PhC(CN)2 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

C9H5N2- + Hydrogen cation = Malononitrile, phenyl-

By formula: C9H5N2- + H+ = C9H6N2

Quantity Value Units Method Reference Comment
Δr1340. ± 8.8kJ/molG+TSKoppel, Taft, et al., 1994gas phase
Δr1342. ± 8.8kJ/molG+TSTaft and Bordwell, 1988gas phase
Quantity Value Units Method Reference Comment
Δr1315. ± 8.4kJ/molIMREKoppel, Taft, et al., 1994gas phase
Δr1317. ± 8.4kJ/molIMRETaft and Bordwell, 1988gas phase

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
3.05 ± 0.10D-EAKoppel, Taft, et al., 1994 

Protonation reactions

C9H5N2- + Hydrogen cation = Malononitrile, phenyl-

By formula: C9H5N2- + H+ = C9H6N2

Quantity Value Units Method Reference Comment
Δr1340. ± 8.8kJ/molG+TSKoppel, Taft, et al., 1994gas phase
Δr1342. ± 8.8kJ/molG+TSTaft and Bordwell, 1988gas phase
Quantity Value Units Method Reference Comment
Δr1315. ± 8.4kJ/molIMREKoppel, Taft, et al., 1994gas phase
Δr1317. ± 8.4kJ/molIMRETaft and Bordwell, 1988gas phase

References

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

Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G., Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase, Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005 . [all data]


Notes

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