Sulfur dioxide anion
- Formula: O2S-
- Molecular weight: 64.064
- CAS Registry Number: 12143-17-8
- Information on this page:
- Other data available:
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Ion clustering 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: 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, Ion clustering 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 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
O2S- + = (O2S- •
)
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 |
(O2S- • ) +
= (O2S- • 2
)
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 |
(O2S- • •
) +
= (O2S- • 2
•
)
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- •
• 2
)
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 |
(O2S- • 3) +
= (O2S- •
• 3
)
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 |
(O2S- • 4) +
= (O2S- •
• 4
)
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 |
(O2S- • 5) +
= (O2S- •
• 5
)
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- • ) +
= (O2S- •
•
)
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 |
(O2S- • ) +
= (O2S- •
•
)
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 |
(O2S- • 2) +
= (O2S- • 3
)
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 |
(O2S- • 3) +
= (O2S- • 4
)
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 |
(O2S- • 4) +
= (O2S- • 5
)
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 |
(O2S- • 5) +
= (O2S- • 6
)
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 |
(O2S- • 6) +
= (O2S- • 7
)
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 |
(O2S- • 9) +
= (O2S- • 10
)
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 |
(O2S- • 7) +
= (O2S- • 8
)
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 |
(O2S- • 8) +
= (O2S- • 9
)
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 |
(O2S- • 4294967295) +
= O2S-
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 |
Ion clustering data
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 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 |
(O2S- • 4294967295) +
= O2S-
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 |
O2S- + = (O2S- •
)
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 |
(O2S- • ) +
= (O2S- •
•
)
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 |
(O2S- • 2) +
= (O2S- •
• 2
)
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 |
(O2S- • 3) +
= (O2S- •
• 3
)
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 |
(O2S- • 4) +
= (O2S- •
• 4
)
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 |
(O2S- • 5) +
= (O2S- •
• 5
)
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 |
(O2S- • ) +
= (O2S- • 2
)
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) +
= (O2S- • 3
)
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 |
(O2S- • 3) +
= (O2S- • 4
)
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 |
(O2S- • 4) +
= (O2S- • 5
)
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 |
(O2S- • 5) +
= (O2S- • 6
)
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 |
(O2S- • 6) +
= (O2S- • 7
)
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 |
(O2S- • 7) +
= (O2S- • 8
)
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 |
(O2S- • 8) +
= (O2S- • 9
)
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 |
(O2S- • 9) +
= (O2S- • 10
)
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 |
(O2S- • •
) +
= (O2S- • 2
•
)
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 |
(O2S- • ) +
= (O2S- •
•
)
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, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, 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]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, 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
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