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PH2 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

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

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

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

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.

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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