1-Butanol, 2-methyl-
- Formula: C5H12O
- Molecular weight: 88.1482
- IUPAC Standard InChI: InChI=1S/C5H12O/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3
- IUPAC Standard InChIKey: QPRQEDXDYOZYLA-UHFFFAOYSA-N
- CAS Registry Number: 137-32-6
- 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. - Species with the same structure:
- Isotopologues:
- Stereoisomers:
- Other names: sec-Butylcarbinol; Active amyl alcohol; Active primary amyl alcohol; Primary active amyl alcohol; 2-Methyl-n-butanol; 2-Methyl-1-butanol; 2-Methylbutyl alcohol; CH3CH2CH(CH3)CH2OH; dl-2-Methyl-1-butanol; 2-Methyl butanol-1; 2-Methylbutanol; dl-sec-Butyl carbinol; Butanol, 2-methyl-; 2-Methyl-butan-1-ol; 3-Methyl iso-butanol; Methyl-2-butan-1-ol; NSC 8431; 34713-94-5; 2-methyl-1-butanol (active amyl alcohol)
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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 | -72.19 ± 0.35 | kcal/mol | Ccb | Chao and Rossini, 1965 | Heat of formation derived by Cox and Pilcher, 1970 |
Condensed 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°liquid | -85.24 ± 0.15 | kcal/mol | Ccb | Chao and Rossini, 1965 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -794.92 ± 0.13 | kcal/mol | Ccb | Chao and Rossini, 1965 | Corresponding ΔfHºliquid = -85.23 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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 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
C5H11O- + =
By formula: C5H11O- + H+ = C5H12O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 373.9 ± 2.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 367.3 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chao and Rossini, 1965
Chao, J.; Rossini, F.D.,
Heats of combustion, formation, and isomerization of nineteen alkanols,
J. Chem. Eng. Data, 1965, 10, 374-379. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G.,
The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols,
Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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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