NH3+
- Formula: H3N+
- Molecular weight: 17.0300
- CAS Registry Number: 19496-55-0
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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: 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.
Individual Reactions
By formula: (H3N+ • H3N) + H3N = (H3N+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9. ± 5. | kcal/mol | EI | Breen, Tzeng, et al., 1989 | gas phase |
ΔrH° | 9.2 ± 4.6 | kcal/mol | EI | Stephan, Futrell, et al., 1982 | gas phase |
By formula: H3N+ + H3N = (H3N+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.1 ± 4.6 | kcal/mol | EI | Stephan, Futrell, et al., 1982 | gas phase |
ΔrH° | 18.1 | kcal/mol | PI | Ng, Trevor, et al., 1977 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry 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: 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: H3N+ + H3N = (H3N+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.1 ± 4.6 | kcal/mol | EI | Stephan, Futrell, et al., 1982 | gas phase |
ΔrH° | 18.1 | kcal/mol | PI | Ng, Trevor, et al., 1977 | gas phase |
By formula: (H3N+ • H3N) + H3N = (H3N+ • 2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9. ± 5. | kcal/mol | EI | Breen, Tzeng, et al., 1989 | gas phase |
ΔrH° | 9.2 ± 4.6 | kcal/mol | EI | Stephan, Futrell, et al., 1982 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Breen, Tzeng, et al., 1989
Breen, J.J.; Tzeng, W.B.; Kilgore, K.; Keesee, R.G.; Castleman, A.W.,
Intracluster Reactions in Phenylacetylene - Ammonia Clusters Initiated through Resonant Enhanced Ionization,
J. Phys. Chem., 1989, 90, 1, 19, https://doi.org/10.1063/1.456521
. [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]
Ng, Trevor, et al., 1977
Ng, C.Y.; Trevor, D.J.; Tiedemann, P.W.; Ceyer, S.T.; Kronebush, B.H.; Mahan, B.H.; Lee, Y.T.,
Photoinization of Dimeric Polyatomic Molecules: Proton Affinities of H2O and HF,
J. Chem. Phys., 1977, 67, 9, 4235, https://doi.org/10.1063/1.435404
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Ion clustering data, References
- 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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