Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

CH2=CCN anion


Gas phase ion energetics data

Go To: Top, 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

C3H2N- + Hydrogen cation = 2-Propenenitrile

By formula: C3H2N- + H+ = C3H3N

Quantity Value Units Method Reference Comment
Deltar1553. ± 9.2kJ/molG+TSBartmess, 1980gas phase; value altered from reference due to change in acidity scale
Deltar1524. ± 19.kJ/molEIAEHeni and Illenberger, 1986gas phase; From CH2=CHCN. G3MP2B3 calculations indicate a dHacdi ca. 374 kcal/mol
Quantity Value Units Method Reference Comment
Deltar1528. ± 8.4kJ/molIMREBartmess, 1980gas phase; value altered from reference due to change in acidity scale

References

Go To: Top, 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, 1980
Bartmess, J.E., Solvent effects on ion-molecule reactions. Vinyl anions vs. conjugate addition, J. Am. Chem. Soc., 1980, 102, 2483. [all data]

Heni and Illenberger, 1986
Heni, M.; Illenberger, E., Electron attachment by saturated nitriles. Acrylonitrile (CH2H3CN), and benzonitrile (C6H5CN), Int. J. Mass Spectrom. Ion Phys., 1986, 73, 127. [all data]


Notes

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