CH2NC 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

C2H2N- + Hydrogen cation = Methyl isocyanide

By formula: C2H2N- + H+ = C2H3N

Quantity Value Units Method Reference Comment
Δr1592. ± 8.8kJ/molG+TSMatimba, Crabbendam, et al., 1992gas phase
Δr1567. ± 8.8kJ/molG+TSFilley, DePuy, et al., 1987gas phase; Matimba, Crabbendam, et al., 1992 indicate that CN- loss interfered with equilibrium here.
Quantity Value Units Method Reference Comment
Δr1561. ± 8.4kJ/molIMREMatimba, Crabbendam, et al., 1992gas phase
Δr1536. ± 8.4kJ/molIMREFilley, DePuy, et al., 1987gas phase; Matimba, Crabbendam, et al., 1992 indicate that CN- loss interfered with equilibrium here.

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
1.059 ± 0.024LPESMoran, Ellis, et al., 1987 

Protonation reactions

C2H2N- + Hydrogen cation = Methyl isocyanide

By formula: C2H2N- + H+ = C2H3N

Quantity Value Units Method Reference Comment
Δr1592. ± 8.8kJ/molG+TSMatimba, Crabbendam, et al., 1992gas phase
Δr1567. ± 8.8kJ/molG+TSFilley, DePuy, et al., 1987gas phase; Matimba, Crabbendam, et al., 1992 indicate that CN- loss interfered with equilibrium here.
Quantity Value Units Method Reference Comment
Δr1561. ± 8.4kJ/molIMREMatimba, Crabbendam, et al., 1992gas phase
Δr1536. ± 8.4kJ/molIMREFilley, DePuy, et al., 1987gas phase; Matimba, Crabbendam, et al., 1992 indicate that CN- loss interfered with equilibrium here.

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.

Matimba, Crabbendam, et al., 1992
Matimba, H.E.K.; Crabbendam, A.M.; Ingemann, S.; Nibbering, N.M.M., Gas-phase Bimolecular Chemistry of the .-CHNC and .-CHCN Radical Anions, Int. J. Mass Spectrom. Ion Proc., 1992, 114, 1-2, 85, https://doi.org/10.1016/0168-1176(92)85024-T . [all data]

Filley, DePuy, et al., 1987
Filley, J.; DePuy, C.H.; Bierbaum, V.M., Gas-Phase Negative Ion Chemistry of Methyl Isocyanide, J. Am. Chem. Soc., 1987, 109, 20, 5992, https://doi.org/10.1021/ja00254a017 . [all data]

Moran, Ellis, et al., 1987
Moran, S.; Ellis, H.B., Jr.; DeFrees, D.J.; McLean, A.D.; Paulson, S.E.; Ellison, G.B., Carbanion spectroscopy: CH2NC-, J. Am. Chem. Soc., 1987, 109, 6004. [all data]


Notes

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