Tetrahydrofuran
- Formula: C4H8O
- Molecular weight: 72.1057
- IUPAC Standard InChI: InChI=1S/C4H8O/c1-2-4-5-3-1/h1-4H2
- IUPAC Standard InChIKey: WYURNTSHIVDZCO-UHFFFAOYSA-N
- CAS Registry Number: 109-99-9
- 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: Furan, tetrahydro-; Butane α,δ-oxide; Butane, 1,4-epoxy-; Cyclotetramethylene oxide; Furanidine; Oxacyclopentane; Oxolane; Tetramethylene oxide; THF; Hydrofuran; Tetrahydrofuraan; Tetrahydrofuranne; Tetraidrofurano; NCI-C60560; Rcra waste number U213; UN 2056; Diethylene oxide; Dynasolve 150; Tetrahydrofurane; THF (tetrahydrofuran); NSC 57858
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Gas phase thermochemistry data
Go To: Top, 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 | -184.2 ± 0.71 | kJ/mol | Cm | Pell and Pilcher, 1965 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°gas | -2533.2 ± 0.67 | kJ/mol | Cm | Pell and Pilcher, 1965 | Corresponding ΔfHºgas = -184.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas | 301.7 ± 1.7 | J/mol*K | N/A | Clegg G.A., 1968 | Other third-law entropy values at 298.15 K evaluated from calorimetric data are 299.1 J/mol*K [ Chao J., 1986] and 288(1) J/mol*K [ Lebedev B.V., 1978].; GT |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 38.32 | 50. | Dorofeeva O.V., 1992 | p=1 bar. Selected thermodynamic functions agree well with results of other statistical calculations [ Scott D.W., 1970, Chao J., 1986].; GT |
| 40.34 | 100. | ||
| 44.64 | 150. | ||
| 52.15 | 200. | ||
| 69.51 | 273.15 | ||
| 76.6 ± 1.0 | 298.15 | ||
| 77.18 | 300. | ||
| 107.07 | 400. | ||
| 134.43 | 500. | ||
| 157.48 | 600. | ||
| 176.67 | 700. | ||
| 192.76 | 800. | ||
| 206.36 | 900. | ||
| 217.92 | 1000. | ||
| 227.78 | 1100. | ||
| 236.22 | 1200. | ||
| 243.47 | 1300. | ||
| 249.71 | 1400. | ||
| 255.11 | 1500. |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 85.13 ± 0.17 | 328.15 | Hossenlopp I.A., 1981 | GT |
| 91.36 ± 0.18 | 349.15 | ||
| 106.12 ± 0.21 | 399.15 | ||
| 120.39 ± 0.24 | 449.15 | ||
| 133.68 ± 0.27 | 500.15 |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pell and Pilcher, 1965
Pell, A.S.; Pilcher, G.,
Measurements of heats of combustion by flame calorimetry. Part 3.-Ethylene oxide, trimethylene oxide, tetrahydrofuran and tetrahydropy,
Trans. Faraday Soc., 1965, 61, 71-77. [all data]
Clegg G.A., 1968
Clegg G.A.,
Thermodynamics of polymerization of heterocyclic compounds. II. The heat capacity, entropy, enthalpy and free energy of polytetrahydrofuran,
Polymer, 1968, 9, 501-511. [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]
Lebedev B.V., 1978
Lebedev B.V.,
Thermodynamic properties of tetrahydrofuran from 8 to 322 K,
J. Chem. Thermodyn., 1978, 10, 321-329. [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]
Scott D.W., 1970
Scott D.W.,
Tetrahydrofuran: vibrational assignment, chemical thermodynamic properties, and vapor pressure,
J. Chem. Thermodyn., 1970, 2, 833-837. [all data]
Hossenlopp I.A., 1981
Hossenlopp I.A.,
Vapor heat capacities and enthalpies of vaporization of six organic compounds,
J. Chem. Thermodyn., 1981, 13, 405-414. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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