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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 bullet 4294967295sulphur trioxide) + sulphur trioxide = FO3S

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

Quantity Value Units Method Reference Comment
Deltar81.6 ± 3.3kcal/molTherViggiano, Henchman, et al., 1992gas phase
Deltar<116.6 ± 4.5kcal/molCIDTHao, Gilbert, et al., 2006gas phase
Deltar78. ± 10.kcal/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
Deltar71. ± 10.kcal/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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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   «lambda»min 
 (nm) 
 «lambda»max 
 (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

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