(Z)-CH3CH=CHCH2COOH
- Formula: C5H8O2
- Molecular weight: 100.1158
- IUPAC Standard InChI: InChI=1S/C5H8O2/c1-2-3-4-5(6)7/h2-3H,4H2,1H3,(H,6,7)/b3-2-
- IUPAC Standard InChIKey: UIUWNILCHFBLEQ-IHWYPQMZSA-N
- CAS Registry Number: 33698-87-2
- 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. - Stereoisomers:
- Other names: cis-Beta,gamma-penteneoic acid
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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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -4034. | kJ/mol | Cm | Schjanberg, 1938 | Corresponding ΔfHºliquid = 923.4 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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tc | 646.87 | K | N/A | D'Souza and Teja, 1987 | Uncertainty assigned by TRC = 3. K; Ambrose's procedure |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 38.7866 | bar | N/A | D'Souza and Teja, 1987 | Uncertainty assigned by TRC = 1.00 bar; Ambrose's procedure |
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]
D'Souza and Teja, 1987
D'Souza, R.; Teja, A.S.,
The prediction of the vapor pressures of carboxylic acids,
Chem. Eng. Commun., 1987, 61, 13. [all data]
Notes
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- Symbols used in this document:
Pc Critical pressure Tc Critical temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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