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CH2=CH 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

C2H3- + Hydrogen cation = Ethylene

By formula: C2H3- + H+ = C2H4

Quantity Value Units Method Reference Comment
Deltar1704. ± 9.kJ/molAVGN/AAverage of 5 out of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar1677.8 ± 2.1kJ/molIMREErvin, Gronert, et al., 1990gas phase
Deltar1670. ± 8.8kJ/molH-TSDePuy, Gronert, et al., 1989gas phase
Deltar1668. ± 21.kJ/molH-TSPeerboom, Rademaker, et al., 1992gas phase
Deltar>1661.0kJ/molIMRBFroelicher, Freiser, et al., 1986gas phase

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

C2H3- + Hydrogen cation = Ethylene

By formula: C2H3- + H+ = C2H4

Quantity Value Units Method Reference Comment
Deltar1704. ± 9.kJ/molAVGN/AAverage of 5 out of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar1677.8 ± 2.1kJ/molIMREErvin, Gronert, et al., 1990gas phase
Deltar1670. ± 8.8kJ/molH-TSDePuy, Gronert, et al., 1989gas phase
Deltar1668. ± 21.kJ/molH-TSPeerboom, Rademaker, et al., 1992gas phase
Deltar>1661.0kJ/molIMRBFroelicher, Freiser, et al., 1986gas phase

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, 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

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