Furan, 2,3-dihydro-
- Formula: C4H6O
- Molecular weight: 70.0898
- IUPAC Standard InChI: InChI=1S/C4H6O/c1-2-4-5-3-1/h1,3H,2,4H2
- IUPAC Standard InChIKey: JKTCBAGSMQIFNL-UHFFFAOYSA-N
- CAS Registry Number: 1191-99-7
- 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: 2,3-Dihydrofuran; 4,5-Dihydrofuran
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -17.27 ± 0.098 | kcal/mol | Ccr | Steele, Chirico, et al., 1989 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 11.86 | 200. | Klots T.D., 1994 | Earlier thermodynamic functions of this molecule were calculated using estimated values of vibrational frequencies [ Dorofeeva O.V., 1992]. These later values of S(T) and Cp(T) are 1.0-3.7 J/mol*K larger than selected ones.; GT |
| 17.27 ± 0.14 | 298.15 | ||
| 17.37 | 300. | ||
| 23.55 | 400. | ||
| 28.975 | 500. | ||
| 33.466 | 600. | ||
| 37.141 | 700. | ||
| 40.182 | 800. | ||
| 42.746 | 900. | ||
| 44.912 | 1000. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -24.622 ± 0.091 | kcal/mol | Ccr | Steele, Chirico, et al., 1989 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -556.527 ± 0.091 | kcal/mol | Ccr | Steele, Chirico, et al., 1989 | Corresponding ΔfHºliquid = -24.622 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 29.18 | 298.15 | Steele, Chirico, et al., 1989 | DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
Determination of some pure compound ideal-gas enthalpies of formation,
AIChE Symp. Ser., 1989, 85, 140-162. [all data]
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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid 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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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