Phenol, 2-(1-methylethyl)-
- Formula: C9H12O
- Molecular weight: 136.1910
- IUPAC Standard InChIKey: CRBJBYGJVIBWIY-UHFFFAOYSA-N
- CAS Registry Number: 88-69-7
- 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: Phenol, o-isopropyl-; o-Isopropylphenol; 2-Isopropylphenol; 2-(1-Methylethyl)phenol; o-Cumenol; Isopropylphenol, ortho; 1-Hydroxy-2-isopropylbenzene; Prodox 131; o-Hydroxycumene; NSC 5103
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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -41.90 ± 0.57 | kcal/mol | Eqk | Nesterova, Pimerzin, et al., 1989 | Author was aware that data differs from previously reported values; Isomerization |
ΔfH°gas | -38.55 | kcal/mol | Ccb | Bertholon, Giray, et al., 1971 | see Bertholon, 1967 |
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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
C9H11O- + =
By formula: C9H11O- + H+ = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 347.5 ± 2.2 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 340.0 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C6H6O + C12H18O = C9H12O + C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.2 ± 0.24 | kcal/mol | Eqk | Nesterova, Pimerzin, et al., 1989 | liquid phase; Isomerization; ALS |
ΔrH° | -0.16 ± 0.24 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; GC; ALS |
By formula: C15H24O + C9H12O = C12H18O + C12H18O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.0 ± 0.20 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; CG; ALS |
By formula: C9H12O = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1.90 ± 0.050 | kcal/mol | Eqk | Nesterova, Pilyshchikov, et al., 1983 | liquid phase; GC; ALS |
Gas phase ion energetics 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: John E. Bartmess
View reactions leading to C9H12O+ (ion structure unspecified)
De-protonation reactions
C9H11O- + =
By formula: C9H11O- + H+ = C9H12O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 347.5 ± 2.2 | kcal/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 340.0 ± 2.0 | kcal/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; value altered from reference due to change in acidity scale |
IR Spectrum
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-5377 |
NIST MS number | 229164 |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nesterova, Pimerzin, et al., 1989
Nesterova, T.N.; Pimerzin, A.A.; Rozhnov, A.M.; Karlina, T.N.,
Equilibria for the isomerization of (secondary-alkyl)phenols and cyclohexylphenols,
J. Chem. Thermodyn., 1989, 21, 385-395. [all data]
Bertholon, Giray, et al., 1971
Bertholon, G.; Giray, M.; Perrin, R.; Vincent-Falquet-Berny, M.F.,
No. 532. - Etude physicochimique des phenols. OX. - Ethanlpies de combustion et energies de resonance des alcoyl et aryphenols,
Bull. Soc. Chim. France, 1971, 3180-3187. [all data]
Bertholon, 1967
Bertholon, G.,
No. 534. - Etude physicochimique des phonols. VI. - Etude physicochimique des trois isopropylphenols isomeres,
Bull. Soc. Chim. France, 1967, 8, 2977-2982. [all data]
Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W.,
Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities,
J. Am. Chem. Soc., 1981, 103, 4017. [all data]
Nesterova, Pilyshchikov, et al., 1983
Nesterova, T.N.; Pilyshchikov, V.A.; Rozhnov, A.M.,
Chemical Equilibrium in the system isopropylphenols-phenol,
J. Appl. Chem. USSR, 1983, 56, 1257-1261. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions 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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