Carbon monoxide

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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.

Quantity Value Units Method Reference Comment
Δfgas-110.53 ± 0.17kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Δfgas-110.53kJ/molReviewChase, 1998Data last reviewed in September, 1965
Quantity Value Units Method Reference Comment
gas,1 bar197.660 ± 0.004J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar197.66J/mol*KReviewChase, 1998Data last reviewed in September, 1965

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 1300.1300. to 6000.
A 25.5675935.15070
B 6.0961301.300095
C 4.054656-0.205921
D -2.6713010.013550
E 0.131021-3.282780
F -118.0089-127.8375
G 227.3665231.7120
H -110.5271-110.5271
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in September, 1965 Data last reviewed in September, 1965

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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:
MS - José A. Martinho Simões
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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.

Reactions 1 to 50

Manganese, tricarbonyl(η5-2,4-cyclopentadien-1-yl)- (solution) + Heptane (solution) = C14H21MnO2 (solution) + Carbon monoxide (solution)

By formula: C8H5MnO3 (solution) + C7H16 (solution) = C14H21MnO2 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr196. ± 7.kJ/molAVGN/AAverage of 18 values; Individual data points

Chromium hexacarbonyl (solution) + Heptane (solution) = C12H16CrO5 (solution) + Carbon monoxide (solution)

By formula: C6CrO6 (solution) + C7H16 (solution) = C12H16CrO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr113. ± 3.kJ/molAVGN/AAverage of 13 values; Individual data points

Chromium hexacarbonyl (solution) = C5CrO5 (solution) + Carbon monoxide (solution)

By formula: C6CrO6 (solution) = C5CrO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr168.2 ± 2.5kJ/molKinSGraham and Angelici, 1967solvent: Decalin; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Cr(CO)6(solution) with PBu3(solution).; MS
Δr159.4kJ/molKinSWerner and Prinz, 1966solvent: n-Decane+cyclohexane mixture; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reactions of Cr(CO)6(solution) with a phosphine and an amine. The results were quoted from Graham and Angelici, 1967.; MS

Molybdenum hexacarbonyl (solution) = C5MoO5 (solution) + Carbon monoxide (solution)

By formula: C6MoO6 (solution) = C5MoO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr132.6 ± 5.9kJ/molKinSGraham and Angelici, 1967solvent: Decalin; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Mo(CO)6(solution) with PBu3(solution).; MS
Δr126.4kJ/molKinSWerner and Prinz, 1966solvent: n-Decane+cyclohexane mixture; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reactions of Mo(CO)6(solution) with a phosphine and an amine. The results were quoted from Graham and Angelici, 1967.; MS

Tungsten hexacarbonyl (solution) = C5O5W (solution) + Carbon monoxide (solution)

By formula: C6O6W (solution) = C5O5W (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr166.9 ± 6.7kJ/molKinSGraham and Angelici, 1967solvent: Decalin; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of W(CO)6(solution) with PBu3(solution).; MS
Δr163.2kJ/molKinSWerner and Prinz, 1966solvent: n-Decane+cyclohexane mixture; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reactions of W(CO)6(solution) with a phosphine and an amine. The results were quoted from Graham and Angelici, 1967.; MS

C11H2O11Os (solution) + Carbon monoxide (solution) = Hydrogen (g) + Osmium, dodecacarbonyltri-, triangulo (solution)

By formula: C11H2O11Os (solution) + CO (solution) = H2 (g) + C12O12Os3 (solution)

Quantity Value Units Method Reference Comment
Δr-37.7 ± 9.6kJ/molES/KSPoë, Sampson, et al., 1993solvent: Decalin; Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993.; MS
Δr-77.4 ± 9.7kJ/molN/APoë, Sampson, et al., 1993solvent: Decalin; Calculated from data for the reactions Os3(CO)10(H)2(solution) + CO(solution) = Os3(CO)11(H)2(solution) (hrxn [kJ/mol]=-39.7±1.3, srxn [J/(mol K)]=-80.3±3.8) and Os3(CO)11(H)2(solution) + CO(solution) = Os3(CO)12(solution) + H2(g) (hrxn [kJ/mol]=-37.7±9.6, srxn [J/(mol K)]=-32.6±27.6) Poë, Sampson, et al., 1993.; MS

Iron pentacarbonyl (g) = C4FeO4 (g) + Carbon monoxide (g)

By formula: C5FeO5 (g) = C4FeO4 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr174. ± 13.kJ/molLPHPLewis, Golden, et al., 1984Please also see Smith and Laine, 1981. Temperature range: 670-780 K. The reaction enthalpy at 298 K relies on an activation energy of 167.4 kJ/mol and assumes a negligible activation barrier for product recombination. The enthalpy of formation relies on -723.9 ± 6.7 kJ/mol for the enthalpy of formation of Fe(CO)5(g). At least two other estimates of the activation energy for the Fe(CO)4(g) + CO(g) recombination have been reported: 7.1 kJ/mol Miller and Grant, 1985 and 16.7 kJ/mol Walsh, 1986. In Lewis, Golden, et al., 1984 authors have considered that the Fe(CO)4(g) fragment is in its singlet excited state. However, it has also been suggested that the fragment is formed in its triplet ground state Ray, Brandow, et al., 1988 Sunderlin, Wang, et al., 1992; MS
Δr232. ± 48.kJ/molN/AEngelking and Lineberger, 1979Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

Molybdenum hexacarbonyl (g) = C5MoO5 (g) + Carbon monoxide (g)

By formula: C6MoO6 (g) = C5MoO5 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr146. ± 21.kJ/molKinGGanske and Rosenfeld, 1990MS
Δr170. ± 13.kJ/molLPHPLewis, Golden, et al., 1984The reaction enthalpy at 298 K relies on an activation energy of 163.2 kJ/mol and assumes a negligible activation barrier for product recombination. The enthalpy of formation relies on -915.3 ± 2.1 kJ/mol for the enthalpy of formation of Mo(CO)6(g); MS
Δr126.4kJ/molKinGCetini and Gambino, 1963Please also see Graham and Angelici, 1967. The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Mo(CO)6(g) with CO(g) Cetini and Gambino, 1963. The results were quoted from Graham and Angelici, 1967.; MS

Tungsten hexacarbonyl (g) = C5O5W (g) + Carbon monoxide (g)

By formula: C6O6W (g) = C5O5W (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr193. ± 13.kJ/molLPHPLewis, Golden, et al., 1984The reaction enthalpy at 298 K relies on an activation energy of 186.2 kJ/mol and assumes a negligible activation barrier for product recombination. The enthalpy of formation relies on -883.9 ± 2.7 kJ/mol for the enthalpy of formation of W(CO)6(g); MS
Δr166.5kJ/molKinGCetini and Gambino, 1963, 2Please also see Graham and Angelici, 1967. The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of W(CO)6(g) with CO(g) Cetini and Gambino, 1963, 2. The results were quoted from Graham and Angelici, 1967.; MS

Chromium hexacarbonyl (g) = C5CrO5 (g) + Carbon monoxide (g)

By formula: C6CrO6 (g) = C5CrO5 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr155. ± 21.kJ/molKinGFletcher and Rosenfeld, 1988MS
Δr154. ± 13.kJ/molLPHPLewis, Golden, et al., 1984Temperature range: 740-820 K. The reaction enthalpy at 298 K relies on an activation energy of 147.7 kJ/mol and assumes a negligible activation barrier for product recombination.; MS
Δr161.9kJ/molKinGPajaro, Calderazzo, et al., 1960Please also see Graham and Angelici, 1967. The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Cr(CO)6(g) with CO(g) Pajaro, Calderazzo, et al., 1960. The results were quoted from Graham and Angelici, 1967.; MS

C10H5CrNO5 (solution) + Carbon monoxide (solution) = Chromium hexacarbonyl (solution) + 1,3-Diazine (solution)

By formula: C10H5CrNO5 (solution) + CO (solution) = C6CrO6 (solution) + C4H4N2 (solution)

Quantity Value Units Method Reference Comment
Δr-61.9kJ/molKinSWovkulich and Atwood, 1980solvent: Hexane; The data rely on the enthalpy and entropy of activation for the forward reaction, 106.3 ± 4.6 kJ/mol and 13.0±14.6 J/(mol K) Dennenberg and Darensbourg, 1972, and also on the enthalpy and entropy of activation for the Cr-CO dissociation in Cr(CO)6, 168.2 ± 2.5 kJ/mol and 94.6±6.3 J/(mol K) Graham and Angelici, 1967. The latter data were obtained in decalin; MS

CO+ + Carbon monoxide = (CO+ • Carbon monoxide)

By formula: CO+ + CO = (CO+ • CO)

Quantity Value Units Method Reference Comment
Δr67.kJ/molPIPECONorwood, Guo, et al., 1988gas phase; CO+ in state B, ΔrH>; M
Δr93.7kJ/molPILinn, Ono, et al., 1981gas phase; M
Δr120. ± 30.kJ/molEIMunson and Franlin, 1962gas phase; from IP'switching reaction and heats of formation; M
Δr106.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
21.340.HPMSChong and Franklin, 1971gas phase; equilibrium uncertain; M
48.1695.PHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

Tungsten hexacarbonyl (cr) = 6Carbon monoxide (g) + tungsten (cr)

By formula: C6O6W (cr) = 6CO (g) + W (cr)

Quantity Value Units Method Reference Comment
Δr298.8 ± 4.7kJ/molTD-HFC, HAL-HFCAl-Takhin, Connor, et al., 1984The reaction enthalpy corresponds to the TD experiments and leads to -962.0 ± 4.8 kJ/mol for the enthalpy of formation. The value -960±3 was recommended by the authors Al-Takhin, Connor, et al., 1984. Other values for the enthalpy of sublimation have been reported: 73. ± 1. kJ/mol Adedeji, Brown, et al., 1975, 74.1 ± 4.2 kJ/mol Hieber and Romberg, 1935, 69.9 ± 4.2 kJ/mol Rezukhina and Shvyrev, 1952, and 78.9 ± 1.1 kJ/mol Daamen, Ernsting, et al., 1979 Boxhoorn, Ernsting, et al., 1980. See also Pilcher, Ware, et al., 1975; MS
Δr296.1 ± 1.8kJ/molTD-HZCBarnes, Pilcher, et al., 1974Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS

Tri-ruthenium dodecacarbonyl (solution) + 3Carbon monoxide (solution) = 3C5O5Ru (solution)

By formula: C12O12Ru3 (solution) + 3CO (solution) = 3C5O5Ru (solution)

Quantity Value Units Method Reference Comment
Δr-13.0 ± 1.1kJ/molEqSKoelliker and Bor, 1991solvent: Isooctane; Temperature range: 373-448 K; MS
Δr-27.1 ± 1.9kJ/molEqSBor, 1986solvent: n-Hexane; Temperature range: ca. 348-448 K; MS

Dicobalt octacarbonyl (solution) = C7Co2O7 (solution) + Carbon monoxide (solution)

By formula: C8Co2O8 (solution) = C7Co2O7 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr92.7kJ/molKinSUngváry and Markó, 1974solvent: Heptane; Temperature range: 298-328 K; MS
Δr87.9kJ/molKinSUngváry, 1972solvent: Heptane; Temperature range: 307-337 K; MS

Tungsten hexacarbonyl (cr) + 1,3-Diazine (l) = C10H5NO5W (cr) + Carbon monoxide (g)

By formula: C6O6W (cr) + C4H4N2 (l) = C10H5NO5W (cr) + CO (g)

Quantity Value Units Method Reference Comment
Δr34.6kJ/molN/ANakashima and Adamson, 1982The reaction enthalpy was calculated from the enthalpy of the reaction W(CO)6(solution) + py(solution) = W(CO)5(py)(solution) + CO(solution) in cyclohexane, 27.4 ± 2.9 kJ/mol, together with the enthalpies of solution of W(CO)6(cr), W(CO)5(py)(cr), and py(l), 35.7, 36.4, and 7.9 kJ/mol, respectively Nakashima and Adamson, 1982.; MS

Formyl cation + Carbon monoxide = (Formyl cation • Carbon monoxide)

By formula: CHO+ + CO = (CHO+ • CO)

Quantity Value Units Method Reference Comment
Δr45.2kJ/molPHPMSJennings, Headley, et al., 1982gas phase; M
Δr53.6kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr49.0kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr94.1J/mol*KPHPMSJennings, Headley, et al., 1982gas phase; M
Δr100.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr87.4J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M

Cobalt ion (1+) + Carbon monoxide = (Cobalt ion (1+) • Carbon monoxide)

By formula: Co+ + CO = (Co+ • CO)

Quantity Value Units Method Reference Comment
Δr174. ± 7.1kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
174. (+6.7,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
163. (+20.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Molybdenum hexacarbonyl (solution) + Heptane (solution) = C12H16MoO5 (solution) + Carbon monoxide (solution)

By formula: C6MoO6 (solution) + C7H16 (solution) = C12H16MoO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr135. ± 12.kJ/molPACJohnson, Popov, et al., 1991solvent: Heptane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation.; MS
Δr133.1 ± 5.4kJ/molPACMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation; MS

C2FeO2 (g) = Carbon monoxide (g) + CFeO (g)

By formula: C2FeO2 (g) = CO (g) + CFeO (g)

Quantity Value Units Method Reference Comment
Δr154. ± 15.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Δr>113.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Δr100. ± 29.kJ/molN/AEngelking and Lineberger, 1979Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

Nickel tetracarbonyl (g) = 4Carbon monoxide (g) + nickel (cr)

By formula: C4NiO4 (g) = 4CO (g) + Ni (cr)

Quantity Value Units Method Reference Comment
Δr160.4 ± 2.5kJ/molEqGMonteil, Raffin, et al., 1988The reaction enthalpy is the average of several 2nd and 3rd law results Monteil, Raffin, et al., 1988; MS

Nickel ion (1+) + Carbon monoxide = (Nickel ion (1+) • Carbon monoxide)

By formula: Ni+ + CO = (Ni+ • CO)

Quantity Value Units Method Reference Comment
Δr160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
174. (+10.,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
178. (+9.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

C3FeO3 (g) = Carbon monoxide (g) + C2FeO2 (g)

By formula: C3FeO3 (g) = CO (g) + C2FeO2 (g)

Quantity Value Units Method Reference Comment
Δr122. ± 24.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Δr105.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Δr137. ± 29.kJ/molN/AEngelking and Lineberger, 1979Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

CFeO (g) = Carbon monoxide (g) + iron (g)

By formula: CFeO (g) = CO (g) + Fe (g)

Quantity Value Units Method Reference Comment
Δr35. ± 15.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Δr<163.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Δr87. ± 29.kJ/molN/AEngelking and Lineberger, 1979Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

C4FeO4 (g) = C3FeO3 (g) + Carbon monoxide (g)

By formula: C4FeO4 (g) = C3FeO3 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr117. ± 36.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Δr42.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Δr19. ± 39.kJ/molN/AEngelking and Lineberger, 1979Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

Nickel tetracarbonyl (solution) = C3NiO3 (solution) + Carbon monoxide (solution)

By formula: C4NiO4 (solution) = C3NiO3 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr94.6kJ/molKinSTurner, Simpson, et al., 1983solvent: Liquid krypton; The reaction enthalpy relies on the experimental value for the activation enthalpy, 94.6 kJ/mol, and on the assumption that the activation enthalpy for product recombination is negligible Turner, Simpson, et al., 1983.; MS

(CAS Reg. No. 71564-27-7 • 4294967295Carbon monoxide) + Carbon monoxide = CAS Reg. No. 71564-27-7

By formula: (CAS Reg. No. 71564-27-7 • 4294967295CO) + CO = CAS Reg. No. 71564-27-7

Quantity Value Units Method Reference Comment
Δr145. ± 40.kJ/molN/ANakajima, Taguwa, et al., 1994gas phase; Vertical Detachment Energy: 3.02±0.13 eV; B
Δr150. ± 50.kJ/molN/AEngelking and Lineberger, 1979gas phase; B
Δr174. ± 10.kJ/molCIDTSunderlin, Wang, et al., 1992gas phase; Affinity: CO..Fe(CO)3-; B

2-Cyclopropen-1-one, 2,3-diphenyl- = Diphenylacetylene + Carbon monoxide

By formula: C15H10O = C14H10 + CO

Quantity Value Units Method Reference Comment
Δr-28. ± 5.0kJ/molCphaHung and Grabowski, 1992liquid phase; solvent: Alkane; ALS
Δr18. ± 10.kJ/molCphaHerman and Goodman, 1989solid phase; solvent: Acetonitrile/water; ALS
Δr-41. ± 12.kJ/molCphaGrabowski, Simon, et al., 1984liquid phase; solvent: Benzene; ALS

(Formyl cation • 2Carbon monoxide) + Carbon monoxide = (Formyl cation • 3Carbon monoxide)

By formula: (CHO+ • 2CO) + CO = (CHO+ • 3CO)

Quantity Value Units Method Reference Comment
Δr19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr66.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr110.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 3Carbon monoxide) + Carbon monoxide = (Formyl cation • 4Carbon monoxide)

By formula: (CHO+ • 3CO) + CO = (CHO+ • 4CO)

Quantity Value Units Method Reference Comment
Δr19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr76.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr120.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 4Carbon monoxide) + Carbon monoxide = (Formyl cation • 5Carbon monoxide)

By formula: (CHO+ • 4CO) + CO = (CHO+ • 5CO)

Quantity Value Units Method Reference Comment
Δr18. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr24.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr130.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • Carbon monoxide) + Carbon monoxide = (Formyl cation • 2Carbon monoxide)

By formula: (CHO+ • CO) + CO = (CHO+ • 2CO)

Quantity Value Units Method Reference Comment
Δr20. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr28.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr62.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr100.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

CNiO (g) = Carbon monoxide (g) + nickel (g)

By formula: CNiO (g) = CO (g) + Ni (g)

Quantity Value Units Method Reference Comment
Δr170. ± 24.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Δr108.kJ/molN/AMcQuaid, Morris, et al., 1988Method: Chemiluminescence spectroscopy.; MS
Δr121. ± 63.kJ/molN/AStevens, Feigerle, et al., 1982Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons.; MS

(Cobalt ion (1+) • Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 2Carbon monoxide)

By formula: (Co+ • CO) + CO = (Co+ • 2CO)

Quantity Value Units Method Reference Comment
Δr153. ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
152. (+8.8,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
138. (+20.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Iron ion (1+) + Carbon monoxide = (Iron ion (1+) • Carbon monoxide)

By formula: Fe+ + CO = (Fe+ • CO)

Quantity Value Units Method Reference Comment
Δr129. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr130. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
131. (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Manganese, pentacarbonylmethyl- (solution) + Carbon monoxide (solution) = Manganese, acetylpentacarbonyl-, (OC-6-21)- (solution)

By formula: C6H3MnO5 (solution) + CO (solution) = C7H3MnO6 (solution)

Quantity Value Units Method Reference Comment
Δr-56.1 ± 4.2kJ/molRSCNolan, López de la Vega, et al., 1986solvent: Tetrahydrofuran; MS
Δr-52.7kJ/molEqSCalderazzo, 1977solvent: 2,2'-diethoxydiethyl ether; MS

Cobalt, tetracarbonylhydro- (g) = 0.5Hydrogen (g) + 4Carbon monoxide (g) + cobalt (cr)

By formula: C4HCoO4 (g) = 0.5H2 (g) + 4CO (g) + Co (cr)

Quantity Value Units Method Reference Comment
Δr127.1 ± 2.1kJ/molEqGBronshstein, Gankin, et al., 1966Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970. Temperature range: ca. 423-533 K; MS

(Sodium ion (1+) • Carbon monoxide) + Carbon monoxide = (Sodium ion (1+) • 2Carbon monoxide)

By formula: (Na+ • CO) + CO = (Na+ • 2CO)

Quantity Value Units Method Reference Comment
Δr24. ± 3.kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr24. ± 3.kJ/molCIDTWalter, Sievers, et al., 1998RCD
Δr31.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr63.2J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Tungsten hexacarbonyl (solution) + 1,3-Diazine (solution) = C10H5NO5W (solution) + Carbon monoxide (solution)

By formula: C6O6W (solution) + C4H4N2 (solution) = C10H5NO5W (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr27.4 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Cyclohexane; MS
Δr24.9 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Benzene; MS
Δr18.4 ± 0.4kJ/molPCNakashima and Adamson, 1982solvent: Tetrahydrofuran; MS

Sodium ion (1+) + Carbon monoxide = (Sodium ion (1+) • Carbon monoxide)

By formula: Na+ + CO = (Na+ • CO)

Quantity Value Units Method Reference Comment
Δr32. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr32. ± 7.9kJ/molCIDTWalter, Sievers, et al., 1998RCD
Δr52.7kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr85.4J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Nickel tetracarbonyl (g) = C3NiO3 (g) + Carbon monoxide (g)

By formula: C4NiO4 (g) = C3NiO3 (g) + CO (g)

Quantity Value Units Method Reference Comment
Δr104. ± 8.kJ/molN/AStevens, Feigerle, et al., 1982Please also see Compton and Stockdale, 1976. The enthalpy of formation relies on -602.5 ± 2.6 kJ/mol for the enthalpy of formation of Ni(CO)4(g) Method: LPS and collision with low energy electrons.; MS

(CO+ • 2Carbon monoxide) + Carbon monoxide = (CO+ • 3Carbon monoxide)

By formula: (CO+ • 2CO) + CO = (CO+ • 3CO)

Quantity Value Units Method Reference Comment
Δr30.2kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

(CO+ • 5Carbon monoxide) + Carbon monoxide = (CO+ • 6Carbon monoxide)

By formula: (CO+ • 5CO) + CO = (CO+ • 6CO)

Quantity Value Units Method Reference Comment
Δr11.3kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Δr79.9J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

C34H52OTh (solution) + Carbon monoxide (solution) = C35H52O2Th (solution)

By formula: C34H52OTh (solution) + CO (solution) = C35H52O2Th (solution)

Quantity Value Units Method Reference Comment
Δr-24.7 ± 6.3kJ/molEqSMoloy and Marks, 1984solvent: Toluene; Temperature range: ca. 180-200 K; MS

C29H50OTh (solution) + Carbon monoxide (solution) = C30H50O2Th (solution)

By formula: C29H50OTh (solution) + CO (solution) = C30H50O2Th (solution)

Quantity Value Units Method Reference Comment
Δr-18.8 ± 3.8kJ/molEqSMoloy and Marks, 1984solvent: Toluene; Temperature range: ca. 180-220 K; MS

Molybdenum hexacarbonyl (cr) = 6Carbon monoxide (g) + molybdenum (cr)

By formula: C6MoO6 (cr) = 6CO (g) + Mo (cr)

Quantity Value Units Method Reference Comment
Δr325.9 ± 1.5kJ/molTD-HZCBarnes, Pilcher, et al., 1974, 2Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS
Δr297.1 ± 4.2kJ/molTD-HFCConnor, Skinner, et al., 1972Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS

(Formyl cation • 14Carbon monoxide) + Carbon monoxide = (Formyl cation • 15Carbon monoxide)

By formula: (CHO+ • 14CO) + CO = (CHO+ • 15CO)

Quantity Value Units Method Reference Comment
Δr7.36kJ/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr96.J/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

bis(η(5)-Cyclopentadienyl) chromium (solution) + Carbon monoxide (solution) = C11H10CrO (solution)

By formula: C10H10Cr (solution) + CO (solution) = C11H10CrO (solution)

Quantity Value Units Method Reference Comment
Δr-78.7 ± 2.1kJ/molEqSWong and Brintzinger, 1975solvent: Toluene; Temperature range: 280-308 K; MS

Chromium hexacarbonyl (cr) = 6Carbon monoxide (g) + chromium (cr)

By formula: C6CrO6 (cr) = 6CO (g) + Cr (cr)

Quantity Value Units Method Reference Comment
Δr266. ± 4.kJ/molTD-HFCAl-Takhin, Connor, et al., 1984, 2MS
Δr314.9 ± 0.9kJ/molTD-HZCPittam, Pilcher, et al., 1975Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS
Δr269.4 ± 4.7kJ/molTD-HFCConnor, Skinner, et al., 1972MS

2Dicobalt octacarbonyl (solution) = C12Co4O12 (solution) + 4Carbon monoxide (solution)

By formula: 2C8Co2O8 (solution) = C12Co4O12 (solution) + 4CO (solution)

Quantity Value Units Method Reference Comment
Δr123.4 ± 2.1kJ/molEqSBor and Dietler, 1980solvent: Hexane; Temperature range: 378-418 K; MS

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to CO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)14.014 ± 0.0003eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)594.kJ/molN/AHunter and Lias, 1998at C; HL
Proton affinity (review)426.3kJ/molN/AHunter and Lias, 1998at O; HL
Quantity Value Units Method Reference Comment
Gas basicity562.8kJ/molN/AHunter and Lias, 1998at C; HL
Gas basicity402.2kJ/molN/AHunter and Lias, 1998at O; HL
Quantity Value Units Method Reference Comment
Δf(+) ion1241.kJ/molN/AN/A 
Quantity Value Units Method Reference Comment
ΔfH(+) ion,0K1238.kJ/molN/AN/A 

Electron affinity determinations

EA (eV) Method Reference Comment
1.32608R-ARefaey and Franklin, 1976G3MP2B3 calculations indicate an EA of ca.-1.6 eV, anion unbound; B

Ionization energy determinations

IE (eV) Method Reference Comment
14.0142 ± 0.0003LSErman, Karawajczyk, et al., 1993LL
14.1PEKimura, Katsumata, et al., 1981LLK
14.014SFock, Gurtler, et al., 1980LLK
14.07 ± 0.05EIHille and Mark, 1978LLK
14.0PIRabalais, Debies, et al., 1974LLK
14.01PENatalis, 1973LLK
14.0139SOgawa and Ogawa, 1972LLK
14.01PEHotop and Niehaus, 1970RDSH
14.01PECollin and Natalis, 1969RDSH
14.00PETurner and May, 1966RDSH
14.013 ± 0.004SKrupenie, 1966RDSH
13.985PICook, Metzger, et al., 1965RDSH
14.01PEPotts and Williams, 1974Vertical value; LLK
14.01PEKatrib, Debies, et al., 1973Vertical value; LLK
14.0PEThomas, 1970Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C+20.94 ± 0.02O-PIOertel, Schenk, et al., 1980LLK
C+20.89O-(2P)EISmyth, Schiavone, et al., 1974LLK
C+20.88 ± 0.02O-EILocht and Momigny, 1971LLK
C+22.45 ± 0.10OEIHierl and Franklin, 1967RDSH
C+20.82 ± 0.05O-EIHierl and Franklin, 1967RDSH
C+22.57 ± 0.20OEIFineman and Petrocelli, 1961RDSH
C+20.89 ± 0.09O-EIFineman and Petrocelli, 1961RDSH
CO+19.5 ± 0.2O-?PIWeissler, Samson, et al., 1959RDSH
O+23.44C-EISmyth, Schiavone, et al., 1974LLK
O+23.20 ± 0.05C-EIHierl and Franklin, 1967RDSH
O+24.65 ± 0.05CEIHierl and Franklin, 1967RDSH
O+23.41 ± 0.17C-EIFineman and Petrocelli, 1961RDSH
O+24.78 ± 0.23CEIFineman and Petrocelli, 1961RDSH

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar

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

Silver ion (1+) + Carbon monoxide = (Silver ion (1+) • Carbon monoxide)

By formula: Ag+ + CO = (Ag+ • CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
88.7 (+5.0,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 2Carbon monoxide)

By formula: (Ag+ • CO) + CO = (Ag+ • 2CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
109. (+4.,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 3Carbon monoxide)

By formula: (Ag+ • 2CO) + CO = (Ag+ • 3CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
54.8 (+7.5,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 4Carbon monoxide)

By formula: (Ag+ • 3CO) + CO = (Ag+ • 4CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
45. (+4.,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

Ar+ + Carbon monoxide = (Ar+ • Carbon monoxide)

By formula: Ar+ + CO = (Ar+ • CO)

Quantity Value Units Method Reference Comment
Δr80. ± 20.kJ/molPIPECONorwood, Guo, et al., 1989gas phase; Ar+(2P3/2); M

(Ar+ • Carbon monoxide) + Carbon monoxide = (Ar+ • 2Carbon monoxide)

By formula: (Ar+ • CO) + CO = (Ar+ • 2CO)

Quantity Value Units Method Reference Comment
Δr10.kJ/molPIPECONorwood, Guo, et al., 1989gas phase; approximate value from Ar+(2P3/2) 2CO -> Ar+(2P3/2) + 2CO; M

Trifluoromethyl cation + Carbon monoxide = (Trifluoromethyl cation • Carbon monoxide)

By formula: CF3+ + CO = (CF3+ • CO)

Quantity Value Units Method Reference Comment
Δr66.9kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr130.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 2Carbon monoxide)

By formula: (CF3+ • CO) + CO = (CF3+ • 2CO)

Quantity Value Units Method Reference Comment
Δr26.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 2Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 3Carbon monoxide)

By formula: (CF3+ • 2CO) + CO = (CF3+ • 3CO)

Quantity Value Units Method Reference Comment
Δr24.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 3Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 4Carbon monoxide)

By formula: (CF3+ • 3CO) + CO = (CF3+ • 4CO)

Quantity Value Units Method Reference Comment
Δr23.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 4Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 5Carbon monoxide)

By formula: (CF3+ • 4CO) + CO = (CF3+ • 5CO)

Quantity Value Units Method Reference Comment
Δr13.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 5Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 6Carbon monoxide)

By formula: (CF3+ • 5CO) + CO = (CF3+ • 6CO)

Quantity Value Units Method Reference Comment
Δr12.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 6Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 7Carbon monoxide)

By formula: (CF3+ • 6CO) + CO = (CF3+ • 7CO)

Quantity Value Units Method Reference Comment
Δr11.kJ/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(CFeO- • 4294967295Carbon monoxide) + Carbon monoxide = CFeO-

By formula: (CFeO- • 4294967295CO) + CO = CFeO-

Quantity Value Units Method Reference Comment
Δr146. ± 15.kJ/molN/AVillalta and Leopold, 1993gas phase; B
Δr141. ± 15.kJ/molCIDTSunderlin, Wang, et al., 1992gas phase; B

Formyl cation + Carbon monoxide = (Formyl cation • Carbon monoxide)

By formula: CHO+ + CO = (CHO+ • CO)

Quantity Value Units Method Reference Comment
Δr45.2kJ/molPHPMSJennings, Headley, et al., 1982gas phase; M
Δr53.6kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr49.0kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr94.1J/mol*KPHPMSJennings, Headley, et al., 1982gas phase; M
Δr100.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr87.4J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M

(Formyl cation • Carbon monoxide) + Carbon monoxide = (Formyl cation • 2Carbon monoxide)

By formula: (CHO+ • CO) + CO = (CHO+ • 2CO)

Quantity Value Units Method Reference Comment
Δr20. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr28.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr62.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr100.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 2Carbon monoxide) + Carbon monoxide = (Formyl cation • 3Carbon monoxide)

By formula: (CHO+ • 2CO) + CO = (CHO+ • 3CO)

Quantity Value Units Method Reference Comment
Δr19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr66.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr110.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 3Carbon monoxide) + Carbon monoxide = (Formyl cation • 4Carbon monoxide)

By formula: (CHO+ • 3CO) + CO = (CHO+ • 4CO)

Quantity Value Units Method Reference Comment
Δr19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr76.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr120.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 4Carbon monoxide) + Carbon monoxide = (Formyl cation • 5Carbon monoxide)

By formula: (CHO+ • 4CO) + CO = (CHO+ • 5CO)

Quantity Value Units Method Reference Comment
Δr18. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr24.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr95.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr130.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 5Carbon monoxide) + Carbon monoxide = (Formyl cation • 6Carbon monoxide)

By formula: (CHO+ • 5CO) + CO = (CHO+ • 6CO)

Quantity Value Units Method Reference Comment
Δr10. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr79.5J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 6Carbon monoxide) + Carbon monoxide = (Formyl cation • 7Carbon monoxide)

By formula: (CHO+ • 6CO) + CO = (CHO+ • 7CO)

Quantity Value Units Method Reference Comment
Δr9. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr88.3J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 7Carbon monoxide) + Carbon monoxide = (Formyl cation • 8Carbon monoxide)

By formula: (CHO+ • 7CO) + CO = (CHO+ • 8CO)

Quantity Value Units Method Reference Comment
Δr9. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr92.0J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 8Carbon monoxide) + Carbon monoxide = (Formyl cation • 9Carbon monoxide)

By formula: (CHO+ • 8CO) + CO = (CHO+ • 9CO)

Quantity Value Units Method Reference Comment
Δr9. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr94.6J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 9Carbon monoxide) + Carbon monoxide = (Formyl cation • 10Carbon monoxide)

By formula: (CHO+ • 9CO) + CO = (CHO+ • 10CO)

Quantity Value Units Method Reference Comment
Δr8. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr93.3J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 10Carbon monoxide) + Carbon monoxide = (Formyl cation • 11Carbon monoxide)

By formula: (CHO+ • 10CO) + CO = (CHO+ • 11CO)

Quantity Value Units Method Reference Comment
Δr8. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr96.2J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 11Carbon monoxide) + Carbon monoxide = (Formyl cation • 12Carbon monoxide)

By formula: (CHO+ • 11CO) + CO = (CHO+ • 12CO)

Quantity Value Units Method Reference Comment
Δr8. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 12Carbon monoxide) + Carbon monoxide = (Formyl cation • 13Carbon monoxide)

By formula: (CHO+ • 12CO) + CO = (CHO+ • 13CO)

Quantity Value Units Method Reference Comment
Δr8. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr97.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 13Carbon monoxide) + Carbon monoxide = (Formyl cation • 14Carbon monoxide)

By formula: (CHO+ • 13CO) + CO = (CHO+ • 14CO)

Quantity Value Units Method Reference Comment
Δr7. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr96.7J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 14Carbon monoxide) + Carbon monoxide = (Formyl cation • 15Carbon monoxide)

By formula: (CHO+ • 14CO) + CO = (CHO+ • 15CO)

Quantity Value Units Method Reference Comment
Δr7.36kJ/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr96.J/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

(CHO- • 4294967295Carbon monoxide) + Carbon monoxide = CHO-

By formula: (CHO- • 4294967295CO) + CO = CHO-

Quantity Value Units Method Reference Comment
Δr22.7 ± 1.9kJ/molN/AMurray, Miller, et al., 1986gas phase; B

(CNiO- • 4294967295Carbon monoxide) + Carbon monoxide = CNiO-

By formula: (CNiO- • 4294967295CO) + CO = CNiO-

Quantity Value Units Method Reference Comment
Δr138. ± 24.kJ/molN/AStevens, Feigerle, et al., 1982gas phase; B
Δr136. ± 24.kJ/molCIDTSunderlin, Wang, et al., 1992gas phase; Affinity: CO..Ni-; B

CO+ + Carbon monoxide = (CO+ • Carbon monoxide)

By formula: CO+ + CO = (CO+ • CO)

Quantity Value Units Method Reference Comment
Δr67.kJ/molPIPECONorwood, Guo, et al., 1988gas phase; CO+ in state B, ΔrH>; M
Δr93.7kJ/molPILinn, Ono, et al., 1981gas phase; M
Δr120. ± 30.kJ/molEIMunson and Franlin, 1962gas phase; from IP'switching reaction and heats of formation; M
Δr106.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M
Quantity Value Units Method Reference Comment
Δr84.J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
21.340.HPMSChong and Franklin, 1971gas phase; equilibrium uncertain; M
48.1695.PHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

(CO+ • Carbon monoxide) + Carbon monoxide = (CO+ • 2Carbon monoxide)

By formula: (CO+ • CO) + CO = (CO+ • 2CO)

Quantity Value Units Method Reference Comment
Δr52.3kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Δr15.kJ/molPILinn, Ono, et al., 1981gas phase; M
Quantity Value Units Method Reference Comment
Δr149.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 2Carbon monoxide) + Carbon monoxide = (CO+ • 3Carbon monoxide)

By formula: (CO+ • 2CO) + CO = (CO+ • 3CO)

Quantity Value Units Method Reference Comment
Δr30.2kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Δr103.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

(CO+ • 3Carbon monoxide) + Carbon monoxide = (CO+ • 4Carbon monoxide)

By formula: (CO+ • 3CO) + CO = (CO+ • 4CO)

Quantity Value Units Method Reference Comment
Δr18.4kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers; M
Quantity Value Units Method Reference Comment
Δr85.8J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers; M

(CO+ • 4Carbon monoxide) + Carbon monoxide = (CO+ • 5Carbon monoxide)

By formula: (CO+ • 4CO) + CO = (CO+ • 5CO)

Quantity Value Units Method Reference Comment
Δr17.8kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers; M

(CO+ • 5Carbon monoxide) + Carbon monoxide = (CO+ • 6Carbon monoxide)

By formula: (CO+ • 5CO) + CO = (CO+ • 6CO)

Quantity Value Units Method Reference Comment
Δr11.3kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Δr79.9J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

(CO+ • 6Carbon monoxide) + Carbon monoxide = (CO+ • 7Carbon monoxide)

By formula: (CO+ • 6CO) + CO = (CO+ • 7CO)

Quantity Value Units Method Reference Comment
Δr9.41kJ/molPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M
Quantity Value Units Method Reference Comment
Δr88.3J/mol*KPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M

(CO+ • 7Carbon monoxide) + Carbon monoxide = (CO+ • 8Carbon monoxide)

By formula: (CO+ • 7CO) + CO = (CO+ • 8CO)

Quantity Value Units Method Reference Comment
Δr6.61kJ/molPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M
Quantity Value Units Method Reference Comment
Δr51.9J/mol*KPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M

(CO+ • 9Carbon monoxide) + Carbon monoxide = (CO+ • 10Carbon monoxide)

By formula: (CO+ • 9CO) + CO = (CO+ • 10CO)

Quantity Value Units Method Reference Comment
Δr7.74kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr79.9J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 11Carbon monoxide) + Carbon monoxide = (CO+ • 12Carbon monoxide)

By formula: (CO+ • 11CO) + CO = (CO+ • 12CO)

Quantity Value Units Method Reference Comment
Δr8.91kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr113.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 12Carbon monoxide) + Carbon monoxide = (CO+ • 13Carbon monoxide)

By formula: (CO+ • 12CO) + CO = (CO+ • 13CO)

Quantity Value Units Method Reference Comment
Δr8.79kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr116.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 13Carbon monoxide) + Carbon monoxide = (CO+ • 14Carbon monoxide)

By formula: (CO+ • 13CO) + CO = (CO+ • 14CO)

Quantity Value Units Method Reference Comment
Δr8.70kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr120.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 14Carbon monoxide) + Carbon monoxide = (CO+ • 15Carbon monoxide)

By formula: (CO+ • 14CO) + CO = (CO+ • 15CO)

Quantity Value Units Method Reference Comment
Δr8.03kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr112.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 15Carbon monoxide) + Carbon monoxide = (CO+ • 16Carbon monoxide)

By formula: (CO+ • 15CO) + CO = (CO+ • 16CO)

Quantity Value Units Method Reference Comment
Δr8.03kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr115.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 16Carbon monoxide) + Carbon monoxide = (CO+ • 17Carbon monoxide)

By formula: (CO+ • 16CO) + CO = (CO+ • 17CO)

Quantity Value Units Method Reference Comment
Δr7.87kJ/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
Δr115.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

COPt3- + Carbon monoxide = C2O2Pt3-

By formula: COPt3- + CO = C2O2Pt3-

Quantity Value Units Method Reference Comment
Δr220. ± 50.kJ/molN/AGrushow and Ervin, 1997gas phase; B

C2O2Pt3- + Carbon monoxide = C3O3Pt3-

By formula: C2O2Pt3- + CO = C3O3Pt3-

Quantity Value Units Method Reference Comment
Δr220. ± 22.kJ/molN/AGrushow and Ervin, 1997gas phase; B
Δr206. ± 14.kJ/molPDisShi, Spasov, et al., 2001gas phase; B

C3CrO3- + Carbon monoxide = (C3CrO3- • Carbon monoxide)

By formula: C3CrO3- + CO = (C3CrO3- • CO)

Quantity Value Units Method Reference Comment
Δr166. ± 16.kJ/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C3MnO3- + Carbon monoxide = C4MnO4-

By formula: C3MnO3- + CO = C4MnO4-

Quantity Value Units Method Reference Comment
Δr172. ± 13.kJ/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C3O3Pt3- + Carbon monoxide = C4O4Pt3-

By formula: C3O3Pt3- + CO = C4O4Pt3-

Quantity Value Units Method Reference Comment
Δr102. ± 13.kJ/molN/AGrushow and Ervin, 1997gas phase; B

C3O3V- + Carbon monoxide = C4O4V-

By formula: C3O3V- + CO = C4O4V-

Quantity Value Units Method Reference Comment
Δr169. ± 24.kJ/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C4O4Pt3- + Carbon monoxide = C5O5Pt3-

By formula: C4O4Pt3- + CO = C5O5Pt3-

Quantity Value Units Method Reference Comment
Δr109. ± 18.kJ/molN/AGrushow and Ervin, 1997gas phase; B

C4O4V- + Carbon monoxide = C5O5V-

By formula: C4O4V- + CO = C5O5V-

Quantity Value Units Method Reference Comment
Δr130. ± 13.kJ/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C5O5Pt3- + Carbon monoxide = C6O6Pt3-

By formula: C5O5Pt3- + CO = C6O6Pt3-

Quantity Value Units Method Reference Comment
Δr174. ± 29.kJ/molN/AGrushow and Ervin, 1997gas phase; B
Δr166. ± 14.kJ/molPDisShi, Spasov, et al., 2001gas phase; B

C5O5V- + Carbon monoxide = C6O6V-

By formula: C5O5V- + CO = C6O6V-

Quantity Value Units Method Reference Comment
Δr129. ± 15.kJ/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C6H5MnO- + Carbon monoxide = C6H5MnO-

By formula: C6H5MnO- + CO = C6H5MnO-

Quantity Value Units Method Reference Comment
Δr20.9 ± 2.1kJ/molN/ASunderlin and Squires, 1999gas phase; B

C6H5MnO- + Carbon monoxide = C7H5MnO2-

By formula: C6H5MnO- + CO = C7H5MnO2-

Quantity Value Units Method Reference Comment
Δr32.6 ± 2.5kJ/molN/ASunderlin and Squires, 1999gas phase; B

C6O6Pt4- + Carbon monoxide = C8O8Pt4-

By formula: C6O6Pt4- + CO = C8O8Pt4-

Quantity Value Units Method Reference Comment
Δr77. ± 29.kJ/molN/AGrushow and Ervin, 1997gas phase; B

C7H5CrO2- + Carbon monoxide = C8H5CrO3-

By formula: C7H5CrO2- + CO = C8H5CrO3-

Quantity Value Units Method Reference Comment
Δr36.4 ± 3.3kJ/molN/ASunderlin and Squires, 1999gas phase; B

C7H5O2V- + Carbon monoxide = C7H5O2V-

By formula: C7H5O2V- + CO = C7H5O2V-

Quantity Value Units Method Reference Comment
Δr33.1 ± 2.9kJ/molN/ASunderlin and Squires, 1999gas phase; B

C7H5O2V- + Carbon monoxide = C8H5O3V-

By formula: C7H5O2V- + CO = C8H5O3V-

Quantity Value Units Method Reference Comment
Δr31.8 ± 2.5kJ/molN/ASunderlin and Squires, 1999gas phase; B

Cobalt ion (1+) + Carbon monoxide = (Cobalt ion (1+) • Carbon monoxide)

By formula: Co+ + CO = (Co+ • CO)

Quantity Value Units Method Reference Comment
Δr174. ± 7.1kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
174. (+6.7,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
163. (+20.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Cobalt ion (1+) • Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 2Carbon monoxide)

By formula: (Co+ • CO) + CO = (Co+ • 2CO)

Quantity Value Units Method Reference Comment
Δr153. ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
152. (+8.8,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
138. (+20.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 3Carbon monoxide)

By formula: (Co+ • 2CO) + CO = (Co+ • 3CO)

Quantity Value Units Method Reference Comment
Δr82. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
82. (+12.,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 4Carbon monoxide)

By formula: (Co+ • 3CO) + CO = (Co+ • 4CO)

Quantity Value Units Method Reference Comment
Δr74.9 ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
75.3 (+5.9,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 5Carbon monoxide)

By formula: (Co+ • 4CO) + CO = (Co+ • 5CO)

Quantity Value Units Method Reference Comment
Δr74.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
75.3 (+5.0,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

Chromium ion (1+) + Carbon monoxide = (Chromium ion (1+) • Carbon monoxide)

By formula: Cr+ + CO = (Cr+ • CO)

Quantity Value Units Method Reference Comment
Δr90. ± 4.kJ/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
90.0 (+4.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 2Carbon monoxide)

By formula: (Cr+ • CO) + CO = (Cr+ • 2CO)

Quantity Value Units Method Reference Comment
Δr95. ± 3.kJ/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
95. (+3.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 3Carbon monoxide)

By formula: (Cr+ • 2CO) + CO = (Cr+ • 3CO)

Quantity Value Units Method Reference Comment
Δr54.0 ± 5.9kJ/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
54.0 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 4Carbon monoxide)

By formula: (Cr+ • 3CO) + CO = (Cr+ • 4CO)

Quantity Value Units Method Reference Comment
Δr51.0 ± 7.5kJ/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
51.0 (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 5Carbon monoxide)

By formula: (Cr+ • 4CO) + CO = (Cr+ • 5CO)

Quantity Value Units Method Reference Comment
Δr62. ± 3.kJ/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
62. (+3.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 6Carbon monoxide)

By formula: (Cr+ • 5CO) + CO = (Cr+ • 6CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
130. (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Copper ion (1+) + Carbon monoxide = (Copper ion (1+) • Carbon monoxide)

By formula: Cu+ + CO = (Cu+ • CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
149. (+6.7,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 2Carbon monoxide)

By formula: (Cu+ • CO) + CO = (Cu+ • 2CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
172. (+3.,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 3Carbon monoxide)

By formula: (Cu+ • 2CO) + CO = (Cu+ • 3CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
75. (+4.,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 4Carbon monoxide)

By formula: (Cu+ • 3CO) + CO = (Cu+ • 4CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
53. (+3.,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

Iron ion (1+) + Carbon monoxide = (Iron ion (1+) • Carbon monoxide)

By formula: Fe+ + CO = (Fe+ • CO)

Quantity Value Units Method Reference Comment
Δr129. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr130. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
131. (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 2Carbon monoxide)

By formula: (Fe+ • CO) + CO = (Fe+ • 2CO)

Quantity Value Units Method Reference Comment
Δr148. ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
151. (+14.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 3Carbon monoxide)

By formula: (Fe+ • 2CO) + CO = (Fe+ • 3CO)

Quantity Value Units Method Reference Comment
Δr69.0 ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
66.1 (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 4Carbon monoxide)

By formula: (Fe+ • 3CO) + CO = (Fe+ • 4CO)

Quantity Value Units Method Reference Comment
Δr97.9 ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
103. (+7.1,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 5Carbon monoxide)

By formula: (Fe+ • 4CO) + CO = (Fe+ • 5CO)

Quantity Value Units Method Reference Comment
Δr97.1 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
112. (+4.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 3Carbon monoxide • 2iron) + Carbon monoxide = (Iron ion (1+) • 4Carbon monoxide • 2iron)

By formula: (Fe+ • 3CO • 2Fe) + CO = (Fe+ • 4CO • 2Fe)

Quantity Value Units Method Reference Comment
Δr238.kJ/molPDissTecklenberg, Bricker, et al., 1988gas phase; ΔrH<; M

(Iron ion (1+) • iron) + Carbon monoxide = (Iron ion (1+) • Carbon monoxide • iron)

By formula: (Fe+ • Fe) + CO = (Fe+ • CO • Fe)

Quantity Value Units Method Reference Comment
Δr245.kJ/molPDissTecklenberg, Bricker, et al., 1988gas phase; ΔrH<; M

Potassium ion (1+) + Carbon monoxide = (Potassium ion (1+) • Carbon monoxide)

By formula: K+ + CO = (K+ • CO)

Quantity Value Units Method Reference Comment
Δr18. ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

Kr+ + Carbon monoxide = (Kr+ • Carbon monoxide)

By formula: Kr+ + CO = (Kr+ • CO)

Quantity Value Units Method Reference Comment
Δr103. ± 7.5kJ/molSIFTPraxmarer, Jordan, et al., 1993gas phase; switching reaction(Kr+)Kr; Wadt, 1978, Radzig and Smirnov, 1985; M

Lithium ion (1+) + Carbon monoxide = (Lithium ion (1+) • Carbon monoxide)

By formula: Li+ + CO = (Li+ • CO)

Quantity Value Units Method Reference Comment
Δr55. ± 13.kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr55. ± 12.kJ/molCIDTWalter, Sievers, et al., 1998RCD

(Lithium ion (1+) • Carbon monoxide) + Carbon monoxide = (Lithium ion (1+) • 2Carbon monoxide)

By formula: (Li+ • CO) + CO = (Li+ • 2CO)

Quantity Value Units Method Reference Comment
Δr36. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr36. ± 4.2kJ/molCIDTWalter, Sievers, et al., 1998RCD

(Lithium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Lithium ion (1+) • 3Carbon monoxide)

By formula: (Li+ • 2CO) + CO = (Li+ • 3CO)

Quantity Value Units Method Reference Comment
Δr35. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr35. ± 4.2kJ/molCIDTWalter, Sievers, et al., 1998RCD

Magnesium ion (1+) + Carbon monoxide = (Magnesium ion (1+) • Carbon monoxide)

By formula: Mg+ + CO = (Mg+ • CO)

Quantity Value Units Method Reference Comment
Δr41. ± 5.9kJ/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • Carbon monoxide) + Carbon monoxide = (Magnesium ion (1+) • 2Carbon monoxide)

By formula: (Mg+ • CO) + CO = (Mg+ • 2CO)

Quantity Value Units Method Reference Comment
Δr38. ± 3.kJ/molCIDTAndersen, Muntean, et al., 2000RCD

Manganese ion (1+) + Carbon monoxide = (Manganese ion (1+) • Carbon monoxide)

By formula: Mn+ + CO = (Mn+ • CO)

Quantity Value Units Method Reference Comment
Δr30.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; ΔrH>; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
25. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 2Carbon monoxide)

By formula: (Mn+ • CO) + CO = (Mn+ • 2CO)

Quantity Value Units Method Reference Comment
Δr100.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; ΔrH<; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
63. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 3Carbon monoxide)

By formula: (Mn+ • 2CO) + CO = (Mn+ • 3CO)

Quantity Value Units Method Reference Comment
Δr130. ± 30.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
74. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 4Carbon monoxide)

By formula: (Mn+ • 3CO) + CO = (Mn+ • 4CO)

Quantity Value Units Method Reference Comment
Δr80. ± 10.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
65. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 5Carbon monoxide)

By formula: (Mn+ • 4CO) + CO = (Mn+ • 5CO)

Quantity Value Units Method Reference Comment
Δr70. ± 10.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
121. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 6Carbon monoxide)

By formula: (Mn+ • 5CO) + CO = (Mn+ • 6CO)

Quantity Value Units Method Reference Comment
Δr130. ± 20.kJ/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
142. (+10.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Sodium ion (1+) + Carbon monoxide = (Sodium ion (1+) • Carbon monoxide)

By formula: Na+ + CO = (Na+ • CO)

Quantity Value Units Method Reference Comment
Δr32. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr32. ± 7.9kJ/molCIDTWalter, Sievers, et al., 1998RCD
Δr52.7kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr85.4J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(Sodium ion (1+) • Carbon monoxide) + Carbon monoxide = (Sodium ion (1+) • 2Carbon monoxide)

By formula: (Na+ • CO) + CO = (Na+ • 2CO)

Quantity Value Units Method Reference Comment
Δr24. ± 3.kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr24. ± 3.kJ/molCIDTWalter, Sievers, et al., 1998RCD
Δr31.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr63.2J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Nickel ion (1+) + Carbon monoxide = (Nickel ion (1+) • Carbon monoxide)

By formula: Ni+ + CO = (Ni+ • CO)

Quantity Value Units Method Reference Comment
Δr160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
174. (+10.,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
178. (+9.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 2Carbon monoxide)

By formula: (Ni+ • CO) + CO = (Ni+ • 2CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
168. (+10.,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion bema CID; M
169. (+9.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 3Carbon monoxide)

By formula: (Ni+ • 2CO) + CO = (Ni+ • 3CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
91.6 (+5.9,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
95.0 (+4.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 4Carbon monoxide)

By formula: (Ni+ • 3CO) + CO = (Ni+ • 4CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
72. (+3.,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
72.0 (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Oxygen anion + Carbon monoxide = (Oxygen anion • Carbon monoxide)

By formula: O2- + CO = (O2- • CO)

Quantity Value Units Method Reference Comment
Δr<56.90kJ/molIMRBAdams and Bohme, 1970gas phase; CO..O2- + O2 -> O4- + CO. G3MP2B3 calculations indicate a HOF(A-) ca. -38 kcal/mol; B

Platinum ion (1+) + Carbon monoxide = (Platinum ion (1+) • Carbon monoxide)

By formula: Pt+ + CO = (Pt+ • CO)

Quantity Value Units Method Reference Comment
Δr212. ± 10.kJ/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 2Carbon monoxide)

By formula: (Pt+ • CO) + CO = (Pt+ • 2CO)

Quantity Value Units Method Reference Comment
Δr193. ± 10.kJ/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 3Carbon monoxide)

By formula: (Pt+ • 2CO) + CO = (Pt+ • 3CO)

Quantity Value Units Method Reference Comment
Δr97.9 ± 5.0kJ/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 4Carbon monoxide)

By formula: (Pt+ • 3CO) + CO = (Pt+ • 4CO)

Quantity Value Units Method Reference Comment
Δr53.1 ± 5.0kJ/molCIDTZhang and Armentrout, 2001RCD

Pt3- + Carbon monoxide = COPt3-

By formula: Pt3- + CO = COPt3-

Quantity Value Units Method Reference Comment
Δr222. ± 29.kJ/molN/AGrushow and Ervin, 1997gas phase; B

Pt4- + Carbon monoxide = (Pt4- • Carbon monoxide)

By formula: Pt4- + CO = (Pt4- • CO)

Quantity Value Units Method Reference Comment
Δr251. ± 38.kJ/molN/AGrushow and Ervin, 1997gas phase; B

Pt5- + Carbon monoxide = (Pt5- • Carbon monoxide)

By formula: Pt5- + CO = (Pt5- • CO)

Quantity Value Units Method Reference Comment
Δr241. ± 38.kJ/molN/AGrushow and Ervin, 1997gas phase; B

Titanium ion (1+) + Carbon monoxide = (Titanium ion (1+) • Carbon monoxide)

By formula: Ti+ + CO = (Ti+ • CO)

Quantity Value Units Method Reference Comment
Δr118. ± 5.9kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 2Carbon monoxide)

By formula: (Ti+ • CO) + CO = (Ti+ • 2CO)

Quantity Value Units Method Reference Comment
Δr113. ± 4.2kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 3Carbon monoxide)

By formula: (Ti+ • 2CO) + CO = (Ti+ • 3CO)

Quantity Value Units Method Reference Comment
Δr100. ± 4.2kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 4Carbon monoxide)

By formula: (Ti+ • 3CO) + CO = (Ti+ • 4CO)

Quantity Value Units Method Reference Comment
Δr87.0 ± 4.2kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 5Carbon monoxide)

By formula: (Ti+ • 4CO) + CO = (Ti+ • 5CO)

Quantity Value Units Method Reference Comment
Δr69.9 ± 4.2kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 6Carbon monoxide)

By formula: (Ti+ • 5CO) + CO = (Ti+ • 6CO)

Quantity Value Units Method Reference Comment
Δr74. ± 3.kJ/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 6Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 7Carbon monoxide)

By formula: (Ti+ • 6CO) + CO = (Ti+ • 7CO)

Quantity Value Units Method Reference Comment
Δr51.9 ± 7.1kJ/molCIDTMeyer and Armentrout, 1996RCD

Vanadium ion (1+) + Carbon monoxide = (Vanadium ion (1+) • Carbon monoxide)

By formula: V+ + CO = (V+ • CO)

Quantity Value Units Method Reference Comment
Δr120. ± 14.kJ/molCIDArmentrout and Kickel, 1994gas phase; ΔrH(0 K0, guided ion beam CID; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
113. (+3.,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M

(Vanadium ion (1+) • Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 2Carbon monoxide)

By formula: (V+ • CO) + CO = (V+ • 2CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
91. (+3.,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
106. (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 3Carbon monoxide)

By formula: (V+ • 2CO) + CO = (V+ • 3CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
69. (+4.,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
61. (+12.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 4Carbon monoxide)

By formula: (V+ • 3CO) + CO = (V+ • 4CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
85.8 (+9.6,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
95. (+14.,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 5Carbon monoxide)

By formula: (V+ • 4CO) + CO = (V+ • 5CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
91. (+3.,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
92.9 (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 6Carbon monoxide)

By formula: (V+ • 5CO) + CO = (V+ • 6CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
99.6 (+6.7,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
124. (+7.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 6Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 7Carbon monoxide)

By formula: (V+ • 6CO) + CO = (V+ • 7CO)

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
50.2 (+8.8,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics 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.

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Notes

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