NH4+
- Formula: H4N+
- Molecular weight: 18.0379
- IUPAC Standard InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-O
- CAS Registry Number: 14798-03-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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- Information on this page:
- Other data available:
- Reaction thermochemistry data: reactions 1 to 50
- Ion clustering data
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Reaction thermochemistry data
Go To: Top, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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 51 to 93
By formula: (H4N+ • 7H3N • C2H3N) + H3N = (H4N+ • 8H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.0 | kcal/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph |
By formula: (H4N+ • 8H3N • C2H3N) + H3N = (H4N+ • 9H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.5 | kcal/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph |
By formula: (H4N+ • H3N • C2H3N) + H3N = (H4N+ • 2H3N • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.5 | kcal/mol | MKER | Tzeng, Wei, et al., 1991 | gas phase; from graph |
By formula: (H4N+ • 2C4H10O2) + C4H10O2 = (H4N+ • 3C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14. ± 3. | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.3 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: (H4N+ • H3N) + CHN = (H4N+ • CHN • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.5 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • C4H10O2) + C4H10O2 = (H4N+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: (H4N+ • 2C3H6O) + C3H6O = (H4N+ • 3C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.8 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.0 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: (H4N+ • 2C6H6) + C6H6 = (H4N+ • 3C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 32.9 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: (H4N+ • 2C2H3N) + C2H3N = (H4N+ • 3C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.2 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.5 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: (H4N+ • 3C3H6O) + C3H6O = (H4N+ • 4C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: (H4N+ • 3C2H3N) + C2H3N = (H4N+ • 4C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.7 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.2 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: (H4N+ • C3H6O) + C3H6O = (H4N+ • 2C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.9 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: (H4N+ • C6H6) + C6H6 = (H4N+ • 2C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.0 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.5 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: (H4N+ • C2H3N) + C2H3N = (H4N+ • 2C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.2 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.4 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: (H4N+ • 2CHN) + CHN = (H4N+ • 3CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • 3CHN) + CHN = (H4N+ • 4CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.0 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.9 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • 10H3N) + H3N = (H4N+ • 11H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 11H3N) + H3N = (H4N+ • 12H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 12H3N) + H3N = (H4N+ • 13H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 13H3N) + H3N = (H4N+ • 14H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 14H3N) + H3N = (H4N+ • 15H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 15H3N) + H3N = (H4N+ • 16H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 4CHN) + CHN = (H4N+ • 5CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.9 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.9 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • 5CHN) + CHN = (H4N+ • 6CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.4 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.9 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • CHN) + CHN = (H4N+ • 2CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.4 | kcal/mol | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.4 | cal/mol*K | PHPMS | Deakyne, Knuth, et al., 1994 | gas phase |
By formula: (H4N+ • 9H3N) + H3N = (H4N+ • 10H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 6H3N) + H3N = (H4N+ • 7H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 7H3N) + H3N = (H4N+ • 8H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: (H4N+ • 8H3N) + H3N = (H4N+ • 9H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4. | kcal/mol | MKER | Wei, Tzeng, et al., 1990 | gas phase; from graph |
By formula: H4N+ + C3HN = (H4N+ • C3HN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.9 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.6 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
By formula: H4N+ + C4H7N = (H4N+ • C4H7N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.4 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.6 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
By formula: H4N+ + C3H8O2 = (H4N+ • C3H8O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: H4N+ + C9H12 = (H4N+ • C9H12)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.8 | kcal/mol | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.2 | cal/mol*K | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
By formula: H4N+ + C6H5F = (H4N+ • C6H5F)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.4 | kcal/mol | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.0 | cal/mol*K | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
By formula: H4N+ + C3H6O = (H4N+ • C3H6O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase |
By formula: H4N+ + C2H3N = (H4N+ • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.6 | kcal/mol | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.2 | cal/mol*K | PHPMS | Liebman, Romm, et al., 1991 | gas phase |
By formula: H4N+ + C6H6 = (H4N+ • C6H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.3 | kcal/mol | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.3 | cal/mol*K | PHPMS | Deakyne and Meot-Ner (Mautner), 1985 | gas phase |
By formula: H4N+ + N2 = (H4N+ • N2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13. ± 5. | kcal/mol | DT | Gheno and Fitaire, 1987 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31. | cal/mol*K | DT | Gheno and Fitaire, 1987 | gas phase |
By formula: (H4N+ • 2H2O) + O2S = (H4N+ • O2S • 2H2O)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.0 | 300. | HPMS | Banic and Iribarne, 1985 | gas phase; electric fields |
By formula: (H4N+ • 3H2O) + O2S = (H4N+ • O2S • 3H2O)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.6 | 300. | HPMS | Banic and Iribarne, 1985 | gas phase; electric fields |
By formula: (H4N+ • H2O) + O2S = (H4N+ • O2S • H2O)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.4 | 300. | HPMS | Banic and Iribarne, 1985 | gas phase; electric fields |
By formula: (H4N+ • 2H2O) + CO2 = (H4N+ • CO2 • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 1.3 | kcal/mol | HPMS | Banic and Iribarne, 1985 | gas phase; electric fields |
By formula: H4N+ + CO2 = (H4N+ • CO2)
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
2.3 | 296. | FA | Spears and Fehsenfeld, 1972 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tzeng, Wei, et al., 1991
Tzeng, W.B.; Wei, S.; Castleman, A.W.,
Stability, Structure and Binding - Energies of Solvated Cluster Ions - Ammonia Acetonitrile and Ammonia Acetaldehyde Systems,
J. Phys. Chem., 1991, 95, 15, 5757, https://doi.org/10.1021/j100168a011
. [all data]
Meot-Ner (Mautner), Sieck, et al., 1996
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S.,
Complexing of the Ammonium Ion by Polyethers. Comparative Complexing Thermochemistry of Ammonium, Hydronium, and Alkali Cations,
J. Phys. Chem., 1996, 100, 16, 6445, https://doi.org/10.1021/jp9514943
. [all data]
Deakyne, Knuth, et al., 1994
Deakyne, C.A.; Knuth, D.M.; Speller, C.V.; Meot-Ner (Mautner), M.; Sieck, L.W.,
Filling of Solvent Shells about Ions. Part 3. Isomeric Clusters of (HCN)n(NH3)mH+,
J. Mol. Structure (Theochem), 1994, 307, 217, https://doi.org/10.1016/0166-1280(94)80130-4
. [all data]
Liebman, Romm, et al., 1991
Liebman, J.F.; Romm, M.J.; Meot-Ner (Mautner), M.; Cybulski, S.M.; Scheiner, S.,
Isotropy in ionic interactions. 2. How spherical is the ammonium ion? Comparison of the gas-phase clustering energies and condensed-phase thermochemistry of K+ and NH4+,
J. Phys. Chem., 1991, 95, 3, 1112, https://doi.org/10.1021/j100156a018
. [all data]
Wei, Tzeng, et al., 1990
Wei, S.; Tzeng, W.B.; Castleman, A.W.,
Kinetic Energy Release Measurements of Ammonia Cluster Ions During Metastable Decomposition and Determination of Cluster Ion Binding Energies,
J. Chem. Phys., 1990, 92, 1, 332, https://doi.org/10.1063/1.458434
. [all data]
Speller and Meot-Ner (Mautner), 1985
Speller, C.V.; Meot-Ner (Mautner), M.,
The Ionic Hydrogen Bond and Ion Solvation. 3. Bonds Involving Cyanides. Correlations with Proton Affinites,
J. Phys. Chem., 1985, 81, 24, 5217, https://doi.org/10.1021/j100270a020
. [all data]
Deakyne and Meot-Ner (Mautner), 1985
Deakyne, C.A.; Meot-Ner (Mautner), M.,
Unconventional Ionic Hydrogen Bonds. 2. NH+ pi. Complexes of Onium Ions with Olefins and Benzene Derivatives,
J. Am. Chem. Soc., 1985, 107, 2, 474, https://doi.org/10.1021/ja00288a034
. [all data]
Gheno and Fitaire, 1987
Gheno, F.; Fitaire, M.,
Association of N2 with NH4+ and H3O+(H2O)n, n = 1,2,3,
J. Chem. Phys., 1987, 87, 2, 953, https://doi.org/10.1063/1.453250
. [all data]
Banic and Iribarne, 1985
Banic, C.M.; Iribarne, J.V.,
Equilibrium Constants for Clustering of Neutral Molecules about Gaseous Ions,
J. Chem. Phys., 1985, 83, 12, 6432, https://doi.org/10.1063/1.449543
. [all data]
Spears and Fehsenfeld, 1972
Spears, K.G.; Fehsenfeld, F.C.,
Termolecular Association Reactions of Mg, Ca, and Ba Ions,
J. Chem. Phys., 1972, 56, 11, 5698, https://doi.org/10.1063/1.1677091
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions 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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