Furan, 2,5-dihydro-
- Formula: C4H6O
- Molecular weight: 70.0898
- IUPAC Standard InChI: InChI=1S/C4H6O/c1-2-4-5-3-1/h1-2H,3-4H2
- IUPAC Standard InChIKey: ARGCQEVBJHPOGB-UHFFFAOYSA-N
- CAS Registry Number: 1708-29-8
- 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. - Other names: 2,5-Dihydrofuran; 1-Oxa-3-cyclopentene; 3-Oxolene
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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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 12.26 | 200. | Klots T.D., 1994 | Recommended entropies and heat capacities agree with previous statistically calculated values [ Chao J., 1986, Dorofeeva O.V., 1992] within 1-3.5 J/mol*K. |
| 17.50 ± 0.026 | 298.15 | ||
| 17.61 | 300. | ||
| 23.70 | 400. | ||
| 29.125 | 500. | ||
| 33.619 | 600. | ||
| 37.314 | 700. | ||
| 40.387 | 800. | ||
| 42.968 | 900. | ||
| 45.151 | 1000. |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 339.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
| Tboil | 337.4 | K | N/A | Ueda and Shimanouchi, 1967 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Tboil | 339.65 | K | N/A | Strohmeyer, 1965 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 340.15 | K | N/A | Kimura, 1955 | Uncertainty assigned by TRC = 2. K; TRC |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
By formula: H2 + C4H6O = C4H8O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -27.98 ± 0.31 | kcal/mol | Chyd | Allinger, Glaser, et al., 1981 | liquid phase; solvent: Hexane |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Klots T.D., 1994
Klots T.D.,
Vibrational assignment and analysis for 2,3-dihydrofuran and 2,5-dihydrofuran,
Spectrochim. Acta, 1994, A50, 1725-1748. [all data]
Chao J., 1986
Chao J.,
Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties,
J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]
Dorofeeva O.V., 1992
Dorofeeva O.V.,
Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 1. Three-membered, four-membered and five-membered rings,
Thermochim. Acta, 1992, 194, 9-46. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Ueda and Shimanouchi, 1967
Ueda, T.; Shimanouchi, T.,
Ring-Puckering Motion of 1,5-Dihydrofuran,
J. Chem. Phys., 1967, 47, 4042. [all data]
Strohmeyer, 1965
Strohmeyer, M.,
, 1965. [all data]
Kimura, 1955
Kimura, R.,
Yakugaku Zasshi, 1955, 75, 1175. [all data]
Allinger, Glaser, et al., 1981
Allinger, N.L.; Glaser, J.A.; Davis, H.E.,
Heats of hydrogenation of some vinyl ethers and related compounds,
J. Org. Chem., 1981, 46, 658-661. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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