Iron anion


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 as indicated in comments:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Δfgas401.75 ± 0.38kJ/molR-EALeopold and Lineberger, 1986B
Quantity Value Units Method Reference Comment
gas,1 bar180.19J/mol*KReviewChase, 1998Data last reviewed in June, 1984

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: 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

Fe- + Hydrogen cation = HFe

By formula: Fe- + H+ = HFe

Quantity Value Units Method Reference Comment
Δr1439. ± 18.kJ/molG+TSMiller, Miller, et al., 1993gas phase; Acidity stronger than EtCO2H, comparable to HCO2H.
Δr1454. ± 7.9kJ/molD-EALeopold and Lineberger, 1986gas phase
Δr1413. ± 13.kJ/molG+TSSallans, Lane, et al., 1985gas phase
Δr>1445. ± 21.kJ/molD-EACompton and Stockdale, 1976gas phase; From Fe(CO)5
Quantity Value Units Method Reference Comment
Δr1415. ± 17.kJ/molIMRBMiller, Miller, et al., 1993gas phase; Acidity stronger than EtCO2H, comparable to HCO2H.
Δr1431. ± 8.4kJ/molH-TSLeopold and Lineberger, 1986gas phase
Δr1389. ± 13.kJ/molIMRBSallans, Lane, et al., 1985gas phase

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 by: John E. Bartmess

Protonation reactions

Fe- + Hydrogen cation = HFe

By formula: Fe- + H+ = HFe

Quantity Value Units Method Reference Comment
Δr1439. ± 18.kJ/molG+TSMiller, Miller, et al., 1993gas phase; Acidity stronger than EtCO2H, comparable to HCO2H.
Δr1454. ± 7.9kJ/molD-EALeopold and Lineberger, 1986gas phase
Δr1413. ± 13.kJ/molG+TSSallans, Lane, et al., 1985gas phase
Δr>1445. ± 21.kJ/molD-EACompton and Stockdale, 1976gas phase; From Fe(CO)5
Quantity Value Units Method Reference Comment
Δr1415. ± 17.kJ/molIMRBMiller, Miller, et al., 1993gas phase; Acidity stronger than EtCO2H, comparable to HCO2H.
Δr1431. ± 8.4kJ/molH-TSLeopold and Lineberger, 1986gas phase
Δr1389. ± 13.kJ/molIMRBSallans, Lane, et al., 1985gas phase

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.

Leopold and Lineberger, 1986
Leopold, D.G.; Lineberger, W.C., A study of the low-lying electronic states of Fe2 and Co2 by negative ion photoelectron spectroscopy, J. Chem. Phys., 1986, 85, 51. [all data]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Miller, Miller, et al., 1993
Miller, A.E.S.; Miller, T.M.; Morris, R.A.; Viggiano, A.A.; Vandoren, J.M.; Paulson, J.F., Reactions of Fe- with Acids - Gas-Phase Acidity and Bond Energy of FeH, Int. J. Mass Spectrom. Ion Proc., 1993, 123, 3, 205, https://doi.org/10.1016/0168-1176(93)87099-E . [all data]

Sallans, Lane, et al., 1985
Sallans, L.; Lane, K.R.; Squires, R.R.; Freiser, B.S., Generation and reactions of atomic metal anions in the gas phase. Determination of the heterolytic and homolytic bond energies of VH, VrH, FeH, CoH, and MoH, J. Am. Chem. Soc., 1985, 107, 4379. [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]


Notes

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