nPrCðC 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

C5H7- + Hydrogen cation = 1-Pentyne

By formula: C5H7- + H+ = C5H8

Quantity Value Units Method Reference Comment
Δr1589. ± 10.kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1556. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
2.90 ± 0.24D-EABartmess, Scott, et al., 1979value altered from reference due to change in acidity scale

Protonation reactions

C5H7- + Hydrogen cation = 1-Pentyne

By formula: C5H7- + H+ = C5H8

Quantity Value Units Method Reference Comment
Δr1589. ± 10.kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1556. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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.

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]


Notes

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