(Z)-3-Pentenoic acid ethyl ester
- Formula: C7H12O2
- Molecular weight: 128.1690
- IUPAC Standard InChI: InChI=1S/C7H12O2/c1-3-5-6-7(8)9-4-2/h3,5H,4,6H2,1-2H3/b5-3+
- IUPAC Standard InChIKey: UMLQAWUDAFCGGS-HWKANZROSA-N
- CAS Registry Number: 27829-70-5
- Chemical structure:
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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 | -387. ± 4. | kJ/mol | Ccb | Schjanberg, 1938 | Heat of formation dervied 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 | -432. ± 3. | kJ/mol | Ccb | Schjanberg, 1938 | Heat of formation dervied by Cox and Pilcher, 1970 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -4037. ± 3. | kJ/mol | Ccb | Schjanberg, 1938 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4034. ± 3. kJ/mol; Corresponding ΔfHºliquid = -432.2 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 45. ± 1. | kJ/mol | E | Schjanberg, 1938 | Heat of formation dervied by Cox and Pilcher, 1970; ALS |
| ΔvapH° | 45.0 | kJ/mol | N/A | Schjanberg, 1938 | DRB |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schjanberg, 1938
Schjanberg, E.,
Cis-pentensyreetylestrarnas forbranningsvarmen, refraktionsdata och alkaliska hydrolys,
Svensk. Kim. Tidr., 1938, 50, 102-106. [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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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 ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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