Chromium,pentacarbonyl(pyridine)-
- Formula: C10H5CrNO5
- Molecular weight: 271.1465
- CAS Registry Number: 14740-77-3
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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 by: José A. Martinho Simões
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Individual Reactions
C10H5CrNO5 (solution) + (solution) =
(solution) +
(solution)
By formula: C10H5CrNO5 (solution) + CO (solution) = C6CrO6 (solution) + C4H4N2 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -61.9 | kJ/mol | KinS | Wovkulich and Atwood, 1980 | solvent: 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 |
C12H16CrO5 (solution) + (solution) =
(solution) + C10H5CrNO5 (solution)
By formula: C12H16CrO5 (solution) + C4H4N2 (solution) = C7H16 (solution) + C10H5CrNO5 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -84.1 ± 1.7 | kJ/mol | PAC | Yang, Vaida, et al., 1988 | solvent: Heptane |
C10H5CrNO5 (cr) + (g) =
(g) +
(g)
By formula: C10H5CrNO5 (cr) + CO (g) = C6CrO6 (g) + C4H4N2 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 75. ± 6. | kJ/mol | DSC | Daamen, van der Poel, et al., 1979 |
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.
Wovkulich and Atwood, 1980
Wovkulich, M.J.; Atwood, J.D.,
J. Organometal. Chem., 1980, 184, 77. [all data]
Dennenberg and Darensbourg, 1972
Dennenberg, R.J.; Darensbourg, D.J.,
Inorg. Chem., 1972, 11, 72. [all data]
Graham and Angelici, 1967
Graham, J.R.; Angelici, R.J.,
Inorg. Chem., 1967, 6, 2082. [all data]
Yang, Vaida, et al., 1988
Yang, G.K.; Vaida, V.; Peters, K.S.,
Polyhedron, 1988, 7, 1619. [all data]
Daamen, van der Poel, et al., 1979
Daamen, H.; van der Poel, H.; Stufkens, D.J.; Oskam, A.,
Thermochim. Acta, 1979, 34, 69. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
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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