Butanoic acid, 3,3-dimethyl-, methyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChIKey: DXBOTVWRXLQVMG-UHFFFAOYSA-N
- CAS Registry Number: 10250-48-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Butyric acid, 3,3-dimethyl-, methyl ester; Methyl tert-butylacetate; Methyl 3,3-dimethylbutyrate
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -511.7 ± 1.6 | kJ/mol | Ccb | Verevkin, Beckhaus, et al., 1996 |
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 | -556.1 ± 1.6 | kJ/mol | Ccb | Verevkin, Beckhaus, et al., 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -4199.2 ± 1.6 | kJ/mol | Ccb | Verevkin, Beckhaus, et al., 1996 | Corresponding ΔfHºliquid = -556.2 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 399. to 401. | K | N/A | Frinton Laboratories Inc., 1986 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 43.9 ± 0.2 | kJ/mol | GS | Verevkin and Emel'yanenko, 2008 | Based on data from 274. to 313. K.; AC |
ΔvapH° | 44.39 ± 0.16 | kJ/mol | V | Verevkin, Beckhaus, et al., 1996 | ALS |
ΔvapH° | 44.4 | kJ/mol | N/A | Verevkin, Beckhaus, et al., 1996 | DRB |
ΔvapH° | 44.4 ± 0.2 | kJ/mol | GS | Verevkin, Beckhaus, et al., 1996 | Based on data from 274. to 313. K.; AC |
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: Sharon G. Lias and Joel F. Liebman
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H5O2+ | 10.04 | C4H9 | EI | Holmes, Lossing, et al., 1991 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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
Spectrum
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Additional Data
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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 | Chemical Concepts |
NIST MS number | 210871 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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.
Verevkin, Beckhaus, et al., 1996
Verevkin, S.P.; Beckhaus, H.-D.; Belen'kaja, R.S.; Rakus, K.; Ruchardt, C.,
Geminal substituent effects Part 9. Standard enthalpies of formation and strain free increments of branched esters and ethers,
Thermochim. Acta, 1996, 279, 47-64. [all data]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]
Verevkin and Emel'yanenko, 2008
Verevkin, Sergey P.; Emel'yanenko, Vladimir N.,
Transpiration method: Vapor pressures and enthalpies of vaporization of some low-boiling esters,
Fluid Phase Equilibria, 2008, 266, 1-2, 64-75, https://doi.org/10.1016/j.fluid.2008.02.001
. [all data]
Holmes, Lossing, et al., 1991
Holmes, J.L.; Lossing, F.P.; Mayer, P.M.,
Heats of formation of oxygen-containing organic free radicals from appearance energy measurements,
J. Am. Chem. Soc., 1991, 113, 9723. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point 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 ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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