Adamantane-1-carboxylic acid
- Formula: C11H16O2
- Molecular weight: 180.2435
- IUPAC Standard InChI: InChI=1S/C11H16O2/c12-10(13)11-4-7-1-8(5-11)3-9(2-7)6-11/h7-9H,1-6H2,(H,12,13)
- IUPAC Standard InChIKey: JIMXXGFJRDUSRO-UHFFFAOYSA-N
- CAS Registry Number: 828-51-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Tricyclo[3.3.1.13,7]-decane-1-carboxylic acid; 1-Adamantanecarboxylic acid; Adamantoic acid; 1-Carboxyadamantane; 3-Adamantanecarboxylic acid; 2-Adamantane-1-carboxylic acid; 1-Adamantane-1-carboxylic acid; Adamantanecarboxylic acid; Adamantylcarboxylic acid; tricyclo(3.3.1.1'3,7)decane-1-carboxylic acid
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Reaction thermochemistry data
Go To: Top, 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 by: John E. Bartmess
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
C11H15O2- + =
By formula: C11H15O2- + H+ = C11H16O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1435. ± 8.8 | kJ/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase |
| ΔrH° | 1438. ± 8.8 | kJ/mol | G+TS | Jinfeng, Topsom, et al., 1988 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1406. ± 8.4 | kJ/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase |
| ΔrG° | 1408. ± 8.4 | kJ/mol | IMRE | Jinfeng, Topsom, et al., 1988 | gas phase; value altered from reference due to change in acidity scale |
Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.34 | PE | Worley, Mateescu, et al., 1973 | LLK |
De-protonation reactions
C11H15O2- + =
By formula: C11H15O2- + H+ = C11H16O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1435. ± 8.8 | kJ/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase; B |
| ΔrH° | 1438. ± 8.8 | kJ/mol | G+TS | Jinfeng, Topsom, et al., 1988 | gas phase; value altered from reference due to change in acidity scale; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1406. ± 8.4 | kJ/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase; B |
| ΔrG° | 1408. ± 8.4 | kJ/mol | IMRE | Jinfeng, Topsom, et al., 1988 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P.,
Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria,
Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092
. [all data]
Jinfeng, Topsom, et al., 1988
Jinfeng, C.; Topsom, R.D.; Headley, A.D.; Koppel, I.; Mishima, M.; Taft, R.W.; Veji, S.,
Acidities of Substituted Acetic Acids,
J. Mol. Struct., 1988, 168, 141, https://doi.org/10.1016/0166-1280(88)80349-X
. [all data]
Worley, Mateescu, et al., 1973
Worley, S.D.; Mateescu, G.D.; McFarland, C.W.; Fort, R.C., Jr.; Sheley, C.F.,
Photoelectron spectra and MINDO-SCF-MO calculations for adamantane and some of its derivatives,
J. Am. Chem. Soc., 1973, 95, 7580. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
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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