Carbon monoxide, ion(1+)
- Formula: CO+
- Molecular weight: 28.0096
- CAS Registry Number: 12144-04-6
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Reaction thermochemistry 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 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: CO+ + CO = (CO+ • CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16. | kcal/mol | PIPECO | Norwood, Guo, et al., 1988 | gas phase; CO+ in state B, ΔrH> |
ΔrH° | 22.4 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase |
ΔrH° | 28. ± 7. | kcal/mol | EI | Munson and Franlin, 1962 | gas phase; from IP'switching reaction and heats of formation |
ΔrH° | 25.4 | kcal/mol | PHPMS | Meot-Ner (Mautner) and Field, 1974 | gas phase; ΔrH>, DG> |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20. | cal/mol*K | PHPMS | Meot-Ner (Mautner) and Field, 1974 | gas phase; ΔrH>, DG> |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
4.9 | 340. | HPMS | Chong and Franklin, 1971 | gas phase; equilibrium uncertain |
11.5 | 695. | PHPMS | Meot-Ner (Mautner) and Field, 1974 | gas phase; ΔrH>, DG> |
By formula: (CO+ • 2CO) + CO = (CO+ • 3CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.21 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers, at low and high temperatures |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers, at low and high temperatures |
By formula: (CO+ • 5CO) + CO = (CO+ • 6CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.70 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers, at low and high temperatures |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers, at low and high temperatures |
By formula: (CO+ • 6CO) + CO = (CO+ • 7CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.25 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; break in the van't Hoff plot |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; break in the van't Hoff plot |
By formula: (CO+ • 7CO) + CO = (CO+ • 8CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.58 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; break in the van't Hoff plot |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.4 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; break in the van't Hoff plot |
By formula: (CO+ • CO) + CO = (CO+ • 2CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.5 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
ΔrH° | 3.7 | kcal/mol | PI | Linn, Ono, et al., 1981 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 35.5 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 3CO) + CO = (CO+ • 4CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.40 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.5 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers |
By formula: (CO+ • 4CO) + CO = (CO+ • 5CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.25 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase; two isomers |
By formula: (CO+ • 11CO) + CO = (CO+ • 12CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.13 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 12CO) + CO = (CO+ • 13CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.10 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.7 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 13CO) + CO = (CO+ • 14CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.08 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 28.6 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 14CO) + CO = (CO+ • 15CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.92 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.8 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 15CO) + CO = (CO+ • 16CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.92 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.6 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 16CO) + CO = (CO+ • 17CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.88 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.6 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: (CO+ • 9CO) + CO = (CO+ • 10CO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.85 | kcal/mol | PHPMS | Hiraoka and Mori, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.1 | cal/mol*K | PHPMS | Hiraoka and Mori, 1991 | gas phase |
By formula: CO+ + Ar = (CO+ • Ar)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.1 ± 1.4 | kcal/mol | PIPECO | Norwood, Guo, et al., 1989 | gas phase; CO+(X) ground state |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Norwood, Guo, et al., 1988
Norwood, K.; Guo, J.H.; Luo, G.; Ng, C.Y.,
A Photoion - Photoelectron Coincidence Study of (CO)2,
J. Chem. Phys., 1988, 88, 6, 4098, https://doi.org/10.1063/1.453814
. [all data]
Linn, Ono, et al., 1981
Linn, S.H.; Ono, Y.; Ng, C.Y.,
Molecular Beam Photoionization Study of CO, N2, and NO Dimers and Clusters,
J. Chem. Phys., 1981, 74, 6, 3342, https://doi.org/10.1063/1.441486
. [all data]
Munson and Franlin, 1962
Munson, M.S.B. Field; Franlin, J.L.,
High-Pressure Mass Spectrometric Study of Reactions of Rare Gases with N2 and CO,
J. Chem. Phys., 1962, 37, 8, 1790, https://doi.org/10.1063/1.1733370
. [all data]
Meot-Ner (Mautner) and Field, 1974
Meot-Ner (Mautner), M.; Field, F.H.,
Kinetics and Thermodynamics of the Association of CO+ with CO and of N2+ with N2 between 120 and 650 K,
J. Chem. Phys., 1974, 61, 9, 3742, https://doi.org/10.1063/1.1682560
. [all data]
Chong and Franklin, 1971
Chong, S.L.; Franklin, J.L.,
High-Pressure Ion-Molecule Reactions in Carbon Monoxide and Carbon Monoxide - Methane Mixtures,
J. Chem. Phys., 1971, 54, 4, 1487, https://doi.org/10.1063/1.1675043
. [all data]
Hiraoka and Mori, 1991
Hiraoka, K.; Mori, T.,
On the formation of the Isomeric Cluster Ions (CO)n+,
J. Chem. Phys., 1991, 94, 4, 2697, https://doi.org/10.1063/1.459844
. [all data]
Norwood, Guo, et al., 1989
Norwood, K.; Guo, J.H.; Luo, G.; Ng, C.Y.,
A Study of Intramolecular Charge Transfer in Mixed Ar/Co Dimer and Trimer Ions Using the Photoion - Photoelectron Coincidence Method,
Chem. Phys., 1989, 129, 1, 109, https://doi.org/10.1016/0301-0104(89)80023-0
. [all data]
Notes
Go To: Top, Reaction thermochemistry 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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