Dicobalt octacarbonyl
- Formula: C8Co2O8
- Molecular weight: 341.9472
- IUPAC Standard InChI: InChI=1S/8CO.2Co/c8*1-2;;
- IUPAC Standard InChIKey: NFWSABSVGZVHCA-UHFFFAOYSA-N
- CAS Registry Number: 10210-68-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Cobalt, di-μ-carbonylhexacarbonyldi-, (Co-Co); Cobalt carbonyl (Co2(CO)8); Cobalt tetracarbonyl dimer; Di-μ-carbonylhexacarbonyldicobalt; Dicobalt carbonyl (Co2(CO)8); Octacarbonyldicobalt; Co2(CO)8; Cobalt carbonyl; Cobalt, di-μ-carbonylhexacarbonyldi-; Cobalt octacarbonyl
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Gas phase thermochemistry data
Go To: Top, Condensed phase 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 by: José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -282.7 ± 2.2 | kcal/mol | Review | Martinho Simões | |
| ΔfH°gas | -283.3 ± 2.2 | kcal/mol | Review | Martinho Simões | |
| ΔfH°gas | -283.0 ± 1.6 | kcal/mol | Review | Martinho Simões | Selected data. Average of the values from Connor, Skinner, et al., 1973 and Gardner, Cartner, et al., 1975. |
Condensed phase thermochemistry data
Go To: Top, Gas phase 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 by: José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -298.3 ± 2.0 | kcal/mol | Review | Martinho Simões | |
| ΔfH°solid | -298.9 ± 2.1 | kcal/mol | Review | Martinho Simões | |
| ΔfH°solid | -298.6 ± 1.5 | kcal/mol | Review | Martinho Simões | Selected data. Average of the values from Connor, Skinner, et al., 1973 and Gardner, Cartner, et al., 1975. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.3 ± 0.1 | EI | Bidinosti and McIntyre, 1970 | RDSH |
| 8.12 ± 0.22 | EI | Winters and Kiser, 1965 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CoCO+ | 14.4 ± 0.5 | ? | EI | Winters and Kiser, 1965 | RDSH |
| Co2CO+ | 16.7 ± 0.3 | 7CO | EI | Winters and Kiser, 1965 | RDSH |
| CoC2O2+ | 12.7 ± 0.4 | ? | EI | Winters and Kiser, 1965 | RDSH |
| Co2C2O2+ | 14.7 ± 0.5 | 6CO | EI | Winters and Kiser, 1965 | RDSH |
| CoC3O3+ | 10.9 ± 0.3 | ? | EI | Winters and Kiser, 1965 | RDSH |
| CoC4O4+ | 8.8 ± 0.1 | ? | EI | Bidinosti and McIntyre, 1967 | RDSH |
| Co2C4O4+ | 12.2 ± 0.3 | 4CO | EI | Winters and Kiser, 1965 | RDSH |
| Co2C5O5+ | 10.1 ± 0.4 | 3CO | EI | Winters and Kiser, 1965 | RDSH |
| Co2C6O6+ | 9.4 ± 0.3 | 2CO | EI | Winters and Kiser, 1965 | RDSH |
| Co2C7O7+ | 8.6 ± 0.3 | CO | EI | Winters and Kiser, 1965 | RDSH |
| Co+ | 16.9 ± 0.4 | ? | EI | Winters and Kiser, 1965 | RDSH |
| Co2+ | 17.8 ± 0.4 | 8CO | EI | Winters and Kiser, 1965 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [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]
Gardner, Cartner, et al., 1975
Gardner, P.J.; Cartner, A.; Cunninghame, R.G.; Robinson, B.H.,
J. Chem. Soc., Dalton Trans., 1975, 2582.. [all data]
Bidinosti and McIntyre, 1970
Bidinosti, D.R.; McIntyre, N.S.,
Mass spectrometric study of the thermal decomposition of dimanganese decacarbonyl and dicobalt octacarbonyl,
Can. J. Chem., 1970, 48, 593. [all data]
Winters and Kiser, 1965
Winters, R.E.; Kiser, R.W.,
Ions produced by electron impact with the dimetallic carbonyls of cobalt and manganese,
J. Phys. Chem., 1965, 69, 1618. [all data]
Bidinosti and McIntyre, 1967
Bidinosti, D.R.; McIntyre, N.S.,
The metal-metal bond dissociation energy in cobalt octacarbonyl,
Chem. Commun., 1967, 1. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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