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CH2=N 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

CH2N- + Hydrogen cation = Methanimine

By formula: CH2N- + H+ = CH3N

Quantity Value Units Method Reference Comment
Deltar388.3 ± 5.1kcal/molG+TSKass and DePuy, 1985gas phase
Quantity Value Units Method Reference Comment
Deltar381.0 ± 5.0kcal/molIMRBKass and DePuy, 1985gas 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

Protonation reactions

CH2N- + Hydrogen cation = Methanimine

By formula: CH2N- + H+ = CH3N

Quantity Value Units Method Reference Comment
Deltar388.3 ± 5.1kcal/molG+TSKass and DePuy, 1985gas phase
Quantity Value Units Method Reference Comment
Deltar381.0 ± 5.0kcal/molIMRBKass and DePuy, 1985gas phase

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Td = 4120 ± 65 gas Cowles, Travers, et al., 1991

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 3 CH2 scissors 1400 T gas PE Cowles, Travers, et al., 1991

Additional references: Jacox, 1994, page 143

Notes

TTentative assignment or approximate value
dPhotodissociation threshold

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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

Kass and DePuy, 1985
Kass, S.R.; DePuy, C.H., Gas phase ion chemistry of azides. The generation of CH=N- and CH2=NCH2-, J. Org. Chem., 1985, 50, 2874. [all data]

Cowles, Travers, et al., 1991
Cowles, D.C.; Travers, M.J.; Frueh, J.L.; Ellison, G.B., Photoelectron Spectroscopy of CH2N-, J. Chem. Phys., 1991, 94, 5, 3517, https://doi.org/10.1063/1.459773 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]


Notes

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