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scandium


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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 Sc+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)6.56144 ± 0.00006eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)914.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity892.0kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.189 ± 0.020LPESFeigerle, Herman, et al., 1981B

Ionization energy determinations

IE (eV) Method Reference Comment
6.56144EVALLide, 1992LL
6.56144 ± 0.00006SKaufman and Sugar, 1988LL
6.56149SKelly, 1987LBLHLM
6.56PEDyke, Gravenor, et al., 1985LBLHLM
6.7 ± 0.5EIHaque and Gingerich, 1981LLK
6.7 ± 0.5EIHaque and Gingerich, 1979LLK
6.54SMoore, 1970RDSH

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]

Feigerle, Herman, et al., 1981
Feigerle, C.S.; Herman, Z.; Lineberger, W.C., Laser Photoelectron Spectroscopy of Sc- and Y-: A Determination of the Order of Electron Filling in Transition Metal Anions, J. Electron Spectros. Rel. Phenom., 1981, 23, 3, 441, https://doi.org/10.1016/0368-2048(81)85050-5 . [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]

Kaufman and Sugar, 1988
Kaufman, V.; Sugar, J., Wavelengths and energy level classifications of scandium spectra for all stages of ionization, J. Phys. Chem. Ref. Data, 1988, 17, 1679. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Dyke, Gravenor, et al., 1985
Dyke, J.M.; Gravenor, B.W.J.; Hastings, M.P.; Josland, G.D.; Morris, A., Gas phase high temperature photoelectron spectroscopy: An investigation of the transition metals scandium and vanadium, J. Electron Spectrosc. Relat. Phenom., 1985, 35, 65. [all data]

Haque and Gingerich, 1981
Haque, R.; Gingerich, K.A., Identification and atomization energies of gaseous molecules ScC2, ScC3, ScC4, ScC5, and ScC6 by high temperature mass spectrometry, J. Chem. Phys., 1981, 74, 6407. [all data]

Haque and Gingerich, 1979
Haque, R.; Gingerich, K.A., Investigation of the thermodynamic stabilities of the gaseous molecules RhScC, RhScC2 RhYC2 by Knudsen effusion mass spectrometry, J. Chem. Soc. Faraday Trans. 2, 1979, 985. [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]


Notes

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