1,3,5,7-Tetroxane
- Formula: C4H8O4
- Molecular weight: 120.1039
- IUPAC Standard InChI: InChI=1S/C4H8O4/c1-5-2-7-4-8-3-6-1/h1-4H2
- IUPAC Standard InChIKey: XGJWQNKXTXSVML-UHFFFAOYSA-N
- CAS Registry Number: 293-30-1
- 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: 1,3,5,7-Tetraoxoacane; 1,3,5,7-Tetroxocane
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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 | -620.24 ± 0.67 | kJ/mol | Ccr | Mansson, Morawetz, et al., 1969 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas | 345.6 ± 4.6 | J/mol*K | N/A | Clegg G.A., 1969 | GT |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 38.67 | 50. | Dorofeeva O.V., 1992 | p=1 bar.; GT |
| 50.59 | 100. | ||
| 65.52 | 150. | ||
| 81.62 | 200. | ||
| 107.06 | 273.15 | ||
| 116.3 ± 4.5 | 298.15 | ||
| 116.94 | 300. | ||
| 153.87 | 400. | ||
| 187.14 | 500. | ||
| 215.07 | 600. | ||
| 238.15 | 700. | ||
| 257.29 | 800. | ||
| 273.27 | 900. | ||
| 286.71 | 1000. | ||
| 298.07 | 1100. | ||
| 307.71 | 1200. | ||
| 315.94 | 1300. | ||
| 322.98 | 1400. | ||
| 329.05 | 1500. |
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.
Mansson, Morawetz, et al., 1969
Mansson, M.; Morawetz, E.; Nakase, Y.; Sunner, S.,
The enthalpies of formation of trioxane and tetroxane,
Acta Chem. Scand., 1969, 23, 56-60. [all data]
Clegg G.A., 1969
Clegg G.A.,
Thermodynamics of polymerization of heterocyclic compounds. Part III. The heat capacity, entropy, enthalpy and free energy of tetroxan,
Makromol. Chem., 1969, 123, 184-193. [all data]
Dorofeeva O.V., 1992
Dorofeeva O.V.,
Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 2. Six-membered, seven-membered and eight-membered rings,
Thermochim. Acta, 1992, 200, 121-150. [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 ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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