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Selenium hexafluoride


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.

Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos

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
154.5 - 227.46.533111556.6610.902Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
24.96 ± 0.04205.COhta, Yamamuro, et al., 1996AC
23.5210.N/AKlemm and Henkel, 1932Based on data from 194. - 226. K.; AC

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 by: John E. Bartmess

Electron affinity determinations

EA (eV) Method Reference Comment
2.90 ± 0.20NBIECompton, Reinhardt, et al., 1978 

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   Oh     Symmetry Number sigma = 24


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1g 1 Sym str 707  B  ia 706.9 VS gas
eg 2 Deg str 659  B  ia 658.7 W gas
f1u 3 Deg str 780  C 780 gas  ia
f1u 4 Deg deform 437  C 437 gas  ia
f2g 5 Deg deform 405  C  ia 405 W gas
f2u 6 Deg deform 264  E  ia  ia OC(2«nu»6)

Source: Shimanouchi, 1972

Notes

VSVery strong
WWeak
iaInactive
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
E15~30 cm-1 uncertainty

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]

Ohta, Yamamuro, et al., 1996
Ohta, Tomoko; Yamamuro, Osamu; Matsuo, Takasuke; Suga, Hiroshi, Calorimetric Study of Phase Transitions in SeF 6 and WF 6 Crystals «8224», J. Phys. Chem., 1996, 100, 6, 2353-2359, https://doi.org/10.1021/jp9519979 . [all data]

Klemm and Henkel, 1932
Klemm, Wilhelm; Henkel, Paul, «65533»ber einige physikalische Eigenschaften von SF6, SeF6, TeF6 und CF4, Z. Anorg. Allg. Chem., 1932, 207, 1, 73-86, https://doi.org/10.1002/zaac.19322070107 . [all data]

Compton, Reinhardt, et al., 1978
Compton, R.N.; Reinhardt, P.W.; Cooper, C.D., Collisional ionization between fast alkali atoms and selected hexafluoride molecules, J. Chem. Phys., 1978, 68, 2023. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

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