Fe(CO)
- Formula: CFeO
- Molecular weight: 83.855
- CAS Registry Number: 71701-40-1
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Reaction thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
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
C2FeO2 (g) = (g) + CFeO (g)
By formula: C2FeO2 (g) = CO (g) + CFeO (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 154. ± 15. | kJ/mol | FA-SIFT | Sunderlin, Wang, et al., 1992 | |
ΔrH° | >113. | kJ/mol | N/A | Venkataraman, Bandukwalla, et al., 1989 | Method: Velocity distributions of photofragments from Fe(CO)5. |
ΔrH° | 100. ± 29. | kJ/mol | N/A | Engelking and Lineberger, 1979 | Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons. |
By formula: CFeO (g) = CO (g) + Fe (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 35. ± 15. | kJ/mol | FA-SIFT | Sunderlin, Wang, et al., 1992 | |
ΔrH° | <163. | kJ/mol | N/A | Venkataraman, Bandukwalla, et al., 1989 | Method: Velocity distributions of photofragments from Fe(CO)5. |
ΔrH° | 87. ± 29. | kJ/mol | N/A | Engelking and Lineberger, 1979 | Please also see Compton and Stockdale, 1976. Method: LPS and collision with low energy electrons. |
Vibrational and/or electronic energy levels
Go To: Top, Reaction 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 by: Marilyn E. Jacox
State: a
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 1135 ± 25 | gas | Villalta and Leopold, 1993 | |||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | CO stretch | 1990 ± 15 | gas | PE | Villalta and Leopold, 1993 | |
Π | 2 | Bend | 180 ± 60 | gas | PE | Villalta and Leopold, 1993 | |
Σ+ | 3 | FeC stretch | 460 ± 15 | gas | PE | Villalta and Leopold, 1993 | |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Σ+ | 1 | CO stretch | 1946.47 | gas | IR PE | Ryther and Weitz, 1991 Villalta and Leopold, 1993 Tanaka, Sakaguchi, et al., 1997 | |
1 | CO stretch | 1933.7 | Ne | IR | Zhou and Andrews, 1999 | ||
1 | CO stretch | 1922.0 | T | Ar | IR | Zhou, Chertihin, et al., 1998 | |
Π | 2 | Bend | 330 ± 50 | gas | PE | Kasai, Obi, et al., 1995 | |
Σ+ | 3 | FeC stretch | 530 ± 10 | gas | PE | Kasai, Obi, et al., 1995 | |
Additional references: Jacox, 1994, page 63; Jacox, 1998, page 167; Jacox, 2003, page 66; Tanaka, Shirasaka, et al., 1997; Kagi, Kasai, et al., 1997
Notes
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sunderlin, Wang, et al., 1992
Sunderlin, L.S.; Wang, D.; Squires, R.R.,
Metal Carbonyl Bond Strengths in Fe(CO)n- and Ni(CO)n-,
J. Am. Chem. Soc., 1992, 114, 8, 2788, https://doi.org/10.1021/ja00034a004
. [all data]
Venkataraman, Bandukwalla, et al., 1989
Venkataraman, B.K.; Bandukwalla, G.; Zhang, Z.; Vernon, M.,
J. Chem. Phys., 1989, 90, 5510. [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]
Villalta and Leopold, 1993
Villalta, P.W.; Leopold, D.G.,
A Study of FeCO- and the 3-Sigma(-) and 5-Sigma(-) States of FeCO by Negative Ion Photoelectron Spectroscopy,
J. Chem. Phys., 1993, 98, 10, 7730, https://doi.org/10.1063/1.464580
. [all data]
Ryther and Weitz, 1991
Ryther, R.J.; Weitz, E.,
Reaction kinetics of coordinatively unsaturated iron carbonyls formed on gas-phase excimer laser photolysis of iron pentacarbonyl,
J. Phys. Chem., 1991, 95, 24, 9841, https://doi.org/10.1021/j100177a043
. [all data]
Tanaka, Sakaguchi, et al., 1997
Tanaka, K.; Sakaguchi, K.; Tanaka, T.,
Time-resolved infrared diode laser spectroscopy of the ν1 band of the iron carbonyl radical (FeCO) produced by the ultraviolet photolysis of Fe(CO)5,
J. Chem. Phys., 1997, 106, 6, 2118, https://doi.org/10.1063/1.473143
. [all data]
Zhou and Andrews, 1999
Zhou, M.; Andrews, L.,
Reactions of laser-ablated iron atoms and cations with carbon monoxide: Infrared spectra of FeCO[sup +], Fe(CO)[sub 2][sup +], Fe(CO)[sub x], and Fe(CO)[sub x][sup -] (x=1--4) in solid neon,
J. Chem. Phys., 1999, 110, 21, 10370, https://doi.org/10.1063/1.478970
. [all data]
Zhou, Chertihin, et al., 1998
Zhou, M.; Chertihin, G.V.; Andrews, L.,
Reactions of laser-ablated iron atoms with carbon monoxide: Infrared spectra and density functional calculations of Fe[sub x]CO, Fe(CO)[sub x], and Fe(CO)[sub x][sup -] (x=1,2,3) in solid argon,
J. Chem. Phys., 1998, 109, 24, 10893, https://doi.org/10.1063/1.477785
. [all data]
Kasai, Obi, et al., 1995
Kasai, Y.; Obi, K.; Ohshima, Y.; Endo, Y.; Kawaguchi, K.,
Pure rotational spectrum of FeCO,
J. Chem. Phys., 1995, 103, 1, 90, https://doi.org/10.1063/1.469626
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Tanaka, Shirasaka, et al., 1997
Tanaka, K.; Shirasaka, M.; Tanaka, T.,
J. Chem. Phys., 1997, 106, 6821. [all data]
Kagi, Kasai, et al., 1997
Kagi, E.; Kasai, Y.; Ungerechts, H.; Kawaguchi, K.,
Astronomical Search and Laboratory Spectroscopy of the FeCO Radical,
Astrophys. J., 1997, 488, 2, 776, https://doi.org/10.1086/304735
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References
- 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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