Oxygen cation
- Formula: O2+
- Molecular weight: 31.9983
- IUPAC Standard InChI: InChI=1S/O2/c1-2/q+1
- IUPAC Standard InChIKey: KMHJKRGRIJONSV-UHFFFAOYSA-N
- CAS Registry Number: 12185-07-8
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, 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: 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: O2+ + CO2 = (O2+ • CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.8 ± 0.9 | kcal/mol | AVG | N/A | Average of 4 out of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 17.5 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrS° | 18.9 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=9.80 kcal/mol |
| ΔrS° | 20.7 | cal/mol*K | N/A | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| ΔrS° | 20. | cal/mol*K | N/A | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 4.4 | kcal/mol | DT | Rakshit and Warneck, 1981 | gas phase |
| ΔrG° | 4.3 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.4 | 600. | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
+
= (
•
)
By formula: O2+ + O2 = (O2+ • O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10. ± 1. | kcal/mol | AVG | N/A | Average of 5 out of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.8 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 25.02 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
| ΔrS° | 20. | cal/mol*K | PHPMS | Durden, Kebarle, et al., 1969 | gas phase |
| ΔrS° | 20.6 | cal/mol*K | PHPMS | Yang and Conway, 1964 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 3.8 | 300. | DT | Rakshit and Warneck, 1981 | gas phase |
| 3.3 | 300. | DT | Rakshit and Warneck, 1980 | gas phase |
| 3.4 | 296. | FA | Howard, Bierbaum, et al., 1972 | gas phase |
| 5.9 | 200. | FA | Adams and Bohme, 1970 | gas phase |
+
= (
•
)
By formula: O2+ + N2 = (O2+ • N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 5.2 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase |
| ΔrH° | 5.7 | kcal/mol | PHPMS | Janik and Conway, 1967 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 17.4 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 15.8 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase |
| ΔrS° | 18.9 | cal/mol*K | PHPMS | Janik and Conway, 1967 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.0 | 296. | FA | Howard, Bierbaum, et al., 1972 | gas phase |
+
= (
•
)
By formula: O2+ + O3 = (O2+ • O3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 14.5 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.5 | cal/mol*K | N/A | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 8.4 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
+
= (
•
)
By formula: O2+ + N2O = (O2+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| ΔrH° | 10.7 ± 0.4 | kcal/mol | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| ΔrS° | 15.3 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.9 | 200. | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)O2 |
( •
) +
= (
• 2
)
By formula: (O2+ • CO2) + CO2 = (O2+ • 2CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.6 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrH° | 7.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrS° | 15. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2N2) + N2 = (O2+ • 3N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 3.5 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 12.1 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( •
) +
= (
• 2
)
By formula: (O2+ • N2) + N2 = (O2+ • 2N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.5 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 4.3 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 13.8 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( •
) +
= (
• 2
)
By formula: (O2+ • O2) + O2 = (O2+ • 2O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 6.87 ± 0.06 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26.3 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 31.78 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3O2) + O2 = (O2+ • 4O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.1 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 2.46 ± 0.18 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.2 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 23.9 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2O2) + O2 = (O2+ • 3O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.5 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 2.5 ± 0.1 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 19.8 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4O2) + O2 = (O2+ • 5O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 1.8 ± 0.7 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.4 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 17.0 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4N2) + N2 = (O2+ • 5N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.7 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 16.2 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.7 | 184. | HPMS | Speller and Fitaire, 1983 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3N2) + N2 = (O2+ • 4N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.7 | 204. | HPMS | Speller and Fitaire, 1983 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5CO2) + CO2 = (O2+ • 6CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Nakajima, et al., 1988 | gas phase; Entropy change calculated or estimated |
( • 7
) +
= (
• 8
)
By formula: (O2+ • 7O2) + O2 = (O2+ • 8O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.82 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | N/A | Hiraoka, 1988 | gas phase; Entropy change calculated or estimated |
( •
) +
= (
•
•
)
By formula: (O2+ • O2) + N2 = (O2+ • N2 • O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.9 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 10.1 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( • 10
) +
= (
• 11
)
By formula: (O2+ • 10N2) + N2 = (O2+ • 11N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.2 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 9
) +
= (
• 10
)
By formula: (O2+ • 9N2) + N2 = (O2+ • 10N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.7 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.8 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5N2) + N2 = (O2+ • 6N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.5 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 16.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6N2) + N2 = (O2+ • 7N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.3 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.5 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 7
) +
= (
• 8
)
By formula: (O2+ • 7N2) + N2 = (O2+ • 8N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.1 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.3 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 8
) +
= (
• 9
)
By formula: (O2+ • 8N2) + N2 = (O2+ • 9N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2N2O) + N2O = (O2+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2CO2) + CO2 = (O2+ • 3CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.8 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3N2O) + N2O = (O2+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.2 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3CO2) + CO2 = (O2+ • 4CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.1 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4N2O) + N2O = (O2+ • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4CO2) + CO2 = (O2+ • 5CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.5 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.0 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5N2O) + N2O = (O2+ • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.3 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6N2O) + N2O = (O2+ • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( •
) +
= (
• 2
)
By formula: (O2+ • N2O) + N2O = (O2+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5O2) + O2 = (O2+ • 6O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6O2) + O2 = (O2+ • 7O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.4 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.9 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
+
= (
•
)
By formula: O2+ + O2S = (O2+ • O2S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 9.6 | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)O2; Conway and Janik, 1970 |
+
= (
•
)
By formula: O2+ + H2O = (O2+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16. | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)SO2, ΔrH> |
( •
•
) +
= (
• 2
•
)
By formula: (O2+ • N2 • O2) + N2 = (O2+ • 2N2 • O2)
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.5 | 230. | HPMS | Speller and Fitaire, 1983 | gas phase |
+
= (
•
)
By formula: O2+ + Kr = (O2+ • Kr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.6 | kcal/mol | PDiss | Jarrold, Misev, et al., 1984 | gas phase |
Ion clustering data
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: 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
+
= (
•
)
By formula: O2+ + CO2 = (O2+ • CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 9.8 ± 0.9 | kcal/mol | AVG | N/A | Average of 4 out of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 17.5 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrS° | 18.9 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=9.80 kcal/mol |
| ΔrS° | 20.7 | cal/mol*K | N/A | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| ΔrS° | 20. | cal/mol*K | N/A | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 4.4 | kcal/mol | DT | Rakshit and Warneck, 1981 | gas phase |
| ΔrG° | 4.3 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.4 | 600. | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change calculated or estimated, DG>, ΔrH> |
( •
) +
= (
• 2
)
By formula: (O2+ • CO2) + CO2 = (O2+ • 2CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.6 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrH° | 7.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| ΔrS° | 15. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1977 | gas phase; Entropy change is questionable |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2CO2) + CO2 = (O2+ • 3CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.8 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3CO2) + CO2 = (O2+ • 4CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.1 ± 0.3 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4CO2) + CO2 = (O2+ • 5CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.5 ± 0.5 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.0 | cal/mol*K | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5CO2) + CO2 = (O2+ • 6CO2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.0 | kcal/mol | PHPMS | Hiraoka, Nakajima, et al., 1988 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | N/A | Hiraoka, Nakajima, et al., 1988 | gas phase; Entropy change calculated or estimated |
+
= (
•
)
By formula: O2+ + H2O = (O2+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16. | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)SO2, ΔrH> |
+
= (
•
)
By formula: O2+ + Kr = (O2+ • Kr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.6 | kcal/mol | PDiss | Jarrold, Misev, et al., 1984 | gas phase |
+
= (
•
)
By formula: O2+ + N2O = (O2+ • N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.4 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| ΔrH° | 10.7 ± 0.4 | kcal/mol | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| ΔrS° | 15.3 | cal/mol*K | DT | Illies, 1988 | gas phase; ΔrH(0 K)=10.8 kcal/mol |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.9 | 200. | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)O2 |
( •
) +
= (
• 2
)
By formula: (O2+ • N2O) + N2O = (O2+ • 2N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.5 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2N2O) + N2O = (O2+ • 3N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3N2O) + N2O = (O2+ • 4N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.2 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4N2O) + N2O = (O2+ • 5N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.8 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 23. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5N2O) + N2O = (O2+ • 6N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.3 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6N2O) + N2O = (O2+ • 7N2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.9 | kcal/mol | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Fujimaki, et al., 1994 | gas phase |
+
= (
•
)
By formula: O2+ + N2 = (O2+ • N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 5.2 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase |
| ΔrH° | 5.7 | kcal/mol | PHPMS | Janik and Conway, 1967 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 17.4 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 15.8 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase |
| ΔrS° | 18.9 | cal/mol*K | PHPMS | Janik and Conway, 1967 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.0 | 296. | FA | Howard, Bierbaum, et al., 1972 | gas phase |
( •
) +
= (
• 2
)
By formula: (O2+ • N2) + N2 = (O2+ • 2N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.5 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 4.3 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 13.8 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2N2) + N2 = (O2+ • 3N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.2 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrH° | 3.5 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.6 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 12.1 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3N2) + N2 = (O2+ • 4N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.0 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.7 | 204. | HPMS | Speller and Fitaire, 1983 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4N2) + N2 = (O2+ • 5N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.7 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 16.2 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.7 | 184. | HPMS | Speller and Fitaire, 1983 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5N2) + N2 = (O2+ • 6N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.5 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 16.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6N2) + N2 = (O2+ • 7N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.3 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.5 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 7
) +
= (
• 8
)
By formula: (O2+ • 7N2) + N2 = (O2+ • 8N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.1 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.3 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 8
) +
= (
• 9
)
By formula: (O2+ • 8N2) + N2 = (O2+ • 9N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 9
) +
= (
• 10
)
By formula: (O2+ • 9N2) + N2 = (O2+ • 10N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.7 ± 0.2 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.8 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( • 10
) +
= (
• 11
)
By formula: (O2+ • 10N2) + N2 = (O2+ • 11N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.4 ± 0.3 | kcal/mol | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.2 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
( •
•
) +
= (
• 2
•
)
By formula: (O2+ • N2 • O2) + N2 = (O2+ • 2N2 • O2)
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 0.5 | 230. | HPMS | Speller and Fitaire, 1983 | gas phase |
+
= (
•
)
By formula: O2+ + O2S = (O2+ • O2S)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 9.6 | kcal/mol | FA | Adams and Bohme, 1970 | gas phase; switching reaction(O2+)O2; Conway and Janik, 1970 |
+
= (
•
)
By formula: O2+ + O2 = (O2+ • O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 10. ± 1. | kcal/mol | AVG | N/A | Average of 5 out of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.8 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 25.02 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
| ΔrS° | 20. | cal/mol*K | PHPMS | Durden, Kebarle, et al., 1969 | gas phase |
| ΔrS° | 20.6 | cal/mol*K | PHPMS | Yang and Conway, 1964 | gas phase |
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 3.8 | 300. | DT | Rakshit and Warneck, 1981 | gas phase |
| 3.3 | 300. | DT | Rakshit and Warneck, 1980 | gas phase |
| 3.4 | 296. | FA | Howard, Bierbaum, et al., 1972 | gas phase |
| 5.9 | 200. | FA | Adams and Bohme, 1970 | gas phase |
( •
) +
= (
•
•
)
By formula: (O2+ • O2) + N2 = (O2+ • N2 • O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.9 | kcal/mol | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 10.1 | cal/mol*K | HPMS | Speller and Fitaire, 1983 | gas phase; Entropy change is questionable |
( •
) +
= (
• 2
)
By formula: (O2+ • O2) + O2 = (O2+ • 2O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 6.87 ± 0.06 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26.3 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 31.78 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (O2+ • 2O2) + O2 = (O2+ • 3O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.5 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 2.5 ± 0.1 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.7 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 19.8 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (O2+ • 3O2) + O2 = (O2+ • 4O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.1 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 2.46 ± 0.18 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.2 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 23.9 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (O2+ • 4O2) + O2 = (O2+ • 5O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.2 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrH° | 1.8 ± 0.7 | kcal/mol | PHPMS | Conway and Janik, 1970 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.4 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
| ΔrS° | 17.0 | cal/mol*K | PHPMS | Conway and Janik, 1970 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (O2+ • 5O2) + O2 = (O2+ • 6O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.3 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.7 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (O2+ • 6O2) + O2 = (O2+ • 7O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.9 ± 0.4 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.9 | cal/mol*K | PHPMS | Hiraoka, 1988 | gas phase |
( • 7
) +
= (
• 8
)
By formula: (O2+ • 7O2) + O2 = (O2+ • 8O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.82 | kcal/mol | PHPMS | Hiraoka, 1988 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | N/A | Hiraoka, 1988 | gas phase; Entropy change calculated or estimated |
+
= (
•
)
By formula: O2+ + O3 = (O2+ • O3)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 14.5 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20.5 | cal/mol*K | N/A | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 8.4 | kcal/mol | FA | Dotan, Davidson, et al., 1978 | gas phase; switching reaction(O2+)O2, Entropy change calculated or estimated; Conway and Janik, 1970 |
References
Go To: Top, 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.
Hiraoka, Nakajima, et al., 1988
Hiraoka, K.; Nakajima, G.; Shoda, S.,
Determination of the Stabilities of CO2+(CO2)n and O2+(CO2)n Clusters with n = 1 - 6,
Chem. Phys. Lett., 1988, 146, 6, 535, https://doi.org/10.1016/0009-2614(88)87495-5
. [all data]
Illies, 1988
Illies, A.J.,
Thermochemistry of the Gas - Phase Ion - Molecule Clustering of CO2+CO2, SO2+CO2, N2O+N2O, O2+CO2, NO+CO2 and NO+N2O: Description of a New Hybrid Drift Tube/Ion Source with Coaxial Electron Beam and Ion Exit Apertures,
J. Phys. Chem., 1988, 92, 10, 2889, https://doi.org/10.1021/j100321a037
. [all data]
Dotan, Davidson, et al., 1978
Dotan, I.; Davidson, J.A.; Fehsenfeld, F.C.; Albritton, D.L.,
Reactions of O2+.O2 with CO2, O3 and CH4 and O2+.O3 with H2O and CH4 and their Role in Stratospheric Ion Chemistry,
J. Geophys. Res., 1978, 83, C8, 4036, https://doi.org/10.1029/JC083iC08p04036
. [all data]
Conway and Janik, 1970
Conway, D.C.; Janik, G.S.,
Determination of the Bond Energies for the Series O2 - O2+ through O2 - O10+,
J. Chem. Phys., 1970, 53, 5, 1859, https://doi.org/10.1063/1.1674262
. [all data]
Meot-Ner (Mautner) and Field, 1977
Meot-Ner (Mautner), M.; Field, F.H.,
Proton Affinity and Ion - Molecule Clustering in CO2 and CS2. Applications in Martian Ionospheric Chemistry,
J. Chem. Phys., 1977, 66, 10, 4527, https://doi.org/10.1063/1.433706
. [all data]
Rakshit and Warneck, 1981
Rakshit, A.B.; Warneck, P.,
Formation and Reactions of O2+.CO2, O2+.H2O and O2+(CO2)2 Ions,
Int. J. Mass Spectrom Ion Phys., 1981, 40, 2, 135, https://doi.org/10.1016/0020-7381(81)80037-X
. [all data]
Hiraoka, 1988
Hiraoka, K.,
A Determination of the Stabilities of O2+(O2)n and O2-(O2)n with n = 1 - 8 from Measurements of the Gas-Phase Ion Equilibria,
J. Chem. Phys., 1988, 89, 5, 3190, https://doi.org/10.1063/1.454976
. [all data]
Durden, Kebarle, et al., 1969
Durden, D.A.; Kebarle, P.; Good, A.,
Thermal Ion-Molecule Reaction Rate Constants at Pressures up to 10 torr with a Pulsed Mass Spectrometer. Reactions in Methane, Krypton, and Oxygen,
J. Chem. Phys., 1969, 50, 2, 805, https://doi.org/10.1063/1.1671133
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Yang and Conway, 1964
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Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, References
- Symbols used in this document:
T Temperature 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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