Fe(CO)

Vibrational and/or electronic energy levels

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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: 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

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

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

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