Reaction data
( • 2) + = ( • 3)
- Reaction by formula: (H4N+ • 2H3N) + H3N = (H4N+ • 3H3N)
- Comments:
- Bond type: Hydrogen bond (positive ion to hydride)
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Entropy 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
ΔrS° (cal/mol*K) | Method | Reference | Comment |
---|---|---|---|
25.3 | HPMS | Tang and Castleman, 1975 | gas phase; M |
25.2 | PHPMS | Arshadi and Futrell, 1974 | gas phase; M |
24.1 | HPMS | Arifov, Pozharov, et al., 1973 | gas phase; M |
25.7 | PHPMS | Payzant, Cunningham, et al., 1973 | gas phase; M |
29.7 | DT | Long and Franklin, 1973 | gas phase; M; Data excluded from overall average |
34. | PHPMS | Searles and Kebarle, 1968 | gas phase; M; Data excluded from overall average |
38. | HPMS | Hogg, Haynes, et al., 1966 | gas phase; M; Data excluded from overall average |
References
Go To: Top, Entropy 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]
Arifov, Pozharov, et al., 1973
Arifov, U.A.; Pozharov, S.L.; Chernov, I.G.; Mukhamediev, Z.A.,
High Energy Chem., 1973, 5, 354. [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]
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]
Hogg, Haynes, et al., 1966
Hogg, A.M.; Haynes, R.M.; Kebarle, P.,
Ion-Solvent Molecule Interactions Studied in the Gas Phase. Heats and Entropies of Individual Steps. NH4+.(n-1)NH3 = NH4+.nNH3,
J. Am. Chem. Soc., 1966, 88, 1, 28, https://doi.org/10.1021/ja00953a006
. [all data]
Notes
Go To: Top, Entropy of reaction at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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