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dihydrogen selenide


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
157.8 - 232.13.61665596.484-66.353Stull, 1947Coefficents calculated by NIST from author's data.

Reaction thermochemistry 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

HSe- + Hydrogen cation = dihydrogen selenide

By formula: HSe- + H+ = H2Se

Quantity Value Units Method Reference Comment
Deltar1428.8 ± 2.9kJ/molD-EAStoneman and Larson, 1986gas phase; Wagman, Evans, et al., 1982 «DELTA»Hf(AH) = 7.1 kcal/mol
Deltar1434. ± 38.kJ/molG+TSDixon, Holtz, et al., 1972gas phase; Between H2S, HCl; value altered from reference due to change in acidity scale
Deltar1424.7kJ/molN/ACheck, Faust, et al., 2001gas phase; MnO-(t); ; «DELTA»S(EA)=5.5
Quantity Value Units Method Reference Comment
Deltar1402.4 ± 3.3kJ/molH-TSStoneman and Larson, 1986gas phase; Wagman, Evans, et al., 1982 «DELTA»Hf(AH) = 7.1 kcal/mol
Deltar1407. ± 38.kJ/molIMRBDixon, Holtz, et al., 1972gas phase; Between H2S, HCl; value altered from reference due to change in acidity scale
Deltar1398.3kJ/molN/ACheck, Faust, et al., 2001gas phase; MnO-(t); ; «DELTA»S(EA)=5.5

Nitrogen oxide anion + dihydrogen selenide = (Nitrogen oxide anion bullet dihydrogen selenide)

By formula: NO2- + H2Se = (NO2- bullet H2Se)

Quantity Value Units Method Reference Comment
Deltar87.4 ± 4.2kJ/molTDEqWlodek, Luczynski, et al., 1983gas phase; Equilibration with SO2..NO2-
Quantity Value Units Method Reference Comment
Deltar43. ± 15.kJ/molTDEqWlodek, Luczynski, et al., 1983gas phase; Equilibration with SO2..NO2-

(Nitrogen oxide anion bullet 2dihydrogen selenide) + dihydrogen selenide = (Nitrogen oxide anion bullet 3dihydrogen selenide)

By formula: (NO2- bullet 2H2Se) + H2Se = (NO2- bullet 3H2Se)

Quantity Value Units Method Reference Comment
Deltar30.5 ± 2.9kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase
Quantity Value Units Method Reference Comment
Deltar13.0 ± 2.1kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase

(NO3 anion bullet dihydrogen selenide) + dihydrogen selenide = (NO3 anion bullet 2dihydrogen selenide)

By formula: (NO3- bullet H2Se) + H2Se = (NO3- bullet 2H2Se)

Quantity Value Units Method Reference Comment
Deltar30.1 ± 2.1kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase
Quantity Value Units Method Reference Comment
Deltar19.2 ± 2.9kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase

(Nitrogen oxide anion bullet dihydrogen selenide) + dihydrogen selenide = (Nitrogen oxide anion bullet 2dihydrogen selenide)

By formula: (NO2- bullet H2Se) + H2Se = (NO2- bullet 2H2Se)

Quantity Value Units Method Reference Comment
Deltar35.6 ± 2.1kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase
Quantity Value Units Method Reference Comment
Deltar19.7 ± 1.3kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase

NO3 anion + dihydrogen selenide = (NO3 anion bullet dihydrogen selenide)

By formula: NO3- + H2Se = (NO3- bullet H2Se)

Quantity Value Units Method Reference Comment
Deltar72.0 ± 2.5kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase
Quantity Value Units Method Reference Comment
Deltar31.8 ± 2.1kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase

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:   C2nu     Symmetry Number sigma = 2


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

a1 1 Sym str 2345  B 2344.5 S gas
a1 2 Bend 1034  A 1034.2 S gas
b1 3 Anti str 2358  B 2357.8 S gas

Source: Shimanouchi, 1972

Notes

SStrong
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty

References

Go To: Top, Phase change data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

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]

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]

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]

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]

Wlodek, Luczynski, et al., 1983
Wlodek, S.; Luczynski, Z.; Wincel, H., Gas - Phase Solvation of NO2- and NO3- by Ethyl Nitrate, Int. J. Mass Spectrom. Ion Phys., 1983, 52, 2-3, 149, https://doi.org/10.1016/0020-7381(83)85036-0 . [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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