Selenium(IV) oxide

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Phase change 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.

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
430. to 590.8.329765199.75634.002Stull, 1947Coefficents calculated by NIST from author's data.

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:
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 O2Se+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.823 ± 0.040LPESSnodgrass, Coe, et al., 1989B

Ionization energy determinations

IE (eV) Method Reference Comment
11.5 ± 0.5EIFicalora, Thompson, et al., 1969RDSH
11.76PEPotts, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
SeO+13.0 ± 0.5OEIFicalora, Thompson, et al., 1969RDSH
Se+16.8 ± 0.5?EIFicalora, Thompson, et al., 1969RDSH

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.

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

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]

Ficalora, Thompson, et al., 1969
Ficalora, P.J.; Thompson, J.C.; Margrave, J.L., Mass spectrometric studies at high temperatures-XXVI.The sublimation of SeO, and SeO3, J. Inorg. Nucl. Chem., 1969, 31, 3771. [all data]

Potts, 1977
Potts, A.W., The valence electronic structure of SeO2 studied by UPS its relation to that of other group VIB dioxides, J. Electron Spectrosc. Relat. Phenom., 1977, 11, 157. [all data]


Notes

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