Pyrrole, protonated

• Formula: C₄H₆N⁺
• Molecular weight: 68.0966
• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
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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

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Clustering reactions

C₄H₆N⁺ +  = (C₄H₆N⁺ • )

By formula: C₄H₆N⁺ + C₄H₅N = (C₄H₆N⁺ • C₄H₅N)

(C₄H₆N⁺ • ) +  = (C₄H₆N⁺ • 2)

By formula: (C₄H₆N⁺ • C₄H₅N) + C₄H₅N = (C₄H₆N⁺ • 2C₄H₅N)

C₄H₆N⁺ +  = (C₄H₆N⁺ • )

By formula: C₄H₆N⁺ + H₂O = (C₄H₆N⁺ • H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

(C₄H₆N⁺ • ) +  = (C₄H₆N⁺ • 2)

By formula: (C₄H₆N⁺ • H₂O) + H₂O = (C₄H₆N⁺ • 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

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.

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [all data]

Nicol, Sunner, et al., 1988
Nicol, G.; Sunner, J.; Kebarle, P., Kinetics and Thermodynamics of Protonation Reactions: H3O+(H2O)h + B = BH+(H2O)b + (h - b +1)H2O, where B is a Nitrogen, Oxygen or Carbon Base, Int. J. Mass Spectrom. Ion Proc., 1988, 84, 1-2, 135, https://doi.org/10.1016/0168-1176(88)83032-5 . [all data]

Meot-Ner (Mautner), Ross, et al., 1985
Meot-Ner (Mautner), M.; Ross, M.M.; Campana, J.E., Stable Hydrogen - Bonded Isomers of Covalent Ions, J. Am. Chem. Soc., 1985, 107, 4835. [all data]

Notes

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• 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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