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PH2 anion


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: J.E. Bartmess

Protonation reactions

H2P- + Hydrogen cation = Phosphine

By formula: H2P- + H+ = H3P

Quantity Value Units Method Reference Comment
Deltar1522. ± 6.3kJ/molD-EAErvin and Lineberger, 2005gas phase; High level calcns( Curtiss, Raghavachari, et al., 1991, Ricca and Bauschlicher, 1998) give DH ca. 84
Deltar1551. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; The D-EA cycle does not close by 7 kcal/mol. The reason for this discrepancy is not known; value altered from reference due to change in acidity scale
Deltar1524. ± 19.kJ/molEIAEHalmann and Platzner, 1969gas phase
Deltar<1534. ± 19.kJ/molEIAEEbinghaus, Kraus, et al., 1964gas phase
Deltar1529.7kJ/molN/ACheck, Faust, et al., 2001gas phase; MnF5-(q); ; «DELTA»S(EA)=2.9
Quantity Value Units Method Reference Comment
Deltar1491. ± 6.7kJ/molH-TSErvin and Lineberger, 2005gas phase; High level calcns( Curtiss, Raghavachari, et al., 1991, Ricca and Bauschlicher, 1998) give DH ca. 84
Deltar1520. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; The D-EA cycle does not close by 7 kcal/mol. The reason for this discrepancy is not known; value altered from reference due to change in acidity scale
Deltar1500.8kJ/molN/ACheck, Faust, et al., 2001gas phase; MnF5-(q); ; «DELTA»S(EA)=2.9

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.

Ervin and Lineberger, 2005
Ervin, K.M.; Lineberger, W.C., Photoelectron spectroscopy of phosphorus hydride anions, J. Chem. Phys., 2005, 122, 19, 194303, https://doi.org/10.1063/1.1881153 . [all data]

Curtiss, Raghavachari, et al., 1991
Curtiss, L.A.; Raghavachari, K.; Trucks, G.W.; Pople, J.A., Gaussian-2 Theory for Molecular Energies of First- and Second-row Compounds, J. Chem. Phys., 1991, 94, 11, 7221, https://doi.org/10.1063/1.460205 . [all data]

Ricca and Bauschlicher, 1998
Ricca, A.; Bauschlicher, C.W., Jr., Accurate Heats of Formation for PHn, PHn+, and PHn-, Chem. Phys. Lett., 1998, 285, 5-6, 455, https://doi.org/10.1016/S0009-2614(97)01468-1 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Halmann and Platzner, 1969
Halmann, M.; Platzner, I., Negative Ions Produced by Electron Capture in Phosphine, J. Phys. Chem., 1969, 73, 12, 4376, https://doi.org/10.1021/j100846a062 . [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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