Sulfur trifluoride


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

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Individual Reactions

(F4S- • 4294967295Sulfur trifluoride) + Sulfur trifluoride = F4S-

By formula: (F4S- • 4294967295F3S) + F3S = F4S-

Quantity Value Units Method Reference Comment
Δr177. ± 13.kJ/molTherMiller, Miller, et al., 1995gas phase
Δr182. ± 32.kJ/molTherViggiano, MIller, et al., 1991gas phase; Between mCF3-nitrobenzene, C6F5NO2
Δr264. ± 39.kJ/molTherBabcock and Streit, 1981gas phase; EA: between NO2-, HS-

Gas phase ion energetics 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:
LL - Sharon G. Lias and Joel F. Liebman
B - John E. Bartmess

View reactions leading to F3S+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
3.07 ± 0.20NBAECompton, Reinhardt, et al., 1978From SF6; B
2.90 ± 0.10EIAEHarland and Thynne, 1971From SF4; B
2.50 ± 0.50IMRBMiller, Miller, et al., 1995S- + SF4 -> SF3- + SF observed. SF3- + SF4 -> SF5- + SF2 observed; B
2.73 ± 0.65N/AChase Jr., Curnutt, et al., 1982Reanalysis: Harland and Thynne, 1971; B
2.71SIPage and Goode, 1969The Magnetron method, lacking mass analysis, is not considered reliable.; B

Ionization energy determinations

IE (eV) Method Reference Comment
8.18 ± 0.07ENDFischer, Kickel, et al., 1992LL
7.3EILangford, Almeida, et al., 1990LL

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

Eq. SF2 s-str. 843.8 Ar IR Hassanzadeh and Andrews, 1992
Ax. SF2 a-str. 681.8 Ar IR Smardzewski and Fox, 1976
Smardzewski and Fox, 1977
Hassanzadeh and Andrews, 1992

Additional references: Jacox, 1994, page 226; Colussi, Morton, et al., 1974; Morton, Preston, et al., 1978


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]

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]

Compton, Reinhardt, et al., 1978
Compton, R.N.; Reinhardt, P.W.; Cooper, C.D., Collisional ionization between fast alkali atoms and selected hexafluoride molecules, J. Chem. Phys., 1978, 68, 2023. [all data]

Harland and Thynne, 1971
Harland, P.W.; Thynne, J.C.J., Autodetachment lifetimes, attachment cross sections, and negative ions formed by sulfur hexafluoride and sulfur tetrafluoride, J. Phys. Chem., 1971, 75, 3517. [all data]

Chase Jr., Curnutt, et al., 1982
Chase Jr.; Curnutt, J.L.; Downy Jr.; McDonald, R.A.; Syverrud, A.N.; Valenzuela, E.A., JANAF Thermochemical Tables 1982 Supplement, J. Phys. Chem. Ref. Data, 1982, 11, 3, 695, https://doi.org/10.1063/1.555666 . [all data]

Page and Goode, 1969
Page, F.M.; Goode, G.C., Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]

Fischer, Kickel, et al., 1992
Fischer, E.R.; Kickel, B.L.; Armentrout, P.B., Collision-induced dissociation and charge transfer reactions of SFx+ (x = 1-5_): Thermochemistry of sulfur fluoride ions and neutrals, J. Chem. Phys., 1992, 97, 4859. [all data]

Langford, Almeida, et al., 1990
Langford, M.L.; Almeida, D.P.; Harris, F.M., Measurements of single ionization energies or electron affinities of SFn molecules (n = 1-5) using double-charge-transfer spectroscopy, Int. J. Mass Spectrom. Ion Processes, 1990, 98, 147. [all data]

Hassanzadeh and Andrews, 1992
Hassanzadeh, P.; Andrews, L., Matrix reactions of sulfur atoms and fluorine. Infrared spectra of sulfur monofluoride, sulfur difluoride and sulfur trifluoride in solid argon, J. Phys. Chem., 1992, 96, 1, 79, https://doi.org/10.1021/j100180a018 . [all data]

Smardzewski and Fox, 1976
Smardzewski, R.R.; Fox, W.B., Photolysis of sulfur tetrafluoride in an argon matrix: infrared evidence for formation of the SF3· radical and SF2., J. Fluorine Chem., 1976, 7, 1-3, 353, https://doi.org/10.1016/S0022-1139(00)84007-5 . [all data]

Smardzewski and Fox, 1977
Smardzewski, R.R.; Fox, W.B., Vacuum ultraviolet photolysis of sulfur hexafluoride and its derivatives in argon matrices. The infrared spectrum of the SF5 radical, J. Chem. Phys., 1977, 67, 5, 2309, https://doi.org/10.1063/1.435066 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Colussi, Morton, et al., 1974
Colussi, A.J.; Morton, J.R.; Preston, K.F.; Fessenden, R.W., ESR spectra of PF2 and SF3 radicals, J. Chem. Phys., 1974, 61, 3, 1247, https://doi.org/10.1063/1.1682004 . [all data]

Morton, Preston, et al., 1978
Morton, J.R.; Preston, K.F.; Strach, S.J., The EPR spectrum of SF3 trapped in SF3BF4 crystals, J. Chem. Phys., 1978, 69, 4, 1392, https://doi.org/10.1063/1.436766 . [all data]


Notes

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