 K

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, Ion clustering 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]

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]


Notes

Go To: Top, Ion clustering data, References