η2-Etheneiron tetracarbonyl
- Formula: C6H4FeO4
- Molecular weight: 195.939
- CAS Registry Number: 32799-25-0
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Condensed 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°liquid | -139.1 ± 2.0 | kcal/mol | Review | Martinho Simões | Selected data |
ΔfH°liquid | -137.4 | kcal/mol | Review | Martinho Simões |
Phase change 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 |
---|---|---|---|---|---|
ΔvapH° | 9.99 ± 0.96 | kcal/mol | HAL-HFC | Brown, Connor, et al., 1976 |
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
C6H4FeO4 (l) = 4 (g) + (cr) + (g)
By formula: C6H4FeO4 (l) = 4CO (g) + Fe (cr) + C2H4 (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.0 ± 2.0 | kcal/mol | HAL-HFC | Brown, Connor, et al., 1976 | |
ΔrH° | 44.31 | kcal/mol | TD-HFC | Brown, Connor, et al., 1976 |
Gas phase ion energetics 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.38 | PE | Van Dam and Oskam, 1979 | Vertical value; LLK |
8.4 | PE | Baerends, Oudshoorn, et al., 1975 | Vertical value; LLK |
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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Brown, Connor, et al., 1976
Brown, D.L.S.; Connor, J.A.; Leung, M.L.; Paz-Andrade, M.I.; Skinner, H.A.,
J. Organometal. Chem., 1976, 110, 79. [all data]
Van Dam and Oskam, 1979
Van Dam, H.; Oskam, A.,
A remeasurement of the UV photoelectron spectrum of Fe(CO)4 ethylene,
J. Electron Spectrosc. Relat. Phenom., 1979, 17, 357. [all data]
Baerends, Oudshoorn, et al., 1975
Baerends, E.J.; Oudshoorn, Ch.; Oskam, A.,
Photoelectron spectra and Xα calculations of iron pentacarbonyl and ethyleneiron tetracarbonyl,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 259. [all data]
Notes
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- Symbols used in this document:
ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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