HN=NO2 anion
- Formula: HN2O2-
- Molecular weight: 61.0207
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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: John E. Bartmess
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Individual Reactions
HN2O2- + =
By formula: HN2O2- + H+ = H2N2O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 346.0 ± 2.2 | kcal/mol | G+TS | Attina, Cacace, et al., 1993 | gas phase; ΔfH(H2NNO2): estimated sublimation enthalpy in Gurvich, Veyts, et al. seems too small - JEB |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 338.3 ± 2.0 | kcal/mol | IMRE | Attina, Cacace, et al., 1993 | gas phase; ΔfH(H2NNO2): estimated sublimation enthalpy in Gurvich, Veyts, et al. seems too small - JEB |
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.
Attina, Cacace, et al., 1993
Attina, M.; Cacace, F.; Ciliberto, E.; Depetris, G.; Grandinetti, F.; Pepi, F.; Ricci, A.,
Gas-Phase Ion Chemistry of Nitramide - A Mass Spectrometric and Abinitio Study of H2N-NO2 and the H2N-NO2+., H2N-NO2.H+, and HN-NO2-,
J. Am. Chem. Soc., 1993, 115, 26, 12398, https://doi.org/10.1021/ja00079a022
. [all data]
Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B.,
Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]
Notes
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- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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