Nitrogen

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Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
MS - José A. Martinho Simões
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.

Reactions 1 to 50

Nitric oxide anion + Nitrogen = (Nitric oxide anion • Nitrogen)

By formula: NO- + N2 = (NO- • N2)

Quantity Value Units Method Reference Comment
Δr4.6 ± 0.3kcal/molPHPMSHiraoka and Yamabe, 1989gas phase; M
Δr4.7kcal/molDTGheno and Fitaire, 1987gas phase; ΔrS+-2.9 cal/mol*K; M
Δr4.4kcal/molHPMSSpeller, Fitaire, et al., 1983gas phase; Entropy change is questionable; M
Δr5.2kcal/molHPMSTurner and Conway, 1976gas phase; M
Δr4.5kcal/molDTJohnsen, Huang, et al., 1975gas phase; corrected for ln T by Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
Δr17.0cal/mol*KPHPMSHiraoka and Yamabe, 1989gas phase; M
Δr13.8cal/mol*KDTGheno and Fitaire, 1987gas phase; ΔrS+-2.9 cal/mol*K; M
Δr13.3cal/mol*KHPMSSpeller, Fitaire, et al., 1983gas phase; Entropy change is questionable; M
Δr18.9cal/mol*KHPMSTurner and Conway, 1976gas phase; M
Δr15.7cal/mol*KDTJohnsen, Huang, et al., 1975gas phase; corrected for ln T by Keesee and Castleman, 1986; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.5200.FADunkin, Fehsenfeld, et al., 1971gas phase; M

Nitrogen cation + Nitrogen = (Nitrogen cation • Nitrogen)

By formula: N2+ + N2 = (N2+ • N2)

Quantity Value Units Method Reference Comment
Δr24.4 to 24.4kcal/molRNGN/ARange of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δr21.0cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr16.2cal/mol*KPHPMSTeng and Conway, 1973gas phase; M
Δr19.5cal/mol*KPHPMSPayzant and Kebarle, 1970gas phase; M
Δr11.cal/mol*KDTVarney, 1968gas phase; Entropy change is questionable; M
Δr-1.cal/mol*KDTVarney, 1959gas phase; Entropy change is questionable; M

Oxygen cation + Nitrogen = (Oxygen cation • Nitrogen)

By formula: O2+ + N2 = (O2+ • N2)

Quantity Value Units Method Reference Comment
Δr5.0 ± 0.3kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr5.2kcal/molHPMSSpeller and Fitaire, 1983gas phase; M
Δr5.7kcal/molPHPMSJanik and Conway, 1967gas phase; M
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr15.8cal/mol*KHPMSSpeller and Fitaire, 1983gas phase; M
Δr18.9cal/mol*KPHPMSJanik and Conway, 1967gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.0296.FAHoward, Bierbaum, et al., 1972gas phase; M

(HN2+ • 4Nitrogen) + Nitrogen = (HN2+ • 5Nitrogen)

By formula: (HN2+ • 4N2) + N2 = (HN2+ • 5N2)

Quantity Value Units Method Reference Comment
Δr3.0 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr3.2kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr22.9cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr20.cal/mol*KN/AHiraoka, Saluja, et al., 1979gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
1.492.PHPMSHiraoka, Saluja, et al., 1979gas phase; Entropy change calculated or estimated; M

(Oxygen anion • 7Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 8Nitrogen • Oxygen)

By formula: (O2- • 7N2 • O2) + N2 = (O2- • 8N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.3kcal/molPHPMSHiraoka, 1988gas phase; M
Δr1.53kcal/molPHPMSHiraoka, 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr17.9cal/mol*KPHPMSHiraoka, 1988gas phase; M
Δr18.0cal/mol*KN/AHiraoka, 1988gas phase; Entropy change calculated or estimated; M

(Oxygen cation • 2Nitrogen) + Nitrogen = (Oxygen cation • 3Nitrogen)

By formula: (O2+ • 2N2) + N2 = (O2+ • 3N2)

Quantity Value Units Method Reference Comment
Δr4.2 ± 0.3kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr3.5kcal/molHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr19.6cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr12.1cal/mol*KHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M

(Oxygen cation • Nitrogen) + Nitrogen = (Oxygen cation • 2Nitrogen)

By formula: (O2+ • N2) + N2 = (O2+ • 2N2)

Quantity Value Units Method Reference Comment
Δr4.5 ± 0.3kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr4.3kcal/molHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr19.1cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr13.8cal/mol*KHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M

(Nitric oxide anion • Nitrogen) + Nitrogen = (Nitric oxide anion • 2Nitrogen)

By formula: (NO- • N2) + N2 = (NO- • 2N2)

Quantity Value Units Method Reference Comment
Δr4.2 ± 0.3kcal/molPHPMSHiraoka and Yamabe, 1989gas phase; M
Δr3.9kcal/molHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSHiraoka and Yamabe, 1989gas phase; M
Δr12.6cal/mol*KHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M

C3N2NiO3 (solution) = C3NiO3 (solution) + Nitrogen (solution)

By formula: C3N2NiO3 (solution) = C3NiO3 (solution) + N2 (solution)

Quantity Value Units Method Reference Comment
Δr10. ± 1.kcal/molKinSTurner, Simpson, et al., 1983solvent: Liquid krypton; The reaction enthalpy relies on the experimental value for the activation enthalpy, 10. ± 1. kcal/mol, and on the assumption that the activation enthalpy for product recombination is negligible Turner, Simpson, et al., 1983.; MS

N+ + Nitrogen = (N+ • Nitrogen)

By formula: N+ + N2 = (N+ • N2)

Quantity Value Units Method Reference Comment
Δr59.4kcal/molN/ANational Bureau of Standards, 1968gas phase; from ΔrH(f); M
Δr60.kcal/molEISaporoschenko, 1965gas phase; M
Δr59.kcal/molEIFranklin, Dibeler, et al., 1958gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
86.2 (+1.8,-0.) CIDHaynes, Freysinger, et al., 1995gas phase; guided ion beam CID; M

Copper ion (1+) + Nitrogen = (Copper ion (1+) • Nitrogen)

By formula: Cu+ + N2 = (Cu+ • N2)

Quantity Value Units Method Reference Comment
Δr6.2kcal/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Cu+ from laser desrption; M
Quantity Value Units Method Reference Comment
Δr16.cal/mol*KHPMSEl-Shall, Schriver, et al., 1989gas phase; Cu+ from laser desrption; M
Quantity Value Units Method Reference Comment
Δr1.4kcal/molHPMSEl-Shall, Schriver, et al., 1989gas phase; Cu+ from laser desrption; M

(HN2+ • 2Nitrogen) + Nitrogen = (HN2+ • 3Nitrogen)

By formula: (HN2+ • 2N2) + N2 = (HN2+ • 3N2)

Quantity Value Units Method Reference Comment
Δr3.4 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr3.8kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr20.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr20.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(HN2+ • 3Nitrogen) + Nitrogen = (HN2+ • 4Nitrogen)

By formula: (HN2+ • 3N2) + N2 = (HN2+ • 4N2)

Quantity Value Units Method Reference Comment
Δr3.3 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr3.5kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr21.2cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr20.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(HN2+ • Nitrogen) + Nitrogen = (HN2+ • 2Nitrogen)

By formula: (HN2+ • N2) + N2 = (HN2+ • 2N2)

Quantity Value Units Method Reference Comment
Δr3.6 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Δr4.0kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
Δr19.2cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Δr18.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

Sodium ion (1+) + Nitrogen = (Sodium ion (1+) • Nitrogen)

By formula: Na+ + N2 = (Na+ • N2)

Quantity Value Units Method Reference Comment
Δr8.0kcal/molFAPerry, Rowe, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr18.6cal/mol*KFAPerry, Rowe, et al., 1980gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.2310.FAPerry, Rowe, et al., 1980gas phase; M
2.0310.DTBeyer and Keller, 1971gas phase; low E/N; M

HN2+ + Nitrogen = (HN2+ • Nitrogen)

By formula: HN2+ + N2 = (HN2+ • N2)

Quantity Value Units Method Reference Comment
Δr16.0kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr14.5kcal/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Δr20.4cal/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M

C39H66N2O3P2W (solution) + Hydrogen (g) = C39H68O3P2W (solution) + Nitrogen (g)

By formula: C39H66N2O3P2W (solution) + H2 (g) = C39H68O3P2W (solution) + N2 (g)

Quantity Value Units Method Reference Comment
Δr4.40 ± 0.41kcal/molEqSGonzalez and Hoff, 1989solvent: Tetrahydrofuran; Temperature range: 288-308 K; MS

C39H66MoO3P3 (solution) + Nitrogen (g) = C39H66MoN2O3P2 (solution)

By formula: C39H66MoO3P3 (solution) + N2 (g) = C39H66MoN2O3P2 (solution)

Quantity Value Units Method Reference Comment
Δr-9.01 ± 0.60kcal/molEqSGonzalez and Hoff, 1989solvent: Tetrahydrofuran; Temperature range: 294-308 K; MS

(Hydronium cation • 2Nitrogen • 3Water) + Nitrogen = (Hydronium cation • 3Nitrogen • 3Water)

By formula: (H3O+ • 2N2 • 3H2O) + N2 = (H3O+ • 3N2 • 3H2O)

Quantity Value Units Method Reference Comment
Δr1.2kcal/molDTGheno and Fitaire, 1987gas phase; ΔrH, ΔrS approximate; M
Quantity Value Units Method Reference Comment
Δr6.4cal/mol*KDTGheno and Fitaire, 1987gas phase; ΔrH, ΔrS approximate; M

(Oxygen cation • 4Nitrogen) + Nitrogen = (Oxygen cation • 5Nitrogen)

By formula: (O2+ • 4N2) + N2 = (O2+ • 5N2)

Quantity Value Units Method Reference Comment
Δr2.7 ± 0.2kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr16.2cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.7184.HPMSSpeller and Fitaire, 1983gas phase; M

(Nitric oxide anion • 2Nitrogen) + Nitrogen = (Nitric oxide anion • 3Nitrogen)

By formula: (NO- • 2N2) + N2 = (NO- • 3N2)

Quantity Value Units Method Reference Comment
Δr3.8 ± 0.3kcal/molPHPMSHiraoka and Yamabe, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr16.8cal/mol*KPHPMSHiraoka and Yamabe, 1989gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.9204.HPMSSpeller, Fitaire, et al., 1983gas phase; M

(Nitric oxide anion • 3Nitrogen) + Nitrogen = (Nitric oxide anion • 4Nitrogen)

By formula: (NO- • 3N2) + N2 = (NO- • 4N2)

Quantity Value Units Method Reference Comment
Δr3.4 ± 0.3kcal/molPHPMSHiraoka and Yamabe, 1989gas phase; M
Quantity Value Units Method Reference Comment
Δr17.9cal/mol*KPHPMSHiraoka and Yamabe, 1989gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.4204.HPMSSpeller, Fitaire, et al., 1983gas phase; M

(Oxygen cation • 3Nitrogen) + Nitrogen = (Oxygen cation • 4Nitrogen)

By formula: (O2+ • 3N2) + N2 = (O2+ • 4N2)

Quantity Value Units Method Reference Comment
Δr4.0 ± 0.3kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr22.5cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
0.7204.HPMSSpeller and Fitaire, 1983gas phase; M

(Hydronium cation • 3Nitrogen • 2Water) + Nitrogen = (Hydronium cation • 4Nitrogen • 2Water)

By formula: (H3O+ • 3N2 • 2H2O) + N2 = (H3O+ • 4N2 • 2H2O)

Quantity Value Units Method Reference Comment
Δr3.kcal/molDTGheno and Fitaire, 1987gas phase; ΔrH, ΔrS approximate; M
Quantity Value Units Method Reference Comment
Δr12.cal/mol*KDTGheno and Fitaire, 1987gas phase; ΔrH, ΔrS approximate; M

(Nitric oxide anion • 9Nitrogen) + Nitrogen = (Nitric oxide anion • 10Nitrogen)

By formula: (NO- • 9N2) + N2 = (NO- • 10N2)

Quantity Value Units Method Reference Comment
Δr1.68kcal/molPHPMSHiraoka and Yamabe, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr19.cal/mol*KN/AHiraoka and Yamabe, 1989gas phase; Entropy change calculated or estimated; M

(HN2+ • 10Nitrogen) + Nitrogen = (HN2+ • 11Nitrogen)

By formula: (HN2+ • 10N2) + N2 = (HN2+ • 11N2)

Quantity Value Units Method Reference Comment
Δr1.72kcal/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

O3- + Nitrogen = (O3- • Nitrogen)

By formula: O3- + N2 = (O3- • N2)

Quantity Value Units Method Reference Comment
Δr2.70 ± 0.20kcal/molTDAsHiraoka, 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Δr18.4cal/mol*KPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr-2.80 ± 0.50kcal/molTDAsHiraoka, 1988gas phase; B

(C2H5+ • Nitrogen) + Nitrogen = (C2H5+ • 2Nitrogen)

By formula: (C2H5+ • N2) + N2 = (C2H5+ • 2N2)

Quantity Value Units Method Reference Comment
Δr4.6kcal/molHPMSSpeller, 1983gas phase; deuterated, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.9cal/mol*KHPMSSpeller, 1983gas phase; deuterated, Entropy change is questionable; M

(Nitrogen cation • Nitrogen) + Nitrogen = (Nitrogen cation • 2Nitrogen)

By formula: (N2+ • N2) + N2 = (N2+ • 2N2)

Quantity Value Units Method Reference Comment
Δr2.8 ± 0.2kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Δr1.4kcal/molPILinn, Ono, et al., 1981gas phase; M
Quantity Value Units Method Reference Comment
Δr15.0cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M

(Oxygen cation • Oxygen) + Nitrogen = (Oxygen cation • Nitrogen • Oxygen)

By formula: (O2+ • O2) + N2 = (O2+ • N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.9kcal/molHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr10.1cal/mol*KHPMSSpeller and Fitaire, 1983gas phase; Entropy change is questionable; M

(Sodium ion (1+) • Nitrogen) + Nitrogen = (Sodium ion (1+) • 2Nitrogen)

By formula: (Na+ • N2) + N2 = (Na+ • 2N2)

Quantity Value Units Method Reference Comment
Δr5.3kcal/molFAPerry, Rowe, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr16.8cal/mol*KFAPerry, Rowe, et al., 1980gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
-0.3310.FAPerry, Rowe, et al., 1980gas phase; M

(CH2N+ • 2Nitrogen) + Nitrogen = (CH2N+ • 3Nitrogen)

By formula: (CH2N+ • 2N2) + N2 = (CH2N+ • 3N2)

Quantity Value Units Method Reference Comment
Δr3.2kcal/molHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr13.1cal/mol*KHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M

(CH2N+ • 3Nitrogen) + Nitrogen = (CH2N+ • 4Nitrogen)

By formula: (CH2N+ • 3N2) + N2 = (CH2N+ • 4N2)

Quantity Value Units Method Reference Comment
Δr3.1kcal/molHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr13.8cal/mol*KHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M

(CH2N+ • 4Nitrogen) + Nitrogen = (CH2N+ • 5Nitrogen)

By formula: (CH2N+ • 4N2) + N2 = (CH2N+ • 5N2)

Quantity Value Units Method Reference Comment
Δr3.2kcal/molHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Δr15.2cal/mol*KHPMSSpeller, Fitaire, et al., 1982gas phase; Entropy change is questionable; M

2,5-Pyrrolidinedione, 1-bromo- + 0.5Hydrazine = Hydrogen bromide + Succinimide + 0.5Nitrogen

By formula: C4H4BrNO2 + 0.5H4N2 = HBr + C4H5NO2 + 0.5N2

Quantity Value Units Method Reference Comment
Δr-62.22 ± 0.11kcal/molCmHoward and Skinner, 1966solid phase; solvent: Aqueous solution; Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -62.55 ± 0.11 kcal/mol; ALS

Oxygen anion + Nitrogen = (Oxygen anion • Nitrogen)

By formula: O2- + N2 = (O2- • N2)

Quantity Value Units Method Reference Comment
Δr6.0 ± 1.0kcal/molN/APosey and Johnson, 1988gas phase; B
Δr<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; N2..O2- + O2 -> O4-; B

C12H34P4Ru (solution) + Nitrogen (solution) = C12H32N2P4Ru (solution) + Hydrogen (solution)

By formula: C12H34P4Ru (solution) + N2 (solution) = C12H32N2P4Ru (solution) + H2 (solution)

Quantity Value Units Method Reference Comment
Δr3.90kcal/molPACBelt, Scaiano, et al., 1993solvent: Cyclohexane; The reaction enthalpy relies on 0.85 for the quantum yield of H2 dissociation.; MS

(Hydronium cation • 2Nitrogen • 2Water) + Nitrogen = (Hydronium cation • 3Nitrogen • 2Water)

By formula: (H3O+ • 2N2 • 2H2O) + N2 = (H3O+ • 3N2 • 2H2O)

Quantity Value Units Method Reference Comment
Δr9.0 ± 2.7kcal/molDTGheno and Fitaire, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr28.4cal/mol*KDTGheno and Fitaire, 1987gas phase; M

Vanadium, tetracarbonyl(η5-2,4-cyclopentadien-1-yl)- (solution) + Nitrogen (solution) = C8H5N2O3V (solution) + Carbon monoxide (solution)

By formula: C9H5O4V (solution) + N2 (solution) = C8H5N2O3V (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr6.5 ± 1.kcal/molPACJohnson, Popov, et al., 1991solvent: Heptane; The reaction enthalpy relies on 0.80 for the quantum yield of CO dissociation.; MS

(Oxygen anion • 2Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 3Nitrogen • Oxygen)

By formula: (O2- • 2N2 • O2) + N2 = (O2- • 3N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.5 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr18.3cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 3Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 4Nitrogen • Oxygen)

By formula: (O2- • 3N2 • O2) + N2 = (O2- • 4N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.2 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr18.7cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 4Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 5Nitrogen • Oxygen)

By formula: (O2- • 4N2 • O2) + N2 = (O2- • 5N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.9 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr19.5cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 5Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 6Nitrogen • Oxygen)

By formula: (O2- • 5N2 • O2) + N2 = (O2- • 6N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.8 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr19.5cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 6Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 7Nitrogen • Oxygen)

By formula: (O2- • 6N2 • O2) + N2 = (O2- • 7N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.7 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr18.8cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 2Nitrogen • Oxygen)

By formula: (O2- • N2 • O2) + N2 = (O2- • 2N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.8 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr17.9cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Hydronium cation • 2Nitrogen • Water) + Nitrogen = (Hydronium cation • 3Nitrogen • Water)

By formula: (H3O+ • 2N2 • H2O) + N2 = (H3O+ • 3N2 • H2O)

Quantity Value Units Method Reference Comment
Δr8. ± 2.kcal/molDTGheno and Fitaire, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KDTGheno and Fitaire, 1987gas phase; M

(Hydronium cation • Nitrogen • 2Water) + Nitrogen = (Hydronium cation • 2Nitrogen • 2Water)

By formula: (H3O+ • N2 • 2H2O) + N2 = (H3O+ • 2N2 • 2H2O)

Quantity Value Units Method Reference Comment
Δr5.2kcal/molDTGheno and Fitaire, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr16.6cal/mol*KDTGheno and Fitaire, 1987gas phase; M

(Hydronium cation • Nitrogen • 3Water) + Nitrogen = (Hydronium cation • 2Nitrogen • 3Water)

By formula: (H3O+ • N2 • 3H2O) + N2 = (H3O+ • 2N2 • 3H2O)

Quantity Value Units Method Reference Comment
Δr4.4kcal/molDTGheno and Fitaire, 1987gas phase; M
Quantity Value Units Method Reference Comment
Δr15.7cal/mol*KDTGheno and Fitaire, 1987gas phase; M

(Oxygen cation • 10Nitrogen) + Nitrogen = (Oxygen cation • 11Nitrogen)

By formula: (O2+ • 10N2) + N2 = (O2+ • 11N2)

Quantity Value Units Method Reference Comment
Δr1.4 ± 0.3kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr20.2cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M

(Nitrogen cation • 10Nitrogen) + Nitrogen = (Nitrogen cation • 11Nitrogen)

By formula: (N2+ • 10N2) + N2 = (N2+ • 11N2)

Quantity Value Units Method Reference Comment
Δr1.7 ± 0.2kcal/molPHPMSHiraoka and Nakajima, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr20.2cal/mol*KPHPMSHiraoka and Nakajima, 1988gas phase; M

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 N2+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)15.581 ± 0.008eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)118.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity111.0kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
15.581 ± 0.008STrickl, Cromwell, et al., 1989LL
15.7 ± 0.1EIStephen, Mark, et al., 1984LBLHLM
15.6 ± 0.1EIGrade, Wienecke, et al., 1983LBLHLM
15.60PEKimura, Katsumata, et al., 1981LLK
10.1 ± 0.6EIArmentrout, Tarr, et al., 1981LLK
15.58EIArmentrout, Tarr, et al., 1981LLK
15.5808EVALHuber and Herzberg, 1979LLK
15.58 ± 0.02EISahini, Constantin, et al., 1978LLK
15.5PIRabalais, Debies, et al., 1974LLK
15.58PELee and Rabalais, 1974LLK
15.61PENatalis, 1973LLK
15.58 ± 0.01PEHotop and Niehaus, 1970RDSH
15.56CICermak, 1968RDSH
15.58PICook and Metzger, 1964RDSH
15.5803SOgawa and Tanaka, 1962RDSH
15.5802SWorley, 1943RDSH
15.5812 ± 0.0002SWorley and Jenkins, 1938RDSH
15.58PEPotts and Williams, 1974Vertical value; LLK
15.60PEKatrib, Debies, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
N+24.34N(4So)EILocht, Schopman, et al., 1975LLK
N+24.3NEISmyth, Schiavone, et al., 1973LLK
N+24.4 ± 0.25NEICrowe and McConkey, 1973LLK
N+24.32 ± 0.03NEIHierl and Franklin, 1967RDSH
N+48. ± 2.N+EIHierl and Franklin, 1967RDSH
N+24.32 ± 0.02NEIFrost and McDowell, 1956RDSH

References

Go To: Top, Reaction thermochemistry data, 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.

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Turner, Simpson, et al., 1983
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Perry, R.A.; Rowe, B.R.; Viggiano, A.A.; Albritton, D.L.; Ferguson, E.E.; Fehsenfeld, F.C., Laboratory Measurements of Stratospheric Sodium Ion Measurements, Geophys. Res. Lett., 1980, 7, 9, 693, https://doi.org/10.1029/GL007i009p00693 . [all data]

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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]

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Trickl, T.; Cromwell, E.F.; Lee, Y.T.; Kung, A.H., State-selective ionization of nitrogen in the X2 =0 and v =1 states by two-color (1+1) photon excitation near threshold, J. Chem. Phys., 1989, 91, 6006. [all data]

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Potts, A.W.; Williams, T.A., The observation of "forbidden" transitions in He II photoelectron spectra, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 3. [all data]

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Hierl, P.M.; Franklin, J.L., Appearance potentials and kinetic energies of ions from N2, CO, and NO, J. Chem. Phys., 1967, 47, 3154. [all data]

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Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References