1,5-Diaminopentane, diprotonated
- Formula: C5H16N2+2
- Molecular weight: 104.1928
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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
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Individual Reactions
(C5H16N2+2 • ) +
= (C5H16N2+2 • 2
)
By formula: (C5H16N2+2 • H2O) + H2O = (C5H16N2+2 • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 77.0 | kJ/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 100. | J/mol*K | N/A | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 47.3 | kJ/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
C5H16N2+2 + = (C5H16N2+2 •
)
By formula: C5H16N2+2 + H2O = (C5H16N2+2 • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 77.8 | kJ/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 90.0 | J/mol*K | N/A | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 51.0 | kJ/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase; Entropy change calculated or estimated |
References
Go To: Top, Reaction thermochemistry 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]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
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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