Sulfur dioxide anion
- Formula: O2S-
- Molecular weight: 64.064
- CAS Registry Number: 12143-17-8
- Information on this page:
- Other data available:
- Options:
Ion clustering data
Go To: Top, 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
(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- • 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 |
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 |
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) + 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- • 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 |
(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 • ) + = (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- • 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 |
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 |
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- • 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- • 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- • 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 |
(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- • 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 |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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]
Notes
Go To: Top, Ion clustering data, References
- Symbols used in this document:
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.