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dihydrogen selenide


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:
B - John E. Bartmess
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

View reactions leading to H2Se+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.892 ± 0.005eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)169.2kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity161.7kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.886 ± 0.003PIGibson, Greene, et al., 1986LBLHLM
9.897 ± 0.002TEBorlin, Jungen, et al., 1986LBLHLM
10.00 ± 0.05EIBalkis, Gaines, et al., 1976LLK
9.93PENatalis, 1973LLK
9.88PEPotts and Price, 1972LLK
9.93PEDelwiche, Natalis, et al., 1970RDSH
9.882 ± 0.001SPrice, Teegan, et al., 1950RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
HSe+13.266 ± 0.007HPIGibson, Greene, et al., 1986LBLHLM
HSe+13.6 ± 0.2HEIBalkis, Gaines, et al., 1976LLK
HSe+13.8 ± 0.2HEIDixon, Holtz, et al., 1972LLK
Se+11.916 ± 0.006H2PIGibson, Greene, et al., 1986LBLHLM
Se+12.6 ± 0.1?EIDixon, Holtz, et al., 1972LLK

De-protonation reactions

HSe- + Hydrogen cation = dihydrogen selenide

By formula: HSe- + H+ = H2Se

Quantity Value Units Method Reference Comment
Deltar341.48 ± 0.70kcal/molD-EAStoneman and Larson, 1986gas phase; Wagman, Evans, et al., 1982 «DELTA»Hf(AH) = 7.1 kcal/mol; B
Deltar342.7 ± 9.1kcal/molG+TSDixon, Holtz, et al., 1972gas phase; Between H2S, HCl; value altered from reference due to change in acidity scale; B
Deltar340.50kcal/molN/ACheck, Faust, et al., 2001gas phase; MnO-(t); ; «DELTA»S(EA)=5.5; B
Quantity Value Units Method Reference Comment
Deltar335.19 ± 0.80kcal/molH-TSStoneman and Larson, 1986gas phase; Wagman, Evans, et al., 1982 «DELTA»Hf(AH) = 7.1 kcal/mol; B
Deltar336.4 ± 9.0kcal/molIMRBDixon, Holtz, et al., 1972gas phase; Between H2S, HCl; value altered from reference due to change in acidity scale; B
Deltar334.20kcal/molN/ACheck, Faust, et al., 2001gas phase; MnO-(t); ; «DELTA»S(EA)=5.5; B

References

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, https://doi.org/10.1063/1.556018 . [all data]

Gibson, Greene, et al., 1986
Gibson, S.T.; Greene, J.P.; Berkowitz, J., A photoionization study of SeH and H2Se, J. Chem. Phys., 1986, 85, 4815. [all data]

Borlin, Jungen, et al., 1986
Borlin, K.; Jungen, M.; Karlsson, L.; Maripuu, R., Photoionization of H2Se: High-resolution and threshold photoelectron spectra, Chem. Phys., 1986, 113, 309. [all data]

Balkis, Gaines, et al., 1976
Balkis, T.; Gaines, A.F.; Ozgen, G.; Ozgen, I.T.; Flowers, M.C., Ionization of hydrogen sul- phide, selenide and telluride by electron impact, J. Chem. Soc. Faraday Trans. 2, 1976, 72, 524. [all data]

Natalis, 1973
Natalis, P., Contribution a la spectroscopie photoelectronique. Effets de l'autoionisation dans less spectres photoelectroniques de molecules diatomiques et triatomiques, Acad. R. Belg. Mem. Cl. Sci. Collect. 8, 1973, 41, 1. [all data]

Potts and Price, 1972
Potts, A.W.; Price, W.C., Photoelectron spectra and valence shell orbital structures of groups V VI hydrides, Proc. R. Soc. London A:, 1972, 326, 181. [all data]

Delwiche, Natalis, et al., 1970
Delwiche, J.; Natalis, P.; Collin, J.E., High resolution photoelectron spectrometry of H2S and H2Se, Intern. J. Mass Spectrom. Ion Phys., 1970, 5, 443. [all data]

Price, Teegan, et al., 1950
Price, W.C.; Teegan, J.P.; Walsh, A.D., The far ultra-violet absorption spectra of the hydrides and deuterides of sulphur, selenium and tellurium and of the methyl derivatives of hydrogen sulphide, Proc. Roy. Soc. (London), 1950, A201, 600. [all data]

Dixon, Holtz, et al., 1972
Dixon, D.A.; Holtz, D.; Beauchamp, J.L., Acidity, basicity, and gas-phase ion chemistry of hydrogen selenide by ion cyclotron resonance spectroscopy, Inorg. Chem., 1972, 11, 960. [all data]

Stoneman and Larson, 1986
Stoneman, R.C.; Larson, D.J., Photodetachment spectroscopy of SeH- in a magnetic field, J. Phys. B:, 1986, 19, 405. [all data]

Wagman, Evans, et al., 1982
Wagman, D.D.; Evans, W.H.; Parker, V.B.; Schumm, R.H.; Halow, I.; Bailey, S.M.; Churney, K.L.; Nuttall, R.L., The NBS Tables of Chemical Thermodynamic Properties (NBS Tech Note 270), J. Phys. Chem. Ref. Data, Supl. 1, 1982, 11. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]


Notes

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