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scandium


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

(CAS Reg. No. 64924-57-8 bullet 4294967295scandium) + scandium = CAS Reg. No. 64924-57-8

By formula: (CAS Reg. No. 64924-57-8 bullet 4294967295Sc) + Sc = CAS Reg. No. 64924-57-8

Quantity Value Units Method Reference Comment
Deltar673.6 ± 4.6kJ/molN/AWu and Wang, 1998gas phase

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Wu and Wang, 1998
Wu, H.B.; Wang, L.S., Photoelectron spectroscopy and electronic structure of ScOn- (n = 1-4) and YOn- (n = 1-5): Strong electron correlation effects in ScO- and YO-, J. Phys. Chem. A, 1998, 102, 46, 9129-9135, https://doi.org/10.1021/jp982588q . [all data]

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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