1,8-Diaminooctane, diprotonated

• Formula: C₈H₂₂N₂⁺²
• Molecular weight: 146.2726
• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
• Options:
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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

C₈H₂₂N₂⁺² +  = (C₈H₂₂N₂⁺² • )

By formula: C₈H₂₂N₂⁺² + H₂O = (C₈H₂₂N₂⁺² • H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

(C₈H₂₂N₂⁺² • ) +  = (C₈H₂₂N₂⁺² • 2)

By formula: (C₈H₂₂N₂⁺² • H₂O) + H₂O = (C₈H₂₂N₂⁺² • 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

(C₈H₂₂N₂⁺² • 2) +  = (C₈H₂₂N₂⁺² • 3)

By formula: (C₈H₂₂N₂⁺² • 2H₂O) + H₂O = (C₈H₂₂N₂⁺² • 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

(C₈H₂₂N₂⁺² • 3) +  = (C₈H₂₂N₂⁺² • 4)

By formula: (C₈H₂₂N₂⁺² • 3H₂O) + H₂O = (C₈H₂₂N₂⁺² • 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

(C₈H₂₂N₂⁺² • 4) +  = (C₈H₂₂N₂⁺² • 5)

By formula: (C₈H₂₂N₂⁺² • 4H₂O) + H₂O = (C₈H₂₂N₂⁺² • 5H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

(C₈H₂₂N₂⁺² • 5) +  = (C₈H₂₂N₂⁺² • 6)

By formula: (C₈H₂₂N₂⁺² • 5H₂O) + H₂O = (C₈H₂₂N₂⁺² • 6H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Free energy of reaction

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Blades, Klassen, et al., 1996
Blades, A.T.; Klassen, J.S.; Kebarle, P., Determination of Ion-Solvent Equilibria in the Gas Phase. Hydration of Diprotonated Diamines and Bis(trimethylammonium) Alkanes, J. Am. Chem. Soc., 1996, 118, 49, 12437, https://doi.org/10.1021/ja962641t . [all data]

Klassen, Blades, et al., 1995
Klassen, J.S.; Blades, A.T.; Kebarle, P., Determinations of Ion-Molecule Equilibria Involving Ions Produced by Electrospray. Hydration of Protonated Amines, Diamines, and Some Small Peptides, J. Phys. Chem., 1995, 99, 42, 15509, https://doi.org/10.1021/j100042a027 . [all data]

Notes

Go To: Top, Ion clustering data, References

• 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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