Methyl azide
- Formula: CH3N3
- Molecular weight: 57.0546
- IUPAC Standard InChI: InChI=1S/CH3N3/c1-3-4-2/h1H3
- IUPAC Standard InChIKey: PBTHJVDBCFJQGG-UHFFFAOYSA-N
- CAS Registry Number: 624-90-8
- Chemical structure:
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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
L - 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 9.81 ± 0.02 | eV | N/A | N/A | L |
| Quantity | Value | Units | Method | Reference | Comment |
| Proton affinity (review) | 199. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 191.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.81 | PE | Bock, Dammel, et al., 1981 | LLK |
| 9.81 ± 0.02 | PE | Cradock, Ebsworth, et al., 1972 | LLK |
| 9.5 ± 0.1 | EI | Franklin, Dibeler, et al., 1958 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CHN+ | 13.6 ± 0.5 | N2+H2? | EI | Franklin, Dibeler, et al., 1958 | RDSH |
| CH2N+ | 10.5 ± 0.1 | N2+H | EI | Franklin, Dibeler, et al., 1958 | RDSH |
| CH3+ | 14.1 ± 0.1 | ? | EI | Franklin, Dibeler, et al., 1958 | RDSH |
| N3+ | 17.6 ± 0.5 | CH3 | EI | Franklin, Dibeler, et al., 1958 | RDSH |
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.
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, Dammel, et al., 1981
Bock, H.; Dammel, R.; Horner, L.,
Die pyrolyse von methylazid,
Chem. Ber., 1981, 114, 220. [all data]
Cradock, Ebsworth, et al., 1972
Cradock, S.; Ebsworth, E.A.V.; Murdoch, J.D.,
Photoelectron spectra of some Group 4 pseudohalides and related compounds,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 86. [all data]
Franklin, Dibeler, et al., 1958
Franklin, J.L.; Dibeler, V.H.; Reese, R.M.; Krauss, M.,
Ionization and dissociation of hydrazoic acid and methyl azide by electron impact,
J. Am. Chem. Soc., 1958, 80, 298. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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