Iron tetracarbonyl
- Formula: C4FeO4
- Molecular weight: 167.885
- CAS Registry Number: 15281-98-8
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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 | -105.1 ± 3.4 | kcal/mol | Review | Martinho Simões |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, References, Notes
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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C4FeO4+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.34 ± 0.10 | LPES | Nakajima, Taguwa, et al., 1994 | Vertical Detachment Energy: 3.02±0.13 eV; B |
| 2.40 ± 0.30 | LPES | Engelking and Lineberger, 1979 | B |
| 2.08 ± 0.26 | EIAE | Compton and Stockdale, 1976 | Fe(CO)5 + e- -> Fe(CO)4- + CO 'near thermoneutral'; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.48 | EI | Pignataro and Lossing, 1968 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Notes
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]
Nakajima, Taguwa, et al., 1994
Nakajima, A.; Taguwa, T.; Kaya, K.,
Photoelectron Spectroscopy of Iron Carbonyl Cluster Anions (Fen(CO)m(-), n=1-4),
Chem. Phys. Lett., 1994, 221, 5-6, 436, https://doi.org/10.1016/0009-2614(94)00301-7
. [all data]
Engelking and Lineberger, 1979
Engelking, P.C.; Lineberger, W.C.,
Laser photoelectron spectrometry of the negative ions of iron and iron carbonyls. Electron affinity determination for the series Fe(CO)n,n=0,1,2,3,4,
J. Am. Chem. Soc., 1979, 101, 5569. [all data]
Compton and Stockdale, 1976
Compton, R.N.; Stockdale, J.A.D.,
Formation of gas phase negative ions in Fe(CO)5 and Ni(CO)4,
Int. J. Mass Spectrom. Ion Phys., 1976, 22, 47. [all data]
Pignataro and Lossing, 1968
Pignataro, S.; Lossing, F.P.,
Thermal decomposition of organometallic compounds in the ion source of a mass spectrometer,
J. Organometal. Chem., 1968, 11, 571. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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