Azide anion


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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

Azide anion + Hydrogen cation = Hydrogen azide

By formula: N3- + H+ = HN3

Quantity Value Units Method Reference Comment
Δr341.50 ± 0.71kcal/molD-EAYang, Kiran, et al., 2004gas phase; B
Δr344.0 ± 3.0kcal/molG+TSPellerite, Jackson, et al., 1981gas phase; Acidity near HCO2H; B
Δr339.0 ± 5.0kcal/molAcidFranklin, Dibeler, et al., 1958gas phase; From MeN3 and HN3; B
Quantity Value Units Method Reference Comment
Δr335.54 ± 0.81kcal/molH-TSYang, Kiran, et al., 2004gas phase; B
Δr338.0 ± 2.9kcal/molIMRBPellerite, Jackson, et al., 1981gas phase; Acidity near HCO2H; B

Azide anion + Water = H2N3O-

By formula: N3- + H2O = H2N3O-

Quantity Value Units Method Reference Comment
Δr11. ± 18.kcal/molN/AYang, Kiran, et al., 2004gas phase; Affinity: EA change (H2O)n-1..N3- ion. Vertical Detachment Energy: 3.25±0.03 eV; B

Cyanogen azide = Azide anion + Cyanide anion

By formula: CN4 = N3- + CN-

Quantity Value Units Method Reference Comment
Δr96. ± 2.kcal/molKinOkabe and Mele, 1969gas phase; Photodissociation; ALS

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 by: John E. Bartmess

Protonation reactions

Azide anion + Hydrogen cation = Hydrogen azide

By formula: N3- + H+ = HN3

Quantity Value Units Method Reference Comment
Δr341.50 ± 0.71kcal/molD-EAYang, Kiran, et al., 2004gas phase
Δr344.0 ± 3.0kcal/molG+TSPellerite, Jackson, et al., 1981gas phase; Acidity near HCO2H
Δr339.0 ± 5.0kcal/molAcidFranklin, Dibeler, et al., 1958gas phase; From MeN3 and HN3
Quantity Value Units Method Reference Comment
Δr335.54 ± 0.81kcal/molH-TSYang, Kiran, et al., 2004gas phase
Δr338.0 ± 2.9kcal/molIMRBPellerite, Jackson, et al., 1981gas phase; Acidity near HCO2H

Ion clustering 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Azide anion + Water = H2N3O-

By formula: N3- + H2O = H2N3O-

Quantity Value Units Method Reference Comment
Δr11. ± 18.kcal/molN/AYang, Kiran, et al., 2004gas phase; Affinity: EA change (H2O)n-1..N3- ion. Vertical Detachment Energy: 3.25±0.03 eV

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.

Yang, Kiran, et al., 2004
Yang, X.; Kiran, B.; Wang, X.B.; Wang, L.S.; Mucha, M.; Jungwirth, P., Solvation of the azide anion (N-3(-)) in water clusters and aqueous interfaces: A combined investigation by photoelectron spectroscopy, density functional calculations, and molecular dynamic, J. Phys. Chem. A, 2004, 108, 39, 7820-7826, https://doi.org/10.1021/jp0496396 . [all data]

Pellerite, Jackson, et al., 1981
Pellerite, M.J.; Jackson, R.L.; Brauman, J.I., Proton affinity of the gaseous azide Ion. The N-H bond dissociation enegry in HN3, J. Phys. Chem., 1981, 85, 1624. [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]

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]


Notes

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