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lanthanum


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to La+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)5.5770 ± 0.0006eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)1013.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity991.9kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.470 ± 0.020LPESCovington, Calabrese, et al., 1998B

Ionization energy determinations

IE (eV) Method Reference Comment
5.5770EVALLide, 1992LL
5.51 ± 0.09EIRauh and Ackermann, 1979LLK
5.5 ± 0.7EIHaque, Pelino, et al., 1979LLK
5.5770 ± 0.0006SMartin, Zalubas, et al., 1978LLK
5.6 ± 0.1EIRauh and Ackermann, 1975LLK
5.5 ± 0.2EIRauh and Ackermann, 1974LLK
6.9 ± 1.2EICocke, Gingerich, et al., 1973LLK
5.5770SMoore, 1970RDSH
5.55 ± 0.05SIHertel, 1968RDSH

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.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Covington, Calabrese, et al., 1998
Covington, A.M.; Calabrese, D.; Thompson, J.S.; Kvale, T.J., Measurement of the electron affinity of lanthanum, J. Phys. B: Atom. Mol. Opt. Phys., 1998, 31, 20, L855-L860, https://doi.org/10.1088/0953-4075/31/20/002 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Rauh and Ackermann, 1979
Rauh, E.G.; Ackermann, R.J., The first ionization potentials of the transition metals, J. Chem. Phys., 1979, 70, 1004. [all data]

Haque, Pelino, et al., 1979
Haque, R.; Pelino, M.; Gingerich, K.A., Investigation of the thermodynamic stability of the molecule LaIr(g) by high temperature mass spectrometry, J. Chem. Phys., 1979, 71, 2929. [all data]

Martin, Zalubas, et al., 1978
Martin, W.C.; Zalubas, R.; Hagan, L., Atomic energy levels - the rare earth elements, Natl. Stand. Ref. Data Ser. (U.S. Natl. Bur. Stand.), 1978, 60. [all data]

Rauh and Ackermann, 1975
Rauh, E.G.; Ackermann, R.J., The first ionization potentials of neptunium and neptunium monoxide, J. Chem. Phys., 1975, 62, 1584. [all data]

Rauh and Ackermann, 1974
Rauh, E.G.; Ackermann, R.J., First ionization potentials of some refractory oxide vapors, J. Chem. Phys., 1974, 60, 1396. [all data]

Cocke, Gingerich, et al., 1973
Cocke, D.L.; Gingerich, K.A.; Kordis, J., Determination of the high bond dissociation energy of the molecule LaRh, High Temp. Sci., 1973, 5, 474. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Hertel, 1968
Hertel, G.R., Surface ionization. III. The first ionization potentials of the lanthanides, J. Chem. Phys., 1968, 48, 2053. [all data]


Notes

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