O2C(CH2)5CO2 dianion
- Formula: C7H10O4-2
- Molecular weight: 158.1530
- CAS Registry Number: 764-54-5
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, 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 as indicated in comments:
B - John E. Bartmess
M - 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
(C7H10O4-2 • 2) +
= (C7H10O4-2 • 3
)
By formula: (C7H10O4-2 • 2H2O) + H2O = (C7H10O4-2 • 3H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 8.00 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 3) +
= (C7H10O4-2 • 4
)
By formula: (C7H10O4-2 • 3H2O) + H2O = (C7H10O4-2 • 4H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 7.20 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 4) +
= (C7H10O4-2 • 5
)
By formula: (C7H10O4-2 • 4H2O) + H2O = (C7H10O4-2 • 5H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 6.20 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 5) +
= (C7H10O4-2 • 6
)
By formula: (C7H10O4-2 • 5H2O) + H2O = (C7H10O4-2 • 6H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 5.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • ) +
= (C7H10O4-2 • 2
)
By formula: (C7H10O4-2 • H2O) + H2O = (C7H10O4-2 • 2H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.4 ± 4.2 | kcal/mol | N/A | Ding, Wang, et al., 1998 | gas phase; Affinity is EA difference from next lower solvated ion.; B |
C7H10O4-2 + = (C7H10O4-2 •
)
By formula: C7H10O4-2 + H2O = (C7H10O4-2 • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.0 ± 4.2 | kcal/mol | N/A | Ding, Wang, et al., 1998 | gas phase; Affinity is EA difference from next lower solvated ion.; B |
C7H10O4-2 + = C7H11O4-2
By formula: C7H10O4-2 + H+ = C7H11O4-2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.7 ± 3.7 | kcal/mol | D-EA | Ding, Wang, et al., 1998 | gas phase; B |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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: John E. Bartmess
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.340 ± 0.090 | LPES | Ding, Wang, et al., 1998 |
Protonation reactions
C7H10O4-2 + = C7H11O4-2
By formula: C7H10O4-2 + H+ = C7H11O4-2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.7 ± 3.7 | kcal/mol | D-EA | Ding, Wang, et al., 1998 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
M - 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
C7H10O4-2 + = C7H11O4-2
By formula: C7H10O4-2 + H+ = C7H11O4-2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 395.7 ± 3.7 | kcal/mol | D-EA | Ding, Wang, et al., 1998 | gas phase; B |
C7H10O4-2 + = (C7H10O4-2 •
)
By formula: C7H10O4-2 + H2O = (C7H10O4-2 • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.0 ± 4.2 | kcal/mol | N/A | Ding, Wang, et al., 1998 | gas phase; Affinity is EA difference from next lower solvated ion.; B |
(C7H10O4-2 • ) +
= (C7H10O4-2 • 2
)
By formula: (C7H10O4-2 • H2O) + H2O = (C7H10O4-2 • 2H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13.4 ± 4.2 | kcal/mol | N/A | Ding, Wang, et al., 1998 | gas phase; Affinity is EA difference from next lower solvated ion.; B |
(C7H10O4-2 • 2) +
= (C7H10O4-2 • 3
)
By formula: (C7H10O4-2 • 2H2O) + H2O = (C7H10O4-2 • 3H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 8.00 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 3) +
= (C7H10O4-2 • 4
)
By formula: (C7H10O4-2 • 3H2O) + H2O = (C7H10O4-2 • 4H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 7.20 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 4) +
= (C7H10O4-2 • 5
)
By formula: (C7H10O4-2 • 4H2O) + H2O = (C7H10O4-2 • 5H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 6.20 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
(C7H10O4-2 • 5) +
= (C7H10O4-2 • 6
)
By formula: (C7H10O4-2 • 5H2O) + H2O = (C7H10O4-2 • 6H2O)
Bond type: Hydrogen bond (negative ion to hydride)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrG° | 5.50 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase; B,M |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P.,
Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I,
J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019
. [all data]
Ding, Wang, et al., 1998
Ding, C.F.; Wang, X.B.; Wang, L.S.,
Photoelectron spectroscopy of doubly charged anions: Intramolecular Coulomb repulsion and solvent stabilization,
J. Phys. Chem. A, 1998, 102, 45, 8633-8636, https://doi.org/10.1021/jp982698x
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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