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Selenium dimer

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 as indicated in comments:
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 Se2+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.940 ± 0.070LPESSnodgrass, Coe, et al., 1989B

Ionization energy determinations

IE (eV) Method Reference Comment
8.6PEPotts and Novak, 1983LBLHLM
8.9 ± 0.2EIGrade, Wienecke, et al., 1983LBLHLM
8.70 ± 0.05PEStreets and Berkowitz, 1976LLK
~8.84SBarrow, Burton, et al., 1970RDSH
8.88 ± 0.03PIBerkowitz and Chupka, 1969RDSH
8.93PEPotts and Novak, 1983Vertical value; LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
Se+12.0 ± 0.5SeEIUy and Drowart, 1969RDSH
Se+13. ± 13.SePIBerkowitz and Chupka, 1969RDSH
Se+12.6 ± 0.5SeEIUy, Muenow, et al., 1968RDSH


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.

Snodgrass, Coe, et al., 1989
Snodgrass, J.T.; Coe, J.V.; McHugh, K.M.; Freidhoff, C.B.; Bowen, K.H., Photoelectron Spectroscopy of the Selenium and Tellurium Containing Negative Ions: SeO2-, Se2- and Te2-, J. Phys. Chem., 1989, 93, 4, 1249, https://doi.org/10.1021/j100341a016 . [all data]

Potts and Novak, 1983
Potts, A.W.; Novak, I., Ultraviolet photoelectron spectra of selenium and tellurium, J. Electron Spectrosc. Relat. Phenom., 1983, 28, 267. [all data]

Grade, Wienecke, et al., 1983
Grade, M.; Wienecke, J.; Rosinger, W.; Hirschwald, W., Electron impact investigation of the molecules SeS(g) and TeSe(g) under high-temperature equilibrium conditions, Ber. Bunsen-Ges. Phys. Chem., 1983, 87, 355. [all data]

Streets and Berkowitz, 1976
Streets, D.G.; Berkowitz, J., Photoelectron spectroscopy of Se2 and Te2, J. Electron Spectrosc. Relat. Phenom., 1976, 9, 269. [all data]

Barrow, Burton, et al., 1970
Barrow, R.F.; Burton, W.G.; Callomon, J.H., Absorption spectrum of gaseous 80Se2 in the region 51500-55000 cm-1, J. Chem. Soc. Faraday Trans., 1970, 66, 2685. [all data]

Berkowitz and Chupka, 1969
Berkowitz, J.; Chupka, W.A., Photoionization of high-temperature vapors. VI. S2, Se2, and Te2, J. Chem. Phys., 1969, 50, 4245. [all data]

Uy and Drowart, 1969
Uy, O.M.; Drowart, J., Mass spectrometric determination of the dissociation energies of the molecules BiO, BiS, BiSe and BiTe, J. Chem. Soc. Faraday Trans., 1969, 65, 3221. [all data]

Uy, Muenow, et al., 1968
Uy, O.M.; Muenow, D.W.; Ficalora, P.J.; Margrave, J.L., Mass spectrometric studies at high temperatures. Part 30. Vaporization of Ga2S3, Ga2Se3 and Ga2Te3, and stabilities of the gaseous gallium chalcogenides, J. Chem. Soc. Faraday Trans., 1968, 64, 2998. [all data]


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