Mo(CO)5
- Formula: C5MoO5
- Molecular weight: 236.01
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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
(solution) = C5MoO5 (solution) +
(solution)
By formula: C6MoO6 (solution) = C5MoO5 (solution) + CO (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 31.7 ± 1.4 | kcal/mol | KinS | Graham and Angelici, 1967 | solvent: Decalin; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Mo(CO)6(solution) with PBu3(solution). |
| ΔrH° | 30.21 | kcal/mol | KinS | Werner and Prinz, 1966 | solvent: n-Decane+cyclohexane mixture; The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reactions of Mo(CO)6(solution) with a phosphine and an amine. The results were quoted from Graham and Angelici, 1967. |
(g) = C5MoO5 (g) +
(g)
By formula: C6MoO6 (g) = C5MoO5 (g) + CO (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 34.9 ± 5.0 | kcal/mol | KinG | Ganske and Rosenfeld, 1990 | |
| ΔrH° | 40.5 ± 3.0 | kcal/mol | LPHP | Lewis, Golden, et al., 1984 | The reaction enthalpy at 298 K relies on an activation energy of 39.01 kcal/mol and assumes a negligible activation barrier for product recombination. The enthalpy of formation relies on -218.8 ± 0.50 kcal/mol for the enthalpy of formation of Mo(CO)6(g) |
| ΔrH° | 30.21 | kcal/mol | KinG | Cetini and Gambino, 1963 | Please also see Graham and Angelici, 1967. The reaction enthalpy and entropy were identified with the enthalpy and entropy of activation for the reaction of Mo(CO)6(g) with CO(g) Cetini and Gambino, 1963. The results were quoted from Graham and Angelici, 1967. |
C12H16MoO5 (solution) = C5MoO5 (solution) + (solution)
By formula: C12H16MoO5 (solution) = C5MoO5 (solution) + C7H16 (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.70 | kcal/mol | N/A | Morse, Parker, et al., 1989 | solvent: Heptane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of Mo-CO bond in Mo(CO)6, 40.51 kcal/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction Mo(CO)6(solution) + n-C7H16(solution) = Mo(CO)5(n-C7H16)(solution) + CO(solution), 31.81 kcal/mol Morse, Parker, et al., 1989 |
C5MoO5Xe (g) = C5MoO5 (g) + (g)
By formula: C5MoO5Xe (g) = C5MoO5 (g) + Xe (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.0 ± 1.0 | kcal/mol | KinG | Wells and Weitz, 1992 | The reaction enthalpy relies on 7.4 ± 1.0 kcal/mol for the activation energy and on the assumption of a negligible barrier for product recombination Wells and Weitz, 1992 |
C5MoO5 (g) = C4MoO4 (g) + (g)
By formula: C5MoO5 (g) = C4MoO4 (g) + CO (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 29.49 | kcal/mol | KinG | Rayner, Ishikawa, et al., 1991 | |
| ΔrH° | 27.0 ± 5.0 | kcal/mol | KinG | Ganske and Rosenfeld, 1990 | |
| ΔrH° | 35. ± 15. | kcal/mol | MBPS | Venkataraman, Hou, et al., 1990 |
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.
Graham and Angelici, 1967
Graham, J.R.; Angelici, R.J.,
Inorg. Chem., 1967, 6, 2082. [all data]
Werner and Prinz, 1966
Werner, H.; Prinz, R.,
Chem. Ber., 1966, 99, 3582. [all data]
Ganske and Rosenfeld, 1990
Ganske, J.A.; Rosenfeld, R.N.,
J. Phys. Chem., 1990, 94, 4315. [all data]
Lewis, Golden, et al., 1984
Lewis, K.E.; Golden, D.M.; Smith, G.P.,
Organometallic bond dissociation energies: Laser pyrolysis of Fe(CO)5, Cr(CO)6, Mo(CO)6, and W(CO)6,
J. Am. Chem. Soc., 1984, 106, 3905. [all data]
Cetini and Gambino, 1963
Cetini, G.; Gambino, O.,
Atti Accad. Sci. Torino, Classe Sci. Fis. Mat. Nat., 1963, 97, 757. [all data]
Morse, Parker, et al., 1989
Morse, J.M., Jr.; Parker, G.H.; Burkey, T.J.,
Organometallics, 1989, 8, 2471. [all data]
Wells and Weitz, 1992
Wells, J.R.; Weitz, E.,
J. Am. Chem. Soc., 1992, 114, 2783. [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]
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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