N-Methyl methanimine

• Formula: C₂H₅N
• Molecular weight: 43.0678
• CAS Registry Number: 1761-67-7
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

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

C₂H₄N^- +  = C₂H₅N

By formula: C₂H₄N^- + H⁺ = C₂H₅N

(CAS Reg. No. 34285-60-4 • 4294967295C₂H₅N) + C₂H₅N = CAS Reg. No. 34285-60-4

By formula: (CAS Reg. No. 34285-60-4 • 4294967295C₂H₅N) + C₂H₅N = CAS Reg. No. 34285-60-4

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₂H₅N⁺ (ion structure unspecified)

Ionization energy determinations

De-protonation reactions

C₂H₄N^- +  = C₂H₅N

By formula: C₂H₄N^- + H⁺ = C₂H₅N

References

Go To: Top, Gas phase thermochemistry data, 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.

Peerboom, Ingemann, et al., 1990
Peerboom, R.A.L.; Ingemann, S.; Nibbering, N.M.M.; Liebman, J.F., Proton affinities and heats of formation of the imines CH₂=NH, CH₂=NMe and PhCH=NH, J. Chem. Soc. Perkin Trans. 2, 1990, 1825-1828. [all data]

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]

MacKay, Hemsworth, et al., 1976
MacKay, G.J.; Hemsworth, R.S.; Bohme, D.K., Absolute gas-phase acidities of CH₃NH₂, C₂H₅NH₂, (CH₃)₂NH, and (CH₃)₃N, Can. J. Chem., 1976, 54, 1624. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Bock and Dammel, 1987
Bock, H.; Dammel, R., Methanimine RR"C=NR": Darstellung und photoelektronen-spektren, J. Am. Chem. Soc., 1987, 120, 1961. [all data]

Frost, MacDonald, et al., 1978
Frost, D.C.; MacDonald, B.; McDowell, C.A.; Westwood, N.P.C., Pyrolysis of trimethyl hexahydro-s-triazines. The photoelectron spectra of N-methylmethylenimine, CH₂=NCH₃, and C-methyl- methylenimine, CH₃CH=NH, J. Electron Spectrosc. Relat. Phenom., 1978, 14, 379. [all data]

Fisher and Henderson, 1967
Fisher, I.P.; Henderson, E., Mass spectrometry of free radicals, J. Chem. Soc. Faraday Trans., 1967, 63, 1342. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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