Me2PCH2 anion


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics 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

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

C3H8P- + Hydrogen cation = Trimethylphosphine

By formula: C3H8P- + H+ = C3H9P

Quantity Value Units Method Reference Comment
ΔrH°1636. ± 8.8kJ/molG+TSIngemann and Nibbering, 1985gas phase
ΔrH°1612. ± 17.kJ/molG+TSRomer, Gatev, et al., 1998gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved
ΔrH°1607. ± 13.kJ/molG+TSGrabowski, Roy, et al., 1988gas phase; Between O-. and MeO-, nearer the latter.
Quantity Value Units Method Reference Comment
ΔrG°1606. ± 8.4kJ/molIMREIngemann and Nibbering, 1985gas phase
ΔrG°1582. ± 17.kJ/molIMRBRomer, Gatev, et al., 1998gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved
ΔrG°1577. ± 13.kJ/molIMRBGrabowski, Roy, et al., 1988gas phase; Between O-. and MeO-, nearer the latter.

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

C3H8P- + Hydrogen cation = Trimethylphosphine

By formula: C3H8P- + H+ = C3H9P

Quantity Value Units Method Reference Comment
ΔrH°1636. ± 8.8kJ/molG+TSIngemann and Nibbering, 1985gas phase
ΔrH°1612. ± 17.kJ/molG+TSRomer, Gatev, et al., 1998gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved
ΔrH°1607. ± 13.kJ/molG+TSGrabowski, Roy, et al., 1988gas phase; Between O-. and MeO-, nearer the latter.
Quantity Value Units Method Reference Comment
ΔrG°1606. ± 8.4kJ/molIMREIngemann and Nibbering, 1985gas phase
ΔrG°1582. ± 17.kJ/molIMRBRomer, Gatev, et al., 1998gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved
ΔrG°1577. ± 13.kJ/molIMRBGrabowski, Roy, et al., 1988gas phase; Between O-. and MeO-, nearer the latter.

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.

Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M., Gas-phase acidity of CH3X [X = P(CH3)2, SCH3, F, Cl, Br, I] compounds, J. Chem. Soc. Perkin Trans. 2, 1985, 837. [all data]

Romer, Gatev, et al., 1998
Romer, B.; Gatev, G.G.; Zhong, M.; Brauman, J.I., Alpha-Stabilization by Silyl and Phosphino Substitution, J. Am. Chem. Soc., 1998, 120, 12, 2919, https://doi.org/10.1021/ja970279s . [all data]

Ingemann and Nibbering, 1985, 2
Ingemann, S.; Nibbering, N.M.M., Gas phase chemistry of alpha-thio carbanions, Can. J. Chem., 1985, 62, 2273. [all data]

Grabowski, Roy, et al., 1988
Grabowski, J.J.; Roy, P.D.; Leone, R., Trimethylphosphine: Anion-Molecule Reactions and Acidity in the Gas Phase, J. Chem. Soc. Perkin Trans., 1988, 2, 8, 1627, https://doi.org/10.1039/p29880001627 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References


Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.