1,3-Diaminopropane, protonated
- Formula: C3H11N2+
- Molecular weight: 75.1323
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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
(C3H11N2+ • 2) +
= (C3H11N2+ • 3
)
By formula: (C3H11N2+ • 2C3H10N2) + C3H10N2 = (C3H11N2+ • 3C3H10N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 19.7 | kcal/mol | HPMS | Wincel and Herman, 1973 | gas phase; Entropy change is questionable |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 57.0 | cal/mol*K | HPMS | Wincel and Herman, 1973 | gas phase; Entropy change is questionable |
C3H11N2+ + = (C3H11N2+ •
)
By formula: C3H11N2+ + H2O = (C3H11N2+ • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Free energy of reaction
| ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 6.2 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
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.
Wincel and Herman, 1973
Wincel, H.; Herman, J.A.,
Photoionization Study of Clustering Reactions in Diamines: Ethane-1,2-diamine, Propane-1,2-diamine and Propane-1,3-diamine,
J. Chem. Soc. Faraday Trans., 1973, 69, 1797, https://doi.org/10.1039/f19736901797
. [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
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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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