NH3+

• Formula: H₃N⁺
• Molecular weight: 17.0300
• CAS Registry Number: 19496-55-0
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Options:
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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

(H₃N⁺ • ) +  = (H₃N⁺ • 2)

By formula: (H₃N⁺ • H₃N) + H₃N = (H₃N⁺ • 2H₃N)

H₃N⁺ +  = (H₃N⁺ • )

By formula: H₃N⁺ + H₃N = (H₃N⁺ • H₃N)

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

H₃N⁺ +  = (H₃N⁺ • )

By formula: H₃N⁺ + H₃N = (H₃N⁺ • H₃N)

(H₃N⁺ • ) +  = (H₃N⁺ • 2)

By formula: (H₃N⁺ • H₃N) + H₃N = (H₃N⁺ • 2H₃N)

References

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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

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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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