FSO3


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

(FO3S • 4294967295sulphur trioxide) + sulphur trioxide = FO3S

By formula: (FO3S • 4294967295O3S) + O3S = FO3S

Quantity Value Units Method Reference Comment
Δr341. ± 14.kJ/molTherViggiano, Henchman, et al., 1992gas phase
Δr<488. ± 19.kJ/molCIDTHao, Gilbert, et al., 2006gas phase
Δr330. ± 42.kJ/molIMRBLarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.
Quantity Value Units Method Reference Comment
Δr300. ± 42.kJ/molIMRBLarson and McMahon, 1985gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, 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: Marilyn E. Jacox

State:   C


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 19383.1 gas C-X 360 550 King, Santry, et al., 1969
King and Warren, 1969
King and Warren, 1969, 2
To = 19077 ± 5 Ar C-X 420 525 Suzuki, Nibler, et al., 1975
To = 18986 ± 5 N2 C-X 420 525 Suzuki, Nibler, et al., 1975


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

a1 1 SO stretch 952.9 gas AB King and Warren, 1969
1 SO stretch 947 ± 10 Ar AB Suzuki, Nibler, et al., 1975
1 SO stretch 966 ± 10 N2 AB Suzuki, Nibler, et al., 1975
2 SF stretch 800.5 gas AB King and Warren, 1969
2 SF stretch 796 ± 10 Ar AB Suzuki, Nibler, et al., 1975
2 SF stretch 820 ± 10 N2 AB Suzuki, Nibler, et al., 1975
3 SO deform. 515.0 gas AB King and Warren, 1969
3 SO deform. 512 ± 10 Ar AB Suzuki, Nibler, et al., 1975
3 SO deform. 511 ± 10 N2 AB Suzuki, Nibler, et al., 1975
e 4 SO stretch 1114.5 gas AB King and Warren, 1969
5 SO deform. 505.7 gas AB King and Warren, 1969
6 SF wag 346.9 gas AB King and Warren, 1969

State:   B


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

gas B-X 570 1000 King, Santry, et al., 1969
King and Warren, 1969
King and Warren, 1969, 2

State:   A


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

gas A-X 1000 2000 King, Santry, et al., 1969
King and Warren, 1969
King and Warren, 1969, 2

State:   X


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

a1 1 SO stretch 1055.5 gas AB LF King and Warren, 1969
Warren, 1980
Croce, 1990
1 SO stretch 1056.5 Ne IR Beckers, Willner, et al., 2008
1 SO stretch 1052.7 vs Ar IR Suzuki, Nibler, et al., 1975
Beckers, Willner, et al., 2008
2 SF stretch 839.3 gas AB LF King and Warren, 1969
Warren, 1980
Croce, 1990
2 SF stretch 836.2 Ne IR Beckers, Willner, et al., 2008
2 SF stretch 832.5 s Ar IR Suzuki, Nibler, et al., 1975
Beckers, Willner, et al., 2008
3 SO deform. 533.5 gas AB LF King and Warren, 1969
Warren, 1980
Croce, 1990
3 SO deform. 533.2 Ne IR Beckers, Willner, et al., 2008
3 SO deform. 530.8 w m Ar IR Suzuki, Nibler, et al., 1975
Beckers, Willner, et al., 2008
e 4 SO stretch 933.6 gas AB LF King and Warren, 1969
Warren, 1980
4 SO stretch 933.6 Ne IR Beckers, Willner, et al., 2008
4 SO stretch 931.6 m Ar IR Beckers, Willner, et al., 2008
5 SO deform. 426.2 gas AB LF King and Warren, 1969
Warren, 1980
5 SO deform. 427.8 Ne IR Beckers, Willner, et al., 2008
5 SO deform. 426.2 w Ar IR Beckers, Willner, et al., 2008
6 SF wag 158.9 gas AB LF King and Warren, 1969
Warren, 1980
6 SF wag 161.6 w m Ar IR Beckers, Willner, et al., 2008

Additional references: Jacox, 1994, page 300; Warren, 1980, 2

Notes

wWeak
mMedium
sStrong
vsVery strong
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Viggiano, Henchman, et al., 1992
Viggiano, A.A.; Henchman, M.J.; Dale, F.; Deakyne, C.A.; Paulson, J.F., Gas-Phase Reactions of Weak Bronsted Bases I-, PO3-, HSO4-, FSO3-, and CF3SO3- with Strong Bronsted Acids H2SO4, FSO3H, and CF3SO3H - A Quantitative Study, J. Am. Chem. Soc., 1992, 114, 11, 4299, https://doi.org/10.1021/ja00037a039 . [all data]

Hao, Gilbert, et al., 2006
Hao, C.; Gilbert, T.M.; Sunderlin, L.S., The Bond Dissociation Energies of SO3-X- (X = F, Cl, Br, and I), Can. J. Chem., 2006, 83, 11, 2013-2019, https://doi.org/10.1139/v05-216 . [all data]

Larson and McMahon, 1985
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study, J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034 . [all data]

King, Santry, et al., 1969
King, G.W.; Santry, D.P.; Warren, C.H., The fluorosulfate radical, J. Mol. Spectrosc., 1969, 32, 1, 108, https://doi.org/10.1016/0022-2852(69)90146-5 . [all data]

King and Warren, 1969
King, G.W.; Warren, C.H., The fluorosulfate radical, J. Mol. Spectrosc., 1969, 32, 1, 121, https://doi.org/10.1016/0022-2852(69)90147-7 . [all data]

King and Warren, 1969, 2
King, G.W.; Warren, C.H., The fluorosulfate radical, J. Mol. Spectrosc., 1969, 32, 1, 138, https://doi.org/10.1016/0022-2852(69)90148-9 . [all data]

Suzuki, Nibler, et al., 1975
Suzuki, E.M.; Nibler, J.W.; Oakes, K.A.; Eggers, D., Jr., Matrix isolation study of S2O6F2 pyrolysis products: The infrared spectrum of SO3F radical, J. Mol. Spectrosc., 1975, 58, 2, 201, https://doi.org/10.1016/0022-2852(75)90106-X . [all data]

Warren, 1980
Warren, C.H., Argon-ion laser excitation of the fluorosulfate radical, J. Mol. Spectrosc., 1980, 83, 2, 451, https://doi.org/10.1016/0022-2852(80)90069-7 . [all data]

Croce, 1990
Croce, A.E., J. Photochem. Photobiol., 1990, A:Chem. 51, 293. [all data]

Beckers, Willner, et al., 2008
Beckers, H.; Willner, H.; Grote, D.; Sander, W., EPR and IR spectra of the FSO[sub 3] radical revisited: Strong vibronic interactions in the [sup 2]A[sub 2] electronic ground state, J. Chem. Phys., 2008, 128, 8, 084501, https://doi.org/10.1063/1.2831511 . [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]

Warren, 1980, 2
Warren, C.H., Dye laser excitation of the fluorosulfate radical, J. Mol. Spectrosc., 1980, 84, 1, 102, https://doi.org/10.1016/0022-2852(80)90243-X . [all data]


Notes

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