Cr(CO)4
- Formula: C4CrO4
- Molecular weight: 164.0365
- CAS Registry Number: 56110-59-9
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Gas phase 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 by: José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -428. ± 25. | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on -644. ± 13. kJ/mol for the enthalpy of formation of Cr(CO)5(g) |
| ΔfH°gas | -366. ± 64. | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on -644. ± 13. kJ/mol for the enthalpy of formation of Cr(CO)5(g) |
| ΔfH°gas | -395. | kJ/mol | Review | Martinho Simões | The enthalpy of formation relies on -644. ± 13. kJ/mol for the enthalpy of formation of Cr(CO)5(g) |
Reaction thermochemistry data
Go To: Top, Gas 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 by: José A. Martinho Simões
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.
Individual Reactions
C5CrO5 (g) = C4CrO4 (g) + (g)
By formula: C5CrO5 (g) = C4CrO4 (g) + CO (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 138. | kJ/mol | KinG | Rayner, Ishikawa, et al., 1991 | |
| ΔrH° | 167. ± 63. | kJ/mol | MBPS | Venkataraman, Hou, et al., 1990 | |
| ΔrH° | 105. ± 21. | kJ/mol | KinG | Fletcher and Rosenfeld, 1988 |
C4CrO4 (g) = (g) + C3CrO3 (g)
By formula: C4CrO4 (g) = CO (g) + C3CrO3 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 163. | kJ/mol | KinG | Rayner, Ishikawa, et al., 1991 | |
| ΔrH° | 84. ± 63. | kJ/mol | MBPS | Venkataraman, Hou, et al., 1990 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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