Carbon monoxide

• Formula: CO
• Molecular weight: 28.0101
• IUPAC Standard InChI: InChI=1S/CO/c1-2 Copy

  
• IUPAC Standard InChIKey: UGFAIRIUMAVXCW-UHFFFAOYSA-N Copy
• CAS Registry Number: 630-08-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Carbon oxide (CO); CO; Exhaust gas; Flue gas; Carbonic oxide; Carbon oxide; Carbone (oxyde de); Carbonio (ossido di); Kohlenmonoxid; Kohlenoxyd; Koolmonoxyde; NA 9202; Oxyde de carbone; UN 1016; Wegla tlenek; Carbon monooxide
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data (reactions 101 to 150)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 151 to 200, reactions 201 to 249
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Constants of diatomic molecules
  • Fluid Properties
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
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Reaction thermochemistry data

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
MS - José A. Martinho Simões
B - John E. Bartmess
RCD - Robert C. Dunbar
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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 101 to 150

 (solution) +  (solution) = C₈H₇O₃V (solution) +  (solution)

By formula: C₉H₅O₄V (solution) + H₂ (solution) = C₈H₇O₃V (solution) + CO (solution)

 (solution) +  (solution) = C₈H₅N₂O₃V (solution) +  (solution)

By formula: C₉H₅O₄V (solution) + N₂ (solution) = C₈H₅N₂O₃V (solution) + CO (solution)

 +  = ( • )

By formula: O₂^- + CO = (O₂^- • CO)

 (solution) +  (solution) =  (solution) +  (solution)

By formula: C₉H₅O₄V (solution) + CO (solution) = C₉H₅O₄V (solution) + CO (solution)

 +  = ( • )

By formula: Cr⁺ + CO = (Cr⁺ • CO)

Enthalpy of reaction

(CFeO^- • 4294967295) +  = CFeO^-

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

C₇₃H₈₈N₈ORh₂ (solution) +  (solution) = C₇₄H₈₈N₈O₂Rh₂ (solution)

By formula: C₇₃H₈₈N₈ORh₂ (solution) + CO (solution) = C₇₄H₈₈N₈O₂Rh₂ (solution)

C₇₃H₈₈N₈ORh₂ (solution) +  (solution) = C₇₄H₈₈N₈O₂Rh₂ (solution)

By formula: C₇₃H₈₈N₈ORh₂ (solution) + CO (solution) = C₇₄H₈₈N₈O₂Rh₂ (solution)

( • 10) +  = ( • 11)

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

( • 11) +  = ( • 12)

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

( • 12) +  = ( • 13)

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

( • 13) +  = ( • 14)

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

( • 9) +  = ( • 10)

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

 (cr) = 12 (g) + 3 (cr)

By formula: C₁₂O₁₂Ru₃ (cr) = 12CO (g) + 3Ru (cr)

( • 5) +  = ( • 6)

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

( • 6) +  = ( • 7)

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

( • 7) +  = ( • 8)

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

( • 8) +  = ( • 9)

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

(CO⁺ • 11) +  = (CO⁺ • 12)

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

(CO⁺ • 12) +  = (CO⁺ • 13)

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

(CO⁺ • 13) +  = (CO⁺ • 14)

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

(CO⁺ • 14) +  = (CO⁺ • 15)

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

(CO⁺ • 15) +  = (CO⁺ • 16)

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

(CO⁺ • 16) +  = (CO⁺ • 17)

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

C₅CrO₅ (g) = C₄CrO₄ (g) +  (g)

By formula: C₅CrO₅ (g) = C₄CrO₄ (g) + CO (g)

C₅MoO₅ (g) = C₄MoO₄ (g) +  (g)

By formula: C₅MoO₅ (g) = C₄MoO₄ (g) + CO (g)

(CO⁺ • 9) +  = (CO⁺ • 10)

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

C₄MoO₄ (g) = C₃MoO₃ (g) +  (g)

By formula: C₄MoO₄ (g) = C₃MoO₃ (g) + CO (g)

( • 2) +  = ( • 3)

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

( • 3) +  = ( • 4)

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

( • 4) +  = ( • 5)

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

( • 5) +  = ( • 6)

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

( • 6) +  = ( • 7)

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

( • ) +  = ( • 2)

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

 +  = ( • )

By formula: CF₃⁺ + CO = (CF₃⁺ • CO)

=  + 

By formula: CBr₂O = CO + Br₂

C₂O₂Pt₃^- +  = C₃O₃Pt₃^-

By formula: C₂O₂Pt₃^- + CO = C₃O₃Pt₃^-

C₅O₅Pt₃^- +  = C₆O₆Pt₃^-

By formula: C₅O₅Pt₃^- + CO = C₆O₆Pt₃^-

(Ar⁺ • ) +  = (Ar⁺ • 2)

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

=  + 

By formula: COS = CO + S

Kr⁺ +  = (Kr⁺ • )

By formula: Kr⁺ + CO = (Kr⁺ • CO)

C₁₄H₁₀CrN₂O₄ (cr) = 2 (g) + 4 (g) +  (cr)

By formula: C₁₄H₁₀CrN₂O₄ (cr) = 2C₄H₄N₂ (g) + 4CO (g) + Cr (cr)

( • 2) +  = ( • 3)

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

( • ) +  = ( • 2)

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

C₈H₆MoO₃ (cr) + 2 (solution) = C₇H₅Br₃MoO₂ (solution) +  (solution) +  (solution)

By formula: C₈H₆MoO₃ (cr) + 2Br₂ (solution) = C₇H₅Br₃MoO₂ (solution) + HBr (solution) + CO (solution)

C₁₂Fe₃O₁₂ (cr) = 12 (g) + 3 (cr)

By formula: C₁₂Fe₃O₁₂ (cr) = 12CO (g) + 3Fe (cr)

C₆H₄FeO₄ (l) = 4 (g) +  (cr) +  (g)

By formula: C₆H₄FeO₄ (l) = 4CO (g) + Fe (cr) + C₂H₄ (g)

C₁₂Co₄O₁₂ (cr) = 12 (g) + 4 (cr)

By formula: C₁₂Co₄O₁₂ (cr) = 12CO (g) + 4Co (cr)

 (cr) = 10 (g) + 2 (cr)

By formula: C₁₀O₁₀Re₂ (cr) = 10CO (g) + 2Re (cr)

C₉Fe₂O₉ (cr) = 9 (g) + 2 (cr)

By formula: C₉Fe₂O₉ (cr) = 9CO (g) + 2Fe (cr)

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.

Johnson, Popov, et al., 1991
Johnson, F.P.A.; Popov, V.K.; George, M.W.; Bagratashvili, V.N.; Poliakoff, M.; Turner, J.J., Mendeleev Commun., 1991, 145.. [all data]

Adams and Bohme, 1970
Adams, N.G.; Bohme, D., Flowing Afterglow Studies of Formation and Reactions of Cluster Ions of O₂⁺, O₂^-, and O^-, J. Chem. Phys., 1970, 52, 6, 3133, https://doi.org/10.1063/1.1673449 . [all data]

Khan, Clemmer, et al., 1993
Khan, F.A.; Clemmer, D.E.; Schultz, R.H.; Armentrout, P.B., Sequential Bond Energies of Cr(CO)x+, x=1-6, J. Phys. Chem., 1993, 97, 30, 7978, https://doi.org/10.1021/j100132a029 . [all data]

Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L., Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [all data]

Villalta and Leopold, 1993
Villalta, P.W.; Leopold, D.G., A Study of FeCO- and the 3-Sigma(-) and 5-Sigma(-) States of FeCO by Negative Ion Photoelectron Spectroscopy, J. Chem. Phys., 1993, 98, 10, 7730, https://doi.org/10.1063/1.464580 . [all data]

Sunderlin, Wang, et al., 1992
Sunderlin, L.S.; Wang, D.; Squires, R.R., Metal Carbonyl Bond Strengths in Fe(CO)n- and Ni(CO)n-, J. Am. Chem. Soc., 1992, 114, 8, 2788, https://doi.org/10.1021/ja00034a004 . [all data]

Coffin, Brennen, et al., 1988
Coffin, V.L.; Brennen, W.; Wayland, B.B., J. Am. Chem. Soc., 1988, 110, 6063. [all data]

Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T., Gas Phase Stabilities of the Cluster Ions H+(CO)2(CO)n, H+(N2)2(N2)n and H+(O2)2(O2)n with n = 1 - 14, Chem. Phys., 1989, 137, 1-3, 345, https://doi.org/10.1016/0301-0104(89)87119-8 . [all data]

Baev, Connor, et al., 1981
Baev, A.K.; Connor, J.A.; El-Saied, N.I.; Skinner H.A., J. Organometal. Chem., 1981, 213, 151. [all data]

Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y., High temperature microcalorimetric studies of the thermal decomposition and iodination of polynuclear carbonyls of Fe, Co, Ru, Rh, Re, Os and Ir, Faraday Symp. Chem. Soc., 1973, 8, 18, https://doi.org/10.1039/fs9730800018 . [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Hiraoka and Mori, 1991
Hiraoka, K.; Mori, T., On the formation of the Isomeric Cluster Ions (CO)n+, J. Chem. Phys., 1991, 94, 4, 2697, https://doi.org/10.1063/1.459844 . [all data]

Rayner, Ishikawa, et al., 1991
Rayner, D.M.; Ishikawa, Y.; Brown, C.E.; Hackett, P.A., J. Chem. Phys., 1991, 94, 5471. [all data]

Venkataraman, Hou, et al., 1990
Venkataraman, B.; Hou, H.; Zhang, Z.; Chen, S.; Bandukwalla, G.; Vernon, M., J. Chem. Phys., 1990, 92, 5338. [all data]

Fletcher and Rosenfeld, 1988
Fletcher, R.T.; Rosenfeld, R.N., Recombination of Cr(CO)n with CO: Kinetics and Bond Dissociation Energies, J. Am. Chem. Soc., 1988, 110, 7, 2097, https://doi.org/10.1021/ja00215a014 . [all data]

Ganske and Rosenfeld, 1990
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Hiraoka, Nasu, et al., 1996
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S., Gas-Phase Stability and Structure of the Cluster Ions CF3+(CO)n, CF3+(N2)n, CF3+((CF4)n, and CF4H+(CF4)n, J. Phys. Chem., 1996, 100, 13, 5245, https://doi.org/10.1021/jp9530010 . [all data]

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Dunning, B.K.; Pritchard, H.O., The enthalpy of formation of bromophosgene, J. Chem. Thermodyn., 1972, 4, 213-218. [all data]

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Schumacher, H.-J.; Bergmann, P., Die kinetik und photochemie des bromphosgens, Z. Phys. Chem., 1931, 13, 269-284. [all data]

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Grushow, A.; Ervin, K.M., Ligand and Metal Binding Energies in Platinum Carbonyl Cluster Anions: Collision Induced Dissociation of PtM- and Ptm(CO)n-, J. Chem. Phys., 1997, 106, 23, 9580, https://doi.org/10.1063/1.474116 . [all data]

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Shi, Y.; Spasov, V.A.; Ervin, K.M., Photodesorption of carbonyl from Pt-3(CO)(n)(-) (n=1-6), Int. J. Mass Spectrom., 2001, 204, 1-3, 197-208, https://doi.org/10.1016/S1387-3806(00)00364-X . [all data]

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Norwood, K.; Guo, J.H.; Luo, G.; Ng, C.Y., A Study of Intramolecular Charge Transfer in Mixed Ar/Co Dimer and Trimer Ions Using the Photoion - Photoelectron Coincidence Method, Chem. Phys., 1989, 129, 1, 109, https://doi.org/10.1016/0301-0104(89)80023-0 . [all data]

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Praxmarer, C. Hansel; Jordan, A.; Kraus, H.; Lindinger, W., Reactions of Kr2+ with Various Neutrals, Int.J. Mass Spectrom. Ion. Proc., 1993, 129, 121, https://doi.org/10.1016/0168-1176(93)87036-R . [all data]

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Wadt, W.R., The Electronic States of Ar2+, Kr2+, Xe2+. I. Potential Curves with and without Spin-Orbit Coupling, J. Chem. Phys., 1978, 68, 2, 402, https://doi.org/10.1063/1.435773 . [all data]

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Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

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Walter, D.; Sievers, M.R.; Armentrout, P.B., Alkali Ion Carbonyls: Sequential Bond Energies of Li+(CO)x (x=1-3), Na+(CO)x (x=1, 2), and K+(CO), Int. J. Mass Spectrom., 1998, 175, 1-2, 93, https://doi.org/10.1016/S0168-1176(98)00109-8 . [all data]

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Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  T	Temperature
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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