1,3-Dioxepane
- Formula: C5H10O2
- Molecular weight: 102.1317
- IUPAC Standard InChI: InChI=1S/C5H10O2/c1-2-4-7-5-6-3-1/h1-5H2
- IUPAC Standard InChIKey: CZLMRJZAHXYRIX-UHFFFAOYSA-N
- CAS Registry Number: 505-65-7
- Chemical structure:
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas | 80.9 ± 1.1 | cal/mol*K | N/A | Clegg G.A., 1970 |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 8.499 | 50. | Dorofeeva O.V., 1992 | p=1 bar. |
| 11.56 | 100. | ||
| 15.06 | 150. | ||
| 18.71 | 200. | ||
| 24.857 | 273.15 | ||
| 27.15 ± 0.84 | 298.15 | ||
| 27.328 | 300. | ||
| 36.678 | 400. | ||
| 45.160 | 500. | ||
| 52.323 | 600. | ||
| 58.291 | 700. | ||
| 63.291 | 800. | ||
| 67.510 | 900. | ||
| 71.087 | 1000. | ||
| 74.135 | 1100. | ||
| 76.740 | 1200. | ||
| 78.972 | 1300. | ||
| 80.894 | 1400. | ||
| 82.555 | 1500. |
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 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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -719.2 | kcal/mol | Ccb | Skuratov, Strepikheev, et al., 1957 | Combustion of liq at 293 K; Corresponding ΔfHºliquid = -92.6 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 |
|---|---|---|---|
| 39.9 | 298. | Conti, Gianni, et al., 1976 | DH |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.8 | 293. | V | Skuratov, Strepikheev, et al., 1957 | Combustion of liq at 293 K |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Clegg G.A., 1970
Clegg G.A.,
Thermodynamics of polymerization of heterocyclic compounds. Part 6. The heat capacity, entropy, enthalpy and free energy of 1,3-dioxepan and poly-1,3-dioxepan,
Polymer, 1970, 11, 245-252. [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]
Skuratov, Strepikheev, et al., 1957
Skuratov, S.M.; Strepikheev, A.A.; Shtekhter, S.M.; Volokhina, A.V.,
About the enthalpies of polymerization of cyclic formales,
Dokl. Akad. Nauk SSSR, 1957, 117, 263-265. [all data]
Conti, Gianni, et al., 1976
Conti, G.; Gianni, P.; Matteoli, E.; Mengheri, M.,
Capacita termiche molari di alcuni composti organici mono- e bifunzionali nel liquido puro e in soluzione acquosa a 25C,
Chim. Ind. (Milan), 1976, 58, 225. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid S°gas Entropy of gas at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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