Dicobalt octacarbonyl
- Formula: C8Co2O8
- Molecular weight: 341.9472
- 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, Phase change data, Mass spectrum (electron ionization), 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. |
Phase change data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 15.6 ± 0.79 | kcal/mol | N/A | Pilcher and Skinner, 1983 | See also Cardner, Gartner, et al., 1975.; AC |
ΔsubH° | 15.6 ± 0.79 | kcal/mol | TD-HFC | Gardner, Cartner, et al., 1975 | Another value for the enthalpy of sublimation has been reported: 75.3±6.3 Cartner, Robinson, et al., 1973.; MS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
20.1 ± 0.1 | 271. | TE | Garner, Chandra, et al., 1995 | Based on data from 264. to 278. K.; AC |
24.81 | 301.5 | A | Stephenson and Malanowski, 1987 | Based on data from 288. to 315. K. See also Baev, 1968.; AC |
18.0 ± 1.5 | 207. to 287. | EM | Cartner, Robinson, et al., 1973, 2 | AC |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Chemical Concepts |
NIST MS number | 154491 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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]
Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A.,
Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2
. [all data]
Cardner, Gartner, et al., 1975
Cardner, Peter J.; Gartner, Anthony; Cunninghame, Robert G.; Robinson, Brian H.,
Bond energies in dicobalt octacarbonyl and bromo- and chloro-methylidynetricobalt enneacarbonyls,
J. Chem. Soc., Dalton Trans., 1975, 23, 2582, https://doi.org/10.1039/dt9750002582
. [all data]
Cartner, Robinson, et al., 1973
Cartner, A.; Robinson, B.; Gardner, P.J.,
J. Chem. Soc., Chem. Commun., 1973, 317.. [all data]
Garner, Chandra, et al., 1995
Garner, M.L.; Chandra, D.; Lau, K.H.,
Low-temperature vapor pressures of W-, Cr-, and Co-carbonyls,
JPE, 1995, 16, 1, 24-29, https://doi.org/10.1007/BF02646245
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Baev, 1968
Baev, A.K.,
Vestsi Akad. Navak BSSR, Ser. Khim. Navuk, 1968, 4, 76. [all data]
Cartner, Robinson, et al., 1973, 2
Cartner, Anthony; Robinson, Brian; Gardner, Peter J.,
Heat of formation of dicobalt octacarbonyl and the metal?carbon monoxide bond strength in carbonyls,
J. Chem. Soc., Chem. Commun., 1973, 9, 317b, https://doi.org/10.1039/c3973000317b
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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