1-Butanol, 3-methyl-
- Formula: C5H12O
- Molecular weight: 88.1482
- IUPAC Standard InChI: InChI=1S/C5H12O/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H3
- IUPAC Standard InChIKey: PHTQWCKDNZKARW-UHFFFAOYSA-N
- CAS Registry Number: 123-51-3
- 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: Isopentyl alcohol; Fermentation amyl alcohol; Fusel Oil; Isoamyl alcohol; Isoamylol; Isobutyl carbinol; Isopentanol; 2-Methyl-4-butanol; 3-Methyl-1-butanol; 3-Methylbutanol; Alcool amilico; Alcool isoamylique; Amylowy alkohol; iso-amylalkohol; 3-Methylbutan-1-ol; 3-Metil-butanolo; Isoamyl alcohol, primary; Butanol, 3-methyl-; Butan-1-ol, 3-methyl; i-Amyl alcohol; Isopentan-1-ol; Methyl-3-butan-1-ol; NSC 1029; UN 1105; 3-methylbutanoI; Isoamyl alcohol (3-methyl butanol)
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Gas phase ion energetics data
Go To: Top, 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
View reactions leading to C5H12O+ (ion structure unspecified)
De-protonation reactions
C5H11O- + =
By formula: C5H11O- + H+ = C5H12O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 374.2 ± 2.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
| ΔrH° | 373.5 ± 2.8 | kcal/mol | G+TS | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 367.6 ± 2.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
| ΔrG° | 366.9 ± 2.7 | kcal/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
References
Go To: Top, 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.
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]
Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T.,
The gas phase acidity of aliphatic alcohols,
J. Am. Chem. Soc., 1983, 105, 2203. [all data]
Notes
Go To: Top, 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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