N-Nitrosodimethylamine
- Formula: C2H6N2O
- Molecular weight: 74.0818
- IUPAC Standard InChI: InChI=1S/C2H6N2O/c1-4(2)3-5/h1-2H3
- IUPAC Standard InChIKey: UMFJAHHVKNCGLG-UHFFFAOYSA-N
- CAS Registry Number: 62-75-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Isotopologues:
- Other names: Methanamine, N-methyl-N-nitroso-; Dimethylamine, N-nitroso-; Dimethylnitrosamine; DMN; DMNA; N-Nitroso-N,N-Dimethylamine; (CH3)2NNO; Dimethylnitrosamin; Dimethylnitrosoamine; N-Methyl-N-nitrosomethanamine; N,N-Dimethylnitrosamine; NDMA; Nitrosodimethylamine; Rcra waste number P082; NSC 23226
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Gas phase ion energetics data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.69 | PE | White, Colton, et al., 1975 | LLK |
| 9.05 | PE | Kobayashi, 1975 | Vertical value; LLK |
| 9.09 | PE | Battiste, Davis, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C2H6N+ | 10.3 ± 0.05 | NO? | EI | Fisher and Henderson, 1967 | RDSH |
| C2H6N+ | 10.9 ± 0.1 | NO? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
| NO+ | 11.1 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
De-protonation reactions
C2H5N2O- + =
By formula: C2H5N2O- + H+ = C2H6N2O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 380.9 ± 2.1 | kcal/mol | G+TS | Ingemann and Nibbering, 1985 | gas phase; The experimental dHf(Me2NNO) { Korsunskii, Pepekin, et al., 1967} is incorrect: JEB, manuscript in preparation; value altered from reference due to change in acidity scale; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 373.8 ± 2.0 | kcal/mol | IMRE | Ingemann and Nibbering, 1985 | gas phase; The experimental dHf(Me2NNO) { Korsunskii, Pepekin, et al., 1967} is incorrect: JEB, manuscript in preparation; value altered from reference due to change in acidity scale; B |
References
Go To: Top, 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.
White, Colton, et al., 1975
White, M.G.; Colton, R.J.; Lee, T.H.; Rabalais, J.W.,
Electronic structure of N,N-dimethylnitramine and N,N-dimethylnitrosamine from X-ray and uv electron spectroscopy,
Chem. Phys., 1975, 8, 391. [all data]
Kobayashi, 1975
Kobayashi, T.,
Photoelectron spectra of N, N-dimethylnitrosamine and related compounds,
Russ. J. Phys. Chem., 1975, 97, 269. [all data]
Battiste, Davis, et al., 1975
Battiste, D.R.; Davis, L.P.; Nauman, R.V.,
Photoelectron spectroscopy and quantum chemical analysis of some «N»-nitrosamines,
J. Am. Chem. Soc., 1975, 97, 5071. [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]
Gowenlock, Jones, et al., 1961
Gowenlock, B.G.; Jones, P.P.; Majer, J.R.,
Bond dissociation energies in some molecules containing alkyl substituted CH3, NH2, and OH,
J. Chem. Soc. Faraday Trans., 1961, 57, 23. [all data]
Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M.,
Gas phase chemistry of dipole stabilized carbanions derived from N,N-dimethylthioformamide and N,N-dimethylnitrosamine,
Acta Chem. Scand., Ser. B, 1985, 39, 697. [all data]
Korsunskii, Pepekin, et al., 1967
Korsunskii, B.L.; Pepekin, V.I.; Lebedev, Yu.A.; Apin, A.Ya.,
Bull. Acad. Sci. USSR Div. Chem. Sci., 1967, 509. [all data]
Notes
Go To: Top, 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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