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Sulfur trioxide 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
Deltafgas-138.4 ± 2.3kcal/molR-EAGleason, 1987See also Dobrin, Boo, et al., 2000
Deltafgas-142.2 ± 1.8kcal/molTDEqRudny, Sidorov, et al., 1985EA is calculated at 298 K.; value altered from reference due to conversion from electron convention to ion convention

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

O3S- + Carbon dioxide = (O3S- bullet Carbon dioxide)

By formula: O3S- + CO2 = (O3S- bullet CO2)

Quantity Value Units Method Reference Comment
Deltar6.50 ± 0.20kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar20.7cal/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar0.30 ± 0.20kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B

(O3S- bullet Sulfur dioxide bullet Oxygen) + Sulfur dioxide = (O3S- bullet 2Sulfur dioxide bullet Oxygen)

By formula: (O3S- bullet O2S bullet O2) + O2S = (O3S- bullet 2O2S bullet O2)

Quantity Value Units Method Reference Comment
Deltar5.70 ± 0.60kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.6 ± 2.1kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O3S- bullet Oxygen) + Sulfur dioxide = (O3S- bullet Sulfur dioxide bullet Oxygen)

By formula: (O3S- bullet O2) + O2S = (O3S- bullet O2S bullet O2)

Quantity Value Units Method Reference Comment
Deltar6.50 ± 0.80kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar4.4 ± 2.2kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

O3S- + Sulfur dioxide = (O3S- bullet Sulfur dioxide)

By formula: O3S- + O2S = (O3S- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar13.30 ± 0.10kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B
Quantity Value Units Method Reference Comment
Deltar7.60 ± 0.20kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B

O3S- + Water = (O3S- bullet Water)

By formula: O3S- + H2O = (O3S- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar5.60 ± 0.20kcal/molIMREMöhler, Reiner, et al., 1992gas phase; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
5.9296.FAFehsenfeld and Ferguson, 1974gas phase; M

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

S=O stretch 1191 Cs Ar IR Stanbury, Holme, et al., 1986
S-O stretch 1093 Cs Ar IR Stanbury, Holme, et al., 1986
S-O stretch 1091 Cs Ar IR Stanbury, Holme, et al., 1986
S-O stretch 965 Cs Ar IR Stanbury, Holme, et al., 1986
585 Cs Ar IR Stanbury, Holme, et al., 1986
504 Cs Ar IR Stanbury, Holme, et al., 1986
474 T Cs Ar IR Stanbury, Holme, et al., 1986

Additional references: Jacox, 1994, page 223

Notes

TTentative assignment or approximate value
CsInteraction with cesium

References

Go To: Top, Gas phase thermochemistry data, 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.

Gleason, 1987
Gleason, J.F., as cited in 95MIL/VIG, Ph.D. dissertation, Univ. of Colorado,, 1987. [all data]

Dobrin, Boo, et al., 2000
Dobrin, S.; Boo, B.H.; Alconcel, L.S.; Continetti, R.E., Photoelectron spectroscopy of SO3- at 355 and 266 nm, J. Phys. Chem. A, 2000, 104, 46, 10695-10700, https://doi.org/10.1021/jp0025680 . [all data]

Rudny, Sidorov, et al., 1985
Rudny, E.B.; Sidorov, L.N.; Voyk, O.M., Heterolytic Dissociation of Potassium Sulfate in the Gas Phase and Heats of Formation for Trioxosulfate(1-), Tetraoxosulfate(1-), and Potassium Sulfate(KSO4-) Ions, High Temp., 1985, 23, 238. [all data]

Keesee, Lee, et al., 1980
Keesee, R.G.; Lee, N.; Castleman, A.W., Jr., Properties of clusters in the gas phase: V. Complexes of neutral molecules onto negative ions, J. Chem. Phys., 1980, 73, 2195. [all data]

Vacher, Jorda, et al., 1992
Vacher, J.R.; Jorda, M.; Leduc, E.; Fitaire, M., A Determination of the Stabilities of Negative Ion Clusters in SO2 and SO2-O2 Mixtures, Int. J. Mass Spectrom. Ion Proc., 1992, 114, 3, 149, https://doi.org/10.1016/0168-1176(92)80033-W . [all data]

Möhler, Reiner, et al., 1992
Möhler, O.; Reiner, T.; Arnold, F., The Formation of SO5(-) by Gas Phase Ion-Molecule Reactions, J. Chem. Phys., 1992, 97, 11, 8233, https://doi.org/10.1063/1.463394 . [all data]

Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E., Laboratory studies of negative ion reactions with atmospheric trace constituents, J. Chem. Phys., 1974, 61, 3181. [all data]

Stanbury, Holme, et al., 1986
Stanbury, D.M.; Holme, T.A.; Kafafi, Z.H.; Margrave, J.L., AB initio calculations and matrix ftir studies of the sulfur trioxide radical anion, Chem. Phys. Lett., 1986, 129, 2, 181, https://doi.org/10.1016/0009-2614(86)80193-2 . [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]


Notes

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