Gas phase ion energetics data

Go To: Top, 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 Si+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.15169eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)837.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity814.1kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
1.389517 ± 0.000044LPDBlondel, Chaibi, et al., 2005(28)Si: 1.3895213(13) eV; revised analysis of Blondel, Delsart, et al., 2001; B
1.38952LPDBlondel, Delsart, et al., 2001Given: 1.3895220(24) eV, or 11207.252(18) cm-1; B
1.389517 ± 0.000044LPDScheer, Bilodeau, et al., 1998Given: 1.389521(20) eV; B
1.3850 ± 0.0050LPESKasdan, Herbst, et al., 1975B

Ionization energy determinations

IE (eV) Method Reference Comment
8.15169EVALLide, 1992LL
8.152SKelly, 1987LBLHLM
8.2 ± 0.5EIMuenow, 1974LLK
8.15166 ± 0.00003SBrown, Tilford, et al., 1974LLK
8.1 ± 0.5EIGuido and Gigli, 1973LLK
8.5 ± 0.5EIHildenbrand, 1972LLK
8.15169SMoore, 1970RDSH


Go To: Top, 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.

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, . [all data]

Blondel, Chaibi, et al., 2005
Blondel, C.; Chaibi, W.; Delsart, C.; Drag, C.; Goldfarb, F.; Kroger, S., The electron affinities of O, Si, and S revisited with the photodetachment microscope, Eur. Phys. J. D, 2005, 33, 3, 335-342, . [all data]

Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F., Electron spectrometry at the mu eV level and the electron affinities of Si and F, J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, . [all data]

Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K., Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy, Phys. Rev. A, 1998, 58, 4, 2844-2856, . [all data]

Kasdan, Herbst, et al., 1975
Kasdan, A.; Herbst, E.; Lineberger, W.C., Laser photoelectron spectrometry of the negative ions of silicon and its hydrides, J. Chem. Phys., 1975, 62, 541. [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]

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

Muenow, 1974
Muenow, D.W., Mass spectrometric determination of the heats of formation and atomization energies of the molecules Ge2N and GeSiN, J. Chem. Phys., 1974, 60, 3382. [all data]

Brown, Tilford, et al., 1974
Brown, C.M.; Tilford, S.G.; Tousey, R.; Ginter, M.L., Absorption spectrum of Si I between 1500 and 1900 A, J. Opt. Soc. Am., 1974, 64, 1665. [all data]

Guido and Gigli, 1973
Guido, M.; Gigli, G., Mass spectrometric study of the CeSiC molecules, J. Chem. Phys., 1973, 59, 3437. [all data]

Hildenbrand, 1972
Hildenbrand, D.L., The gaseous equilibrium Ge + SiO = GeO + Si and the dissociation energy of SiO, High Temp. Sci., 1972, 4, 244. [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]


Go To: Top, Gas phase ion energetics data, References