Acetic acid, butyl ester
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: DKPFZGUDAPQIHT-UHFFFAOYSA-N
- CAS Registry Number: 123-86-4
- 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. - Isotopologues:
- Other names: n-Butyl acetate; Butyl acetate; Butyl ethanoate; 1-Butyl acetate; CH3COO(CH2)3CH3; Acetic acid n-butyl ester; n-Butyl ethanoate; Acetate de butyle; Butile(acetati di); Butylacetat; Butylacetaten; Butyle (acetate de); Butylester kyseliny octove; Butyl ester of acetic acid; 1-Acetoxybutane; 1-Butanol, acetate; Butyl ester, acetic acid; NSC 9298; Butile; Butyle; UN 1123
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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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.92 ± 0.05 | PE | Benoit, Harrison, et al., 1977 | LLK |
10.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.56 ± 0.03 | PI | Vilesov and Terenin, 1957 | RDSH |
10.02 ± 0.05 | PE | Benoit, Harrison, et al., 1977 | Vertical value; LLK |
10.17 | PE | Sweigart and Turner, 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H3O2+ | 12.33 ± 0.12 | ? | EI | Brion and Dunning, 1963 | RDSH |
C3H5O2+ | 11.70 ± 0.05 | ? | EI | Brion and Dunning, 1963 | RDSH |
C3H7+ | 11.56 ± 0.10 | ? | EI | Brion and Dunning, 1963 | RDSH |
C4H9+ | 11.31 ± 0.10 | ? | EI | Brion and Dunning, 1963 | RDSH |
De-protonation reactions
C6H11O2- + =
By formula: C6H11O2- + H+ = C6H12O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 370.8 ± 4.1 | kcal/mol | G+TS | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 364.1 ± 4.0 | kcal/mol | IMRE | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria; B |
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.
Benoit, Harrison, et al., 1977
Benoit, F.M.; Harrison, A.G.; Lossing, F.P.,
Hydrogen migrations in mass spectrometry III-Energetics of formation of [R'CO2H2]+ in the mass spectra of R'CO2R,
Org. Mass Spectrom., 1977, 12, 78. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Vilesov and Terenin, 1957
Vilesov, F.I.; Terenin, A.N.,
The photoionization of the vapors of certain organic compounds,
Dokl. Akad. Nauk SSSR, 1957, 115, 744, In original 539. [all data]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. I. Carboxylic acids and their derivatives,
J. Am. Chem. Soc., 1972, 94, 5592. [all data]
Brion and Dunning, 1963
Brion, C.E.; Dunning, W.J.,
Electron impact studies of simple carboxylic esters,
J. Chem. Soc. Faraday Trans., 1963, 59, 647. [all data]
Haas, Giblin, et al., 1998
Haas, G.W.; Giblin, D.E.; Gross, M.L.,
The Mechanism and Thermodynamics of Transesterification of Acetate-Ester Enolates in the Gas Phase,
Int. J. Mass Spectrom. Ion Proc., 1998, 172, 1-2, 25, https://doi.org/10.1016/S0168-1176(97)83245-4
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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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