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

CH2=CH anion


Reaction thermochemistry 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

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

C2H3- + Hydrogen cation = Ethylene

By formula: C2H3- + H+ = C2H4

Quantity Value Units Method Reference Comment
Deltar407. ± 2.kcal/molAVGN/AAverage of 5 out of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar401.00 ± 0.50kcal/molIMREErvin, Gronert, et al., 1990gas phase
Deltar399.1 ± 2.1kcal/molH-TSDePuy, Gronert, et al., 1989gas phase
Deltar398.6 ± 4.9kcal/molH-TSPeerboom, Rademaker, et al., 1992gas phase
Deltar>397.00kcal/molIMRBFroelicher, Freiser, et al., 1986gas phase

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ervin, Gronert, et al., 1990
Ervin, K.M.; Gronert, S.; Barlow, S.E.; Gilles, M.K.; Harrison, A.G.; Bierbaum, V.M.; DePuy, C.H.; Lin, W.C., Bonds Strengths of Ethylene and Acetylene, J. Am. Chem. Soc., 1990, 112, 15, 5750, https://doi.org/10.1021/ja00171a013 . [all data]

DePuy, Gronert, et al., 1989
DePuy, C.H.; Gronert, S.; Barlow, S.E.; Bierbaum, V.M.; Damrauer, R., The Gas Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1989, 111, 6, 1968, https://doi.org/10.1021/ja00188a003 . [all data]

Peerboom, Rademaker, et al., 1992
Peerboom, R.A.L.; Rademaker, G.J.; Dekoning, L.J.; Nibbering, N.M.M., Stabilization of Cycloalkyl Carbanions in the Gas Phase, Rapid Commun. Mass Spectrom., 1992, 6, 6, 394, https://doi.org/10.1002/rcm.1290060608 . [all data]

Froelicher, Freiser, et al., 1986
Froelicher, S.W.; Freiser, B.S.; Squires, R.R., The C3H5- isomers. Experimental and theoretical studies of the tautomeric propenyl ions and the cyclopropyl anion in the gas phase, J. Am. Chem. Soc., 1986, 108, 2853. [all data]


Notes

Go To: Top, Reaction thermochemistry data, References