NO3 anion
- Formula: NO3-
- Molecular weight: 62.0054
- IUPAC Standard InChI: InChI=1S/NO3/c2-1(3)4/q-1
- IUPAC Standard InChIKey: NHNBFGGVMKEFGY-UHFFFAOYSA-N
- CAS Registry Number: 14797-55-8
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
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
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 324.50 ± 0.20 | kcal/mol | TDEq | Davidson, Fehsenfeld, et al., 1977 | gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE. |
| ΔrH° | 329.9 ± 4.8 | kcal/mol | NBAE | Mathur, Rothe, et al., 1976 | gas phase; From HNO3 |
| ΔrH° | 329.1 ± 5.8 | kcal/mol | Endo | Refaey and Franklin, 1976 | gas phase; I- + HNO3 ->. |
| ΔrH° | 324.50 ± 0.50 | kcal/mol | TDEq | Ferguson, Dunkin, et al., 1972 | gas phase |
| ΔrH° | 356.30 | kcal/mol | Endo | Berkowitz, Chupka, et al., 1971 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 317.80 ± 0.20 | kcal/mol | TDEq | Davidson, Fehsenfeld, et al., 1977 | gas phase; Relative to HBr, reevaluated with current HBr acidity. Excited state at 3.0 eV,81WU /TIE. |
Vibrational and/or electronic energy levels
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 by: Marilyn E. Jacox
State: ?
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| Td = 31760 ± 110 | gas | Weaver, Arnold, et al., 1991 | |||||
State: X
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| e' | 3 | NO3 stretch | 1356.2 | Ne | IR | Forney, Thompson, et al., 1993 | |
Additional references: Jacox, 1998, page 259
Notes
| d | Photodissociation threshold |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Davidson, Fehsenfeld, et al., 1977
Davidson, J.A.; Fehsenfeld, F.C.; Howard, C.J.,
The heats of formation of NO3- and NO3- association complexes with HNO3 and HBr,
Int. J. Chem. Kinet., 1977, 9, 17. [all data]
Mathur, Rothe, et al., 1976
Mathur, B.P.; Rothe, E.W.; Tang, S.Y.; Mahajan, K.; Reck, G.P.,
Negative gaseous ions from nitric acid,
J. Chem. Phys., 1976, 64, 1247. [all data]
Refaey and Franklin, 1976
Refaey, K.M.A.; Franklin, J.L.,
Endoergic ion-molecule-collision processes of negative ions. V. Collision of I- on HNO3. The electron affinity of NO3,
J. Chem. Phys., 1976, 64, 4810. [all data]
Ferguson, Dunkin, et al., 1972
Ferguson, E.E.; Dunkin, D.B.; Fehsenfeld, F.C.,
Reactions of NO2- and NO3- with HCl and HBr,
J. Chem. Phys., 1972, 57, 1459. [all data]
Berkowitz, Chupka, et al., 1971
Berkowitz, J.; Chupka, W.A.; Gutman, D.,
Electron Affinities of O2, O3, NO, NO2, and NO3 by Endothermic Charge Transfer,
J. Chem. Phys., 1971, 55, 6, 2733, https://doi.org/10.1063/1.1676488
. [all data]
Weaver, Arnold, et al., 1991
Weaver, A.; Arnold, D.W.; Bradforth, S.E.; Neumark, D.M.,
Estimation of the 2A'2 and 2E States of NO3 by Ultraviolet Photoelectron Spectroscopy of NO3-,
J. Chem. Phys., 1991, 94, 3, 1740, https://doi.org/10.1063/1.459947
. [all data]
Forney, Thompson, et al., 1993
Forney, D.; Thompson, W.E.; Jacox, M.E.,
The vibrational spectra of molecular ions isolated in solid neon. XI. NO+2, NO-2, and NO-3,
J. Chem. Phys., 1993, 99, 10, 7393, https://doi.org/10.1063/1.465720
. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- 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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