2-Butenoic acid, ethyl ester, (E)-
- Formula: C6H10O2
- Molecular weight: 114.1424
- IUPAC Standard InChIKey: ZFDIRQKJPRINOQ-HWKANZROSA-N
- CAS Registry Number: 623-70-1
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Crotonic acid, ethyl ester, (E)-; trans-2-Butenoic acid ethyl ester; Ethyl (E)-crotonate; Ethyl trans-crotonate; (E)-2-Butenoic acid ethyl ester; (E)-CH3CH=CHCOOC2H5; Crotonate d'ethyle, E-; α-Crotonic acid ethyl ester, trans-; Ethyl (E)-2-butenoate; Ethyl trans-2-butenoate; 2-Butenoic acid, ethyl ester, (2E)-; Ethyl crotonate
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Gas phase thermochemistry data
Go To: Top, 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 | -89.8 ± 0.6 | kcal/mol | Ccb | Schjanberg, 1936 | Heat of formation derived by Cox and Pilcher, 1970 |
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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.11 | PE | Sustmann and Trill, 1972 | Vertical value; LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry 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. |
---|---|
NIST MS number | 1803 |
References
Go To: Top, Gas phase thermochemistry 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.
Schjanberg, 1936
Schjanberg, E.,
Die verbrennungswarmen und die refraktionsdaten einiger crotonsaureeste,
Z. Phys. Chem., 1936, 175, 289-342. [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]
Sustmann and Trill, 1972
Sustmann, R.; Trill, H.,
Photoelektronenspektroskopische Bestimmung von Substituenten-Effekten. II. α,β-ungesattigte Carbonester,
Tetrahedron Lett., 1972, 42, 4271. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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