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AsH2 anion


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

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Individual Reactions

H2As- + Hydrogen cation = Arsine

By formula: H2As- + H+ = H3As

Quantity Value Units Method Reference Comment
Deltar1496. ± 8.8kJ/molG+TSGal, Maria, et al., 1989gas phase
Deltar1497. ± 13.kJ/molD-EASmyth and Brauman, 1972gas phase
Deltar1514. ± 26.kJ/molG+TSWyatt, Holtz, et al., 1974gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale
Deltar<1505. ± 19.kJ/molEIAEEbinghaus, Kraus, et al., 1964gas phase; From AsH3
Deltar1502.1kJ/molN/ACheck, Faust, et al., 2001gas phase; CrOO-(q); ; «DELTA»S(EA)=1.7
Quantity Value Units Method Reference Comment
Deltar1464. ± 8.4kJ/molIMREGal, Maria, et al., 1989gas phase
Deltar1483. ± 25.kJ/molIMRBWyatt, Holtz, et al., 1974gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale
Deltar1473.6kJ/molN/ACheck, Faust, et al., 2001gas phase; CrOO-(q); ; «DELTA»S(EA)=1.7

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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 of neutral species

EAneutral (eV) Method Reference Comment
1.270 ± 0.030PDSmyth and Brauman, 1972 
<1.08 ± 0.24D-EAEbinghaus, Kraus, et al., 1964From AsH3
1.25583N/ACheck, Faust, et al., 2001CrOO-(q); ; «DELTA»S(EA)=1.7

Protonation reactions

H2As- + Hydrogen cation = Arsine

By formula: H2As- + H+ = H3As

Quantity Value Units Method Reference Comment
Deltar1496. ± 8.8kJ/molG+TSGal, Maria, et al., 1989gas phase
Deltar1497. ± 13.kJ/molD-EASmyth and Brauman, 1972gas phase
Deltar1514. ± 26.kJ/molG+TSWyatt, Holtz, et al., 1974gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale
Deltar<1505. ± 19.kJ/molEIAEEbinghaus, Kraus, et al., 1964gas phase; From AsH3
Deltar1502.1kJ/molN/ACheck, Faust, et al., 2001gas phase; CrOO-(q); ; «DELTA»S(EA)=1.7
Quantity Value Units Method Reference Comment
Deltar1464. ± 8.4kJ/molIMREGal, Maria, et al., 1989gas phase
Deltar1483. ± 25.kJ/molIMRBWyatt, Holtz, et al., 1974gas phase; Between PH3, H2S; value altered from reference due to change in acidity scale
Deltar1473.6kJ/molN/ACheck, Faust, et al., 2001gas phase; CrOO-(q); ; «DELTA»S(EA)=1.7

References

Go To: Top, Reaction thermochemistry data, 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.

Gal, Maria, et al., 1989
Gal, J.-F.; Maria, P.-C.; Decouzon, M., The Gas-Phase Acidity and Bond Dissociation Energies of Hydrogen Telluride, Int. J. Mass Spectrom. Ion Proc., 1989, 93, 1, 87, https://doi.org/10.1016/0168-1176(89)83076-9 . [all data]

Smyth and Brauman, 1972
Smyth, K.C.; Brauman, J.I., Photodetachment of electrons from amide and arsenide ions: The electron affinities of NH2 and AsH2., J. Chem. Phys., 1972, 56, 4620. [all data]

Wyatt, Holtz, et al., 1974
Wyatt, R.H.; Holtz, D.; McMahon, T.B.; Beauchamp, J.L., Acidity, basicity, and ion-molecule reactions of arsine in the gas phase by ICR spectroscopy, Inorg. Chem., 1974, 13, 1511. [all data]

Ebinghaus, Kraus, et al., 1964
Ebinghaus, H.; Kraus, K.; Neuert, H.; Muller-Duysing, W., Negative Ionen durch Elecktronenresonanzeinfang in PH3, AsH3, und SiH4, Z. Naturfor., 1964, 19A, 732. [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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