Sulfur dioxide anion
- Formula: O2S-
- Molecular weight: 64.064
- CAS Registry Number: 12143-17-8
- Information on this page:
- Other data available:
- Options:
Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -96.47 ± 0.19 | kcal/mol | R-EA | Nimlos and Ellison, 1986 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Vibrational and/or electronic energy levels, References, Notes
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
By formula: O2S- + O2S = (O2S- • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24.00 ± 0.20 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B,M |
ΔrH° | 21.3 ± 1.3 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
ΔrH° | 18.50 | kcal/mol | N/A | Dresch, Kramer, et al., 1991 | gas phase; Both dissociation and electron detachment?; B |
ΔrH° | 18.30 | kcal/mol | N/A | Snodgrass, Coe, et al., 1988 | gas phase; Appears to be dissociation + electron detachment; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.8 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 13.90 ± 0.40 | kcal/mol | TDAs | Keesee, Lee, et al., 1980 | gas phase; B |
ΔrG° | 10.4 ± 2.2 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • O2S) + O2S = (O2S- • 2O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.10 ± 0.30 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
ΔrH° | 8.3 | kcal/mol | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 16.0 | cal/mol*K | HPMS | Keesee, Lee, et al., 1980 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.90 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
(O2S- • 2 • 3
) +
= (O2S- • 3
• 3
)
By formula: (O2S- • 2H2O • 3O2S) + H2O = (O2S- • 3H2O • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.60 ± 0.30 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.00 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • 2 • 4
) +
= (O2S- • 3
• 4
)
By formula: (O2S- • 2H2O • 4O2S) + H2O = (O2S- • 3H2O • 4O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.10 ± 0.70 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.60 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • 5 • 2
) +
= (O2S- • 6
• 2
)
By formula: (O2S- • 5O2S • 2H2O) + O2S = (O2S- • 6O2S • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.80 ± 0.90 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.10 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • 6 • 2
) +
= (O2S- • 7
• 2
)
By formula: (O2S- • 6O2S • 2H2O) + O2S = (O2S- • 7O2S • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.70 ± 0.70 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.60 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • • 3
) +
= (O2S- • 2
• 3
)
By formula: (O2S- • H2O • 3O2S) + H2O = (O2S- • 2H2O • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.10 ± 0.40 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.80 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • • 4
) +
= (O2S- • 2
• 4
)
By formula: (O2S- • H2O • 4O2S) + H2O = (O2S- • 2H2O • 4O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.10 ± 0.70 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.00 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • 6 •
) +
= (O2S- • 7
•
)
By formula: (O2S- • 6O2S • H2O) + O2S = (O2S- • 7O2S • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.20 ± 0.60 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.70 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
(O2S- • 2 •
) +
= (O2S- • 3
•
)
By formula: (O2S- • 2O2S • O2) + O2S = (O2S- • 3O2S • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.60 ± 0.40 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.5 ± 3.0 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • O2S • O2) + O2S = (O2S- • 2O2S • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.60 ± 0.40 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.5 ± 2.0 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 2O2S) + H2O = (O2S- • H2O • 2O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.40 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.60 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • 3O2S) + H2O = (O2S- • H2O • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.60 ± 0.30 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.40 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • 4O2S) + H2O = (O2S- • H2O • 4O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.50 ± 0.40 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.30 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • 5O2S) + H2O = (O2S- • H2O • 5O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.50 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.10 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • O2S) + H2O = (O2S- • H2O • O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.90 ± 0.80 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.30 ± 0.20 | kcal/mol | TDAs | Vacher, Leduc, et al., 1994 | gas phase; B |
By formula: (O2S- • O2) + O2S = (O2S- • O2S • O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.0 ± 1.0 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.2 ± 2.2 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 2O2S) + O2S = (O2S- • 3O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.40 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.00 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 3O2S) + O2S = (O2S- • 4O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.40 ± 0.30 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.20 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 4O2S) + O2S = (O2S- • 5O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.20 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1.20 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 5O2S) + O2S = (O2S- • 6O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.60 ± 0.30 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.90 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 6O2S) + O2S = (O2S- • 7O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.40 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.50 ± 0.20 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 9O2S) + O2S = (O2S- • 10O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.00 ± 0.60 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.1 ± 2.3 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 7O2S) + O2S = (O2S- • 8O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.40 ± 0.30 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.3 ± 1.2 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 8O2S) + O2S = (O2S- • 9O2S)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.00 ± 0.40 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 0.3 ± 1.5 | kcal/mol | TDAs | Vacher, Jorda, et al., 1992 | gas phase; B |
By formula: (O2S- • 4294967295OS) + OS = O2S-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 123.5 ± 1.2 | kcal/mol | N/A | Nimlos and Ellison, 1986 | gas phase; B |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase thermochemistry data, 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: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 8930 ± 65 | Celotta, Bennett, et al., 1974 | ||||||
Nimlos and Ellison, 1986 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | Sym. stretch | 944 ± 48 | gas | PE | Nimlos and Ellison, 1986 | |
1 | Sym. stretch | 990.8 | Ne | IR | Forney, Kellogg, et al., 2000 | ||
1 | Sym. stretch | 985 | m Cs | Ar | IR Ra | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
1 | Sym. stretch | 990 | Na | Ar | IR | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
2 | Bend | 435 ± 100 | gas | PE | Nimlos and Ellison, 1986 | ||
2 | Bend | 495 | w m Cs | Ar | IR | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
2 | Bend | 495 | Na | Ar | IR | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
b2 | 3 | Asym. stretch | 1086.2 | Ne | IR | Forney, Kellogg, et al., 2000 | |
3 | Asym. stretch | 1089.7 | Ar | IR | Bencivenni, Ramondo, et al., 1986 | ||
3 | Asym. stretch | 1081.8 | Ar | IR | Bencivenni, Ramondo, et al., 1986 | ||
3 | Asym. stretch | 1042 | s Cs | Ar | IR | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
3 | Asym. stretch | 1041 | Na | Ar | IR | Milligan and Jacox, 1971 Bencivenni, Ramondo, et al., 1986 | |
Additional references: Jacox, 1994, page 110; Jacox, 2003, page 148
Notes
w | Weak |
m | Medium |
s | Strong |
d | Photodissociation threshold |
Na | Interaction with sodium. |
Cs | Interaction 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.
Nimlos and Ellison, 1986
Nimlos, M.R.; Ellison, G.B.,
Photoelectron spectroscopy of SO2-, S3-, and S2O-,
J. Phys. Chem., 1986, 90, 2574. [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, Leduc, et al., 1994
Vacher, J.R.; Leduc, E.; Fitaire, M.,
Stabilities of Anionic Mixed Clusters of Sulfur Dioxide and Water,
Int. J. Mass Spectrom. Ion Proc., 1994, 135, 2-3, 139, https://doi.org/10.1016/0168-1176(94)03985-2
. [all data]
Dresch, Kramer, et al., 1991
Dresch, T.; Kramer, H.; Thurner, Y.; Weber, R.,
Photoelectrons from Negative Dimers and Clusters of Sulfur Dioxide,
Chem. Phys. Lett., 1991, 177, 4-5, 383, https://doi.org/10.1016/0009-2614(91)85070-D
. [all data]
Snodgrass, Coe, et al., 1988
Snodgrass, J.T.; Coe, J.V.; Friedhoff, C.B.; McHugh, K.M.; Bowen, K.H.,
On the Photodissociation of (SO2)2-,
J. Chem. Phys., 1988, 88, 12, 8014, https://doi.org/10.1063/1.454261
. [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]
Celotta, Bennett, et al., 1974
Celotta, R.S.; Bennett, R.A.; Hall, J.L.,
Laser Photodetachment Determination of the Electron Affinities of OH, NH2, NH, SO2, and S2,
J. Chem. Phys., 1974, 60, 5, 1740, https://doi.org/10.1063/1.1681268
. [all data]
Forney, Kellogg, et al., 2000
Forney, D.; Kellogg, C.B.; Thompson, W.E.; Jacox, M.E.,
The vibrational spectra of molecular ions isolated in solid neon. XVI. SO[sub 2][sup +], SO[sub 2][sup -], and (SO[sub 2])[sub 2][sup -],
J. Chem. Phys., 2000, 113, 1, 86, https://doi.org/10.1063/1.481777
. [all data]
Milligan and Jacox, 1971
Milligan, D.E.; Jacox, M.E.,
Infrared Spectrum and Structure of the SO2- Radical Ion,
J. Chem. Phys., 1971, 55, 3, 1003, https://doi.org/10.1063/1.1676176
. [all data]
Bencivenni, Ramondo, et al., 1986
Bencivenni, L.; Ramondo, F.; Teghil, R.; Polino, M.,
Infrared and raman study of matrix isolated M(SO2) molecules. The structure of the molecular ion SO2-,
Inorg. Chim. Acta, 1986, 121, 2, 207, https://doi.org/10.1016/S0020-1693(00)84521-1
. [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]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.