[Fe(Cp)(CO)2]2
- Formula: C14H10Fe2O4
- Molecular weight: 353.917
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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
C14H10Fe2O4 (solution) = 2C7H5FeO2 (solution)
By formula: C14H10Fe2O4 (solution) = 2C7H5FeO2 (solution)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >23.5 | kcal/mol | ES/EChem | Pugh and Meyer, 1988 | solvent: Acetonitrile; The lower limit is the reaction Gibbs energy |
ΔrH° | 23. | kcal/mol | KinS | Cutler and Rosenblum, 1976 | solvent: Benzene; The reaction enthalpy was derived from the activation enthalpy of the disproportionation reaction [Fe(Cp)(C5H4COMe)(CO)2]2(solution) = 0.5[Fe(Cp)(CO)2]2(solution) + 0.5[Fe(C5H5COMe)(CO)2]2(solution), 26.9 ± 2.7 kcal/mol, whose rate-determining step corresponds to Fe-Fe cleavage after isomerization of the complex with two bridging carbonyls to a "linear" (no bridging carbonyls) structure Cutler and Rosenblum, 1976. The enthalpy of this isomerization was estimated as 4.1 kcal/mol Cutler and Rosenblum, 1976 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pugh and Meyer, 1988
Pugh, J.R.; Meyer, T.J.,
J. Am. Chem. Soc., 1988, 110, 8245. [all data]
Cutler and Rosenblum, 1976
Cutler, A.R.; Rosenblum, M.,
J. Organometal. Chem., 1976, 120, 87. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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