Reaction data
+ 
= ( • )
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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 24.4 - 24.4 | kcal/mol | RNG | N/A | Range of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21.0 | cal/mol*K | PHPMS | Hiraoka and Nakajima, 1988 | gas phase |
| ΔrS° | 16.2 | cal/mol*K | PHPMS | Teng and Conway, 1973 | gas phase |
| ΔrS° | 19.5 | cal/mol*K | PHPMS | Payzant and Kebarle, 1970 | gas phase |
| ΔrS° | 11. | cal/mol*K | DT | Varney, 1968 | gas phase; Entropy change is questionable |
| ΔrS° | -1. | cal/mol*K | DT | Varney, 1959 | gas phase; Entropy change is questionable |
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.
Hiraoka and Nakajima, 1988
Hiraoka, K.; Nakajima, G.,
A Determination of the Stabilities of N2+(N2)n and O2+(N2)n with n = 1 - 11 from Measurements of the Gas - Phase Ion Equilibria,
J. Chem. Phys., 1988, 88, 12, 7709, https://doi.org/10.1063/1.454285
. [all data]
Teng and Conway, 1973
Teng, H.H.; Conway, D.C.,
Ion - Molecule Equilibria in Mixtures of N2 and Ar,
J. Chem. Phys., 1973, 59, 5, 2316, https://doi.org/10.1063/1.1680338
. [all data]
Payzant and Kebarle, 1970
Payzant, J.D.; Kebarle, P.,
Clustering Equilibrium N2+ + 2N2 = N4+ + N2 and the Bond Dissociation Energy of N4+,
J. Chem. Phys., 1970, 53, 12, 4723, https://doi.org/10.1063/1.1674010
. [all data]
Varney, 1968
Varney, R.N.,
Equilibrium Constant and Rates for the Reversible Reaction N4+ -> N2+ + N2,
Phys. Rev., 1968, 174, 1, 165, https://doi.org/10.1103/PhysRev.174.165
. [all data]
Varney, 1959
Varney, R.N.,
Molecular Ions,
J. Chem. Phys., 1959, 31, 5, 1314, https://doi.org/10.1063/1.1730590
. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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