FeH2


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, 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: John E. Bartmess

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

HFe- + Hydrogen cation = H2Fe

By formula: HFe- + H+ = H2Fe

Quantity Value Units Method Reference Comment
Δr1497.3kJ/molAcidStevens, Feigerle, et al., 1983gas phase

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, 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: John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
1.049 ± 0.014LPESMiller, Feigerle, et al., 1986 

De-protonation reactions

HFe- + Hydrogen cation = H2Fe

By formula: HFe- + H+ = H2Fe

Quantity Value Units Method Reference Comment
Δr1497.3kJ/molAcidStevens, Feigerle, et al., 1983gas phase

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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

Tx Ar 400 450 Ozin and McCaffrey, 1984
Rubinovitz and Nixon, 1986
Tx Kr 400 450 Ozin and McCaffrey, 1984
Rubinovitz and Nixon, 1986
Tx Xe 400 450 Ozin and McCaffrey, 1984
Rubinovitz and Nixon, 1986

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

Πu 2 Bend 335 Ar IR Rubinovitz and Nixon, 1986
2 Bend 322 Kr IR Ozin and McCaffrey, 1984
2 Bend 323 Xe IR Ozin and McCaffrey, 1984
Σu+ 3 FeH a-stretch 1674.72 gas LMR Korsgen, Murtz, et al., 1996
Korsgen, Urban, et al., 1999
3 FeH a-stretch 1660.8 Ar IR Rubinovitz and Nixon, 1986
Chertihin and Andrews, 1995
3 FeH a-stretch 1647 Kr IR Ozin and McCaffrey, 1984
Rubinovitz and Nixon, 1986
3 FeH a-stretch 1636 Xe IR Ozin and McCaffrey, 1984
Rubinovitz and Nixon, 1986

Additional references: Jacox, 1994, page 15; Jacox, 1998, page 126; Jacox, 2003, page 12; Miller, Feigerle, et al., 1986; Korsgen, Evenson, et al., 1997

Notes

xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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.

Stevens, Feigerle, et al., 1983
Stevens, A.E.; Feigerle, C.S.; Lineberger, W.C., Laser photoelectron spectroscopy of MnH- and FeH-: Electronic structures of the metal hydrides, identification of a low spin excited state of MnH, J. Chem. Phys., 1983, 78, 5420. [all data]

Miller, Feigerle, et al., 1986
Miller, A.E.S.; Feigerle, C.S.; Lineberger, W.C., Laser photoelectron spectrocopy of MnH2-, FeH2-, CoH2-, and NiH2-: Determination of the electron affinities for the metal dihydrides, J. Chem. Phys., 1986, 84, 4127. [all data]

Ozin and McCaffrey, 1984
Ozin, G.A.; McCaffrey, J.G., The photoreversible oxidative-addition, reductive-elimination reactions iron + molecular hydrogen .dblharw. iron hydride (FeH2) in low-temperature matrixes, J. Phys. Chem., 1984, 88, 4, 645, https://doi.org/10.1021/j150648a002 . [all data]

Rubinovitz and Nixon, 1986
Rubinovitz, R.L.; Nixon, E.R., The photochemical iron + molecular hydrogen reaction in argon and krypton matrixes by irradiation in the visible region, J. Phys. Chem., 1986, 90, 9, 1940, https://doi.org/10.1021/j100400a040 . [all data]

Korsgen, Murtz, et al., 1996
Korsgen, H.; Murtz, P.; Lipus, K.; Urban, W.; Towle, J.P.; Brown, J.M., The identification of the FeH2 radical in the gas phase by infrared spectroscopy, J. Chem. Phys., 1996, 104, 12, 4859, https://doi.org/10.1063/1.471180 . [all data]

Korsgen, Urban, et al., 1999
Korsgen, H.; Urban, W.; Brown, J.M., The infrared spectrum of FeH[sub 2], studied in the gas phase by laser magnetic resonance, J. Chem. Phys., 1999, 110, 8, 3861, https://doi.org/10.1063/1.478240 . [all data]

Chertihin and Andrews, 1995
Chertihin, G.V.; Andrews, L., Infrared Spectra of FeH, FeH2, and FeH3 in Solid Argon, J. Phys. Chem., 1995, 99, 32, 12131, https://doi.org/10.1021/j100032a013 . [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]

Korsgen, Evenson, et al., 1997
Korsgen, H.; Evenson, K.M.; Brown, J.M., The bending vibration of FeD[sub 2] at 226 cm[sup -1], detected by far-infrared laser magnetic resonance spectroscopy, J. Chem. Phys., 1997, 107, 3, 1025, https://doi.org/10.1063/1.474432 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References