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Carbon monoxide

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Reaction thermochemistry data

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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
Deltar196. ± 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
Deltar113. ± 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
Deltar168.2 ± 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
Deltar159.4kJ/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
Deltar132.6 ± 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
Deltar126.4kJ/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
Deltar166.9 ± 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
Deltar163.2kJ/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
Deltar-37.7 ± 9.6kJ/molES/KSPoë, Sampson, et al., 1993solvent: Decalin; Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993.; MS
Deltar-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
Deltar174. ± 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
Deltar232. ± 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
Deltar146. ± 21.kJ/molKinGGanske and Rosenfeld, 1990MS
Deltar170. ± 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
Deltar126.4kJ/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
Deltar193. ± 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
Deltar166.5kJ/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
Deltar155. ± 21.kJ/molKinGFletcher and Rosenfeld, 1988MS
Deltar154. ± 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
Deltar161.9kJ/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
Deltar-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+ bullet Carbon monoxide)

By formula: CO+ + CO = (CO+ bullet CO)

Quantity Value Units Method Reference Comment
Deltar67.kJ/molPIPECONorwood, Guo, et al., 1988gas phase; CO+ in state B, «DELTA»rH>; M
Deltar93.7kJ/molPILinn, Ono, et al., 1981gas phase; M
Deltar120. ± 30.kJ/molEIMunson and Franlin, 1962gas phase; from IP'switching reaction and heats of formation; M
Deltar106.kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; «DELTA»rH>, DG>; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; «DELTA»rH>, DG>; M

Free energy of reaction

DeltarG° (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; «DELTA»rH>, DG>; M

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

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

Quantity Value Units Method Reference Comment
Deltar298.8 ± 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
Deltar296.1 ± 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
Deltar-13.0 ± 1.1kJ/molEqSKoelliker and Bor, 1991solvent: Isooctane; Temperature range: 373-448 K; MS
Deltar-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
Deltar92.7kJ/molKinSUngváry and Markó, 1974solvent: Heptane; Temperature range: 298-328 K; MS
Deltar87.9kJ/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
Deltar34.6kJ/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 bullet Carbon monoxide)

By formula: CHO+ + CO = (CHO+ bullet CO)

Quantity Value Units Method Reference Comment
Deltar45.2kJ/molPHPMSJennings, Headley, et al., 1982gas phase; M
Deltar53.6kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Deltar49.0kJ/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Deltar94.1J/mol*KPHPMSJennings, Headley, et al., 1982gas phase; M
Deltar100.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Deltar87.4J/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M

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

By formula: Co+ + CO = (Co+ bullet CO)

Quantity Value Units Method Reference Comment
Deltar174. ± 7.1kJ/molCIDTRodgers and Armentrout, 2000RCD
Deltar160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; M

Enthalpy of reaction

DeltarH° (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
Deltar135. ± 12.kJ/molPACJohnson, Popov, et al., 1991solvent: Heptane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation.; MS
Deltar133.1 ± 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
Deltar154. ± 15.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Deltar>113.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Deltar100. ± 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
Deltar160.4 ± 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+) bullet Carbon monoxide)

By formula: Ni+ + CO = (Ni+ bullet CO)

Quantity Value Units Method Reference Comment
Deltar160. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

DeltarH° (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
Deltar122. ± 24.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Deltar105.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Deltar137. ± 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
Deltar35. ± 15.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Deltar<163.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Deltar87. ± 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
Deltar117. ± 36.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Deltar42.kJ/molN/AVenkataraman, Bandukwalla, et al., 1989Method: Velocity distributions of photofragments from Fe(CO)5.; MS
Deltar19. ± 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
Deltar94.6kJ/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 bullet 4294967295Carbon monoxide) + Carbon monoxide = CAS Reg. No. 71564-27-7

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

Quantity Value Units Method Reference Comment
Deltar145. ± 40.kJ/molN/ANakajima, Taguwa, et al., 1994gas phase; Vertical Detachment Energy: 3.02±0.13 eV; B
Deltar150. ± 50.kJ/molN/AEngelking and Lineberger, 1979gas phase; B
Deltar174. ± 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
Deltar-28. ± 5.0kJ/molCphaHung and Grabowski, 1992liquid phase; solvent: Alkane; ALS
Deltar18. ± 10.kJ/molCphaHerman and Goodman, 1989solid phase; solvent: Acetonitrile/water; ALS
Deltar-41. ± 12.kJ/molCphaGrabowski, Simon, et al., 1984liquid phase; solvent: Benzene; ALS

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

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

Quantity Value Units Method Reference Comment
Deltar19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Deltar66.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar110.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar19. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar26.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Deltar76.1J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar120.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar18. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar24.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Deltar95.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar130.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar20. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar28.kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Deltar62.8J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar100.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
Deltar170. ± 24.kJ/molFA-SIFTSunderlin, Wang, et al., 1992MS
Deltar108.kJ/molN/AMcQuaid, Morris, et al., 1988Method: Chemiluminescence spectroscopy.; MS
Deltar121. ± 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+) bullet Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) bullet 2Carbon monoxide)

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

Quantity Value Units Method Reference Comment
Deltar153. ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (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+) bullet Carbon monoxide)

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

Quantity Value Units Method Reference Comment
Deltar129. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Deltar130. ± 10.kJ/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

DeltarH° (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
Deltar-56.1 ± 4.2kJ/molRSCNolan, López de la Vega, et al., 1986solvent: Tetrahydrofuran; MS
Deltar-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
Deltar127.1 ± 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+) bullet Carbon monoxide) + Carbon monoxide = (Sodium ion (1+) bullet 2Carbon monoxide)

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

Quantity Value Units Method Reference Comment
Deltar24. ± 3.kJ/molCIDTRodgers and Armentrout, 2000RCD
Deltar24. ± 3.kJ/molCIDTWalter, Sievers, et al., 1998RCD
Deltar31.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar63.2J/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
Deltar27.4 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Cyclohexane; MS
Deltar24.9 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Benzene; MS
Deltar18.4 ± 0.4kJ/molPCNakashima and Adamson, 1982solvent: Tetrahydrofuran; MS

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

By formula: Na+ + CO = (Na+ bullet CO)

Quantity Value Units Method Reference Comment
Deltar32. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Deltar32. ± 7.9kJ/molCIDTWalter, Sievers, et al., 1998RCD
Deltar52.7kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar85.4J/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
Deltar104. ± 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+ bullet 2Carbon monoxide) + Carbon monoxide = (CO+ bullet 3Carbon monoxide)

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

Quantity Value Units Method Reference Comment
Deltar30.2kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Deltar103.J/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

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

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

Quantity Value Units Method Reference Comment
Deltar11.3kJ/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
Deltar79.9J/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
Deltar-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
Deltar-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
Deltar325.9 ± 1.5kJ/molTD-HZCBarnes, Pilcher, et al., 1974, 2Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS
Deltar297.1 ± 4.2kJ/molTD-HFCConnor, Skinner, et al., 1972Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS

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

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

Quantity Value Units Method Reference Comment
Deltar7.36kJ/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar96.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
Deltar-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
Deltar266. ± 4.kJ/molTD-HFCAl-Takhin, Connor, et al., 1984, 2MS
Deltar314.9 ± 0.9kJ/molTD-HZCPittam, Pilcher, et al., 1975Please also see Pedley and Rylance, 1977 and Tel'noi and Rabinovich, 1977.; MS
Deltar269.4 ± 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
Deltar123.4 ± 2.1kJ/molEqSBor and Dietler, 1980solvent: Hexane; Temperature range: 378-418 K; MS

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.

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Compton, R.N.; Stockdale, J.A.D., Formation of gas phase negative ions in Fe(CO)5 and Ni(CO)4, Int. J. Mass Spectrom. Ion Phys., 1976, 22, 47. [all data]

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Notes

Go To: Top, Reaction thermochemistry data, References