Cyclohexanecarboxylic acid
- Formula: C7H12O2
- Molecular weight: 128.1690
- IUPAC Standard InChIKey: NZNMSOFKMUBTKW-UHFFFAOYSA-N
- CAS Registry Number: 98-89-5
- 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: Benzoic acid, hexahydro-; Cyclohexylcarboxylic acid; Hexahydrobenzoic acid; Carboxycyclohexane; Cyclohexylmethanoic acid
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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
C7H11O2- + =
By formula: C7H11O2- + H+ = C7H12O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1444. ± 9.2 | kJ/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1415. ± 8.4 | kJ/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 823.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 792.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
De-protonation reactions
C7H11O2- + =
By formula: C7H11O2- + H+ = C7H12O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1444. ± 9.2 | kJ/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1415. ± 8.4 | kJ/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase; B |
Gas Chromatography
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1127. | Peng, Ding, et al., 1988 | He, Supelcoport and Chromosorb, 40. C @ 4. min, 10. K/min, 250. C @ 60. min; Column length: 3.05 m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1157. | Peng, 2000 | 15. m/0.53 mm/1. μm, He; Program: 40C(3min) => 8C/min => 200(1min) => 5C/min => 300C(25min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 2117. | Peng, 2000 | 15. m/0.53 mm/1. μm, He, 40. C @ 3. min, 5. K/min, 220. C @ 30. min |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 2084. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polyethylene glycol (Free Fatty Acid Phase) | 2050. | Harraca, Syed, et al., 2009 | Column length: 30. m; Column diameter: 0.25 mm; Program: not specified |
Capillary | Polyethylene glycol (Free Fatty Acid Phase) | 2053. | Harraca, Syed, et al., 2009 | Column length: 30. m; Column diameter: 0.25 mm; Program: not specified |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, 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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Peng, 2000
Peng, C.T.,
Prediction of retention indices. V. Influence of electronic effects and column polarity on retention index,
J. Chromatogr. A, 2000, 903, 1-2, 117-143, https://doi.org/10.1016/S0021-9673(00)00901-8
. [all data]
Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C.,
Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect,
Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305
. [all data]
Harraca, Syed, et al., 2009
Harraca, V.; Syed, Z.; Guerin, P.M.,
Olfactory and behavioural responces of tsetse flies, Glossina spp., to rumen metabolites,
J. Comp. Physiol. A, 2009, 195, 9, 815-824, https://doi.org/10.1007/s00359-009-0459-y
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, 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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