Cyanogen azide
- Formula: CN4
- Molecular weight: 68.0375
- IUPAC Standard InChI: InChI=1S/CN4/c2-1-4-5-3
- IUPAC Standard InChIKey: KWEDUNSJJZVRKR-UHFFFAOYSA-N
- CAS Registry Number: 764-05-6
- Chemical structure:
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 108. ± 5. | kcal/mol | Kin | Okabe and Mele, 1969 | Photodissociation |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
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| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 96. ± 2. | kcal/mol | Kin | Okabe and Mele, 1969 | gas phase; Photodissociation |
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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 11.00 ± 0.01 | PE | Frost, Kroto, et al., 1977 | LLK |
| 10.96 | PE | Bak, Jansen, et al., 1975 | Vertical value; LLK |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Okabe and Mele, 1969
Okabe, H.; Mele, A.,
Photodissociation of NCN3 in the vacuum-ultraviolet production of CN B2Σ and NCN A3II,
J. Chem. Phys., 1969, 51, 2100-2106. [all data]
Frost, Kroto, et al., 1977
Frost, D.C.; Kroto, H.W.; McDowell, C.A.; Westwood, N.P.C.,
The HeI photoelectron spectra of the isoelectronic molecules, cyanogen azide, NCN3, and cyanogen isocyanate, NCNCO,
J. Electron Spectrosc. Relat. Phenom., 1977, 11, 147. [all data]
Bak, Jansen, et al., 1975
Bak, B.; Jansen, P.; Stafast, H.,
Cyanogen azide: ionisation potentials AB and initio SCF MO calculation,
Chem. Phys. Lett., 1975, 35, 247. [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 ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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