Ethanamine, N-methyl-
- Formula: C3H9N
- Molecular weight: 59.1103
- IUPAC Standard InChI: InChI=1S/C3H9N/c1-3-4-2/h4H,3H2,1-2H3
- IUPAC Standard InChIKey: LIWAQLJGPBVORC-UHFFFAOYSA-N
- CAS Registry Number: 624-78-2
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethylamine, N-methyl-; Ethylmethylamine; Methylaminoethane; Methylethylamine; N-Methyl-N-ethylamine; N-Methylethylamine; (CH3)(C2H5)NH; N-Ethyl-N-methylamine; N-Methylethanamine
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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
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
C3H8N- + =
By formula: C3H8N- + H+ = C3H9N
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.1 ± 2.1 | kcal/mol | G+TS | Ingemann and Nibbering, 1985 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 387.4 ± 2.0 | kcal/mol | IMRE | Ingemann and Nibbering, 1985 | gas 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 225.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 217.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.15 | PE | Aue and Bowers, 1979 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C2H6N+ | 9.15 | CH3 | EI | Lossing, Lam, et al., 1981 | LLK |
| C2H6N+ | 8.49 ± 0.05 | CH3 | EI | Solka and Russell, 1974 | LLK |
De-protonation reactions
C3H8N- + =
By formula: C3H8N- + H+ = C3H9N
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.1 ± 2.1 | kcal/mol | G+TS | Ingemann and Nibbering, 1985 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 387.4 ± 2.0 | kcal/mol | IMRE | Ingemann and Nibbering, 1985 | gas phase; B |
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.
Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M.,
Gas-phase acidity of CH3X [X = P(CH3)2, SCH3, F, Cl, Br, I] compounds,
J. Chem. Soc. Perkin Trans. 2, 1985, 837. [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]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A.,
Gas phase heats of formation of alkyl immonium ions,
Can. J. Chem., 1981, 59, 2228. [all data]
Solka and Russell, 1974
Solka, B.H.; Russell, M.E.,
Energetics of formation of some structural isomers of gaseous C2H5O+ C2H6N+ ions,
J. Phys. Chem., 1974, 78, 1268. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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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