1,8-Diaminooctane, diprotonated
- Formula: C8H22N2+2
- Molecular weight: 146.2726
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Reaction thermochemistry data
Go To: Top, Ion clustering data, References, Notes
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
(C8H22N2+2 • ) + = (C8H22N2+2 • 2)
By formula: (C8H22N2+2 • H2O) + H2O = (C8H22N2+2 • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.8 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.8 | cal/mol*K | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.7 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
By formula: C8H22N2+2 + H2O = (C8H22N2+2 • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.9 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.5 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.7 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.9 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.8 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.2 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, References, Notes
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
By formula: C8H22N2+2 + H2O = (C8H22N2+2 • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.9 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.5 | cal/mol*K | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 10.5 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
(C8H22N2+2 • ) + = (C8H22N2+2 • 2)
By formula: (C8H22N2+2 • H2O) + H2O = (C8H22N2+2 • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.8 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.8 | cal/mol*K | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.7 | kcal/mol | ES/HPMS | Blades, Klassen, et al., 1996 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.7 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
6.9 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.8 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
(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
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.2 | 293. | ES/HPMS | Klassen, Blades, et al., 1995 | gas phase |
References
Go To: Top, Reaction thermochemistry data, 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, Reaction thermochemistry data, 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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