Reaction data
( • ) + = ( • 2)
- Reaction by formula: (H4N+ • H3N) + H3N = (H4N+ • 2H3N)
- Comments:
- Bond type: Hydrogen bond (positive ion to hydride)
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- Other data available:
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Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.)
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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
ΔrH° (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
17.3 | HPMS | Tang and Castleman, 1975 | gas phase; M |
16.2 | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
16.9 | DT | Long and Franklin, 1973 | gas phase; M |
17. | PHPMS | Searles and Kebarle, 1968 | gas phase; M |
15.7 | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; typographical error in ΔrH; M |
5.5 | TPEPICO | Kamke, Herrmann, et al., 1988 | gas phase; M; Data excluded from overall average |
10.4 ± 4.6 | EI | Stephan, Futrell, et al., 1982 | gas phase; M; Data excluded from overall average |
6.4 ± 1.6 | PI | Ceyer, Tiedemann, et al., 1979 | gas phase; M; Data excluded from overall average |
References
Go To: Top, Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tang and Castleman, 1975
Tang, I.N.; Castleman, A.W.,
Gas - Phase Solvation of the Ammonium Ion in Ammonia,
J. Chem. Phys., 1975, 62, 11, 4576, https://doi.org/10.1063/1.430331
. [all data]
Arshadi and Futrell, 1974
Arshadi, M.R.; Futrell, J.H.,
Studies in High - Pressure Mass Spectrometry. V. Thermodynamics of Solvation Reactions. NH4+ - NH3,
J. Phys. Chem., 1974, 78, 15, 1482, https://doi.org/10.1021/j100608a008
. [all data]
Long and Franklin, 1973
Long, J.W.; Franklin, J.L.,
Ion-Cluster Reactions in a Drift Tube Ion Source,
Int. J. Mass Spectrom. Ion Phys, 1973, 12, 5, 403, https://doi.org/10.1016/0020-7381(73)80025-7
. [all data]
Searles and Kebarle, 1968
Searles, S.K.; Kebarle, P.,
Ion-Solvent-Molecule Interactions in the Gas Phase. Enthalpies and Entropies for the Reactions NH4+(NH3)(n-1) + NH3 = NH4+(NH3)n,
J. Phys. Chem., 1968, 72, 2, 742, https://doi.org/10.1021/j100848a061
. [all data]
Payzant, Cunningham, et al., 1973
Payzant, J.D.; Cunningham, A.J.; Kebarle, P.,
Gas - Phase Solvation of Ammonium Ion by NH3 and H2O and Stabilities of Mixed Clusters NH4+(NH3)n(H2O)w,
Can. J. Chem., 1973, 51, 19, 3242, https://doi.org/10.1139/v73-485
. [all data]
Kamke, Herrmann, et al., 1988
Kamke, W.; Herrmann, R.; Wang, Z.; Hertel, I.V.,
On the Photoionization and Fragmentation of Ammonia Clusters using TPEPICO,
Z. Phys. D., 1988, 10, 4, 491, https://doi.org/10.1007/BF01425768
. [all data]
Stephan, Futrell, et al., 1982
Stephan, K.; Futrell, J.H.; Peterson, K.I.; Castleman, A.W.; Wagner, H.E.; Djuric, N.; Mark, T.D.,
An Electron - Impact Study of Ammonia Clusters in a Supersonic Molecular Beam: Appearence Potentials of NH4+, (NH3)2H+, (NH3)3+, (NH3)3H+ and (NH2 NH3)+,
Int. J. Mass Spectrom. Ion Phys., 1982, 44, 3-4, 167, https://doi.org/10.1016/0020-7381(82)80023-5
. [all data]
Ceyer, Tiedemann, et al., 1979
Ceyer, S.T.; Tiedemann, P.W.; Mahan, B.H.; Lee, Y.T.,
Energetics of Gas - Phase Proton Solvation by NH3,
J. Chem. Phys., 1979, 70, 1, 14, https://doi.org/10.1063/1.437233
. [all data]
Notes
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- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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