η2-Etheneiron tetracarbonyl
- Formula: C6H4FeO4
- Molecular weight: 195.939
- CAS Registry Number: 32799-25-0
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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 | -129.1 ± 2.2 | kcal/mol | Review | Martinho Simões | Selected data |
ΔfH°gas | -127.4 | 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
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
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°gas Enthalpy of formation of gas 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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