(E)-CH3N=NCH3
- Formula: C2H6N2
- Molecular weight: 58.0824
- IUPAC Standard InChI: InChI=1S/C2H6N2/c1-3-4-2/h1-2H3/b4-3+
- IUPAC Standard InChIKey: JCCAVOLDXDEODY-ONEGZZNKSA-N
- CAS Registry Number: 4143-41-3
- 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. - Stereoisomers:
- Other names: (E)-Dimethyldiazene
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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:
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 C2H6N2+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 206.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 199.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.45 ± 0.05 | PI | Foster, Williamson, et al., 1974 | LLK |
| ~8.20 | PE | Brundle, Robin, et al., 1972 | LLK |
| 8.7 ± 0.1 | PE | Haselbach and Heilbronner, 1970 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CH3+ | 11.32 ± 0.05 | CH3+N2 | PI | Foster, Williamson, et al., 1974 | LLK |
| CH3N2+ | 9.20 ± 0.03 | CH3 | PI | Foster, Williamson, et al., 1974 | LLK |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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| Source | Kortum and Rau, 1967 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 19769 |
| Instrument | Zeiss PMQ II |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Methyl Silicone | 50. | 386.8 | Görgényi, Fekete, et al., 1989 | 50. m/0.32 mm/1. μm, N2 |
References
Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, Gas Chromatography, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Foster, Williamson, et al., 1974
Foster, M.S.; Williamson, A.D.; Beauchamp, J.L.,
Photoionization mass spectrometry of trans-azomethane,
Int. J. Mass Spectrom. Ion Phys., 1974, 15, 429. [all data]
Brundle, Robin, et al., 1972
Brundle, C.R.; Robin, M.B.; Kuebler, N.A.; Basch, H.,
Perfluoro effect in photoelectron spectroscopy. I. Nonaromatic molecules,
J. Am. Chem. Soc., 1972, 94, 1451. [all data]
Haselbach and Heilbronner, 1970
Haselbach, E.; Heilbronner, E.,
Die PhotoelektronSpektren von CH3-CH≡CH-CH3, CH3-N≡CH-CH3, CH3-N≡N-CH3, ein Beitrag zur Frage nach der Wechselwirkung zwischen den einsamen Elektronenpaaren der trans-konfigurierten Azogruppe,
Helv. Chim. Acta, 1970, 53, 684. [all data]
Kortum and Rau, 1967
Kortum, G.; Rau, H.,
UV atlas of organic compounds, 1967, 3, C7/1. [all data]
Görgényi, Fekete, et al., 1989
Görgényi, M.; Fekete, Z.; Seres, L.,
Estimation and prediction of the retention indices of selected trans-diazenes,
Chromatographia, 1989, 27, 11/12, 581-584, https://doi.org/10.1007/BF02258982
. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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