1,3-Dioxane
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChI: InChI=1S/C4H8O2/c1-2-5-4-6-3-1/h1-4H2
- IUPAC Standard InChIKey: VDFVNEFVBPFDSB-UHFFFAOYSA-N
- CAS Registry Number: 505-22-6
- 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: m-Dioxane; m-Dioxin, dihydro-; 1,3-Dioxacyclohexane; 1,3-Propanediol formal
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction 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
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -338.4 ± 1.1 | kJ/mol | Ccr | Bystrm and Mansson, 1982 | ALS |
| ΔfH°gas | -349.6 | kJ/mol | N/A | Pihlaja and Luoma, 1968 | Value computed using ΔfHliquid° value of -384.6±1.8 kj/mol from Pihlaja and Luoma, 1968 and ΔvapH° value of 35.0 kj/mol from Pihlaja and Heikkila, 1967.; DRB |
| ΔfH°gas | -350. ± 2. | kJ/mol | Ccb | Pihlaja and Heikkila, 1967 | ALS |
| ΔfH°gas | -341. ± 2. | kJ/mol | Ccb | Snelson and Skinner, 1961 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 33.72 | 50. | Dorofeeva O.V., 1992 | p=1 bar. Selected values are in close agreement with statistically calculated values given in [ Thermodynamics Research Center, 1997]. The value of -(G-Ho)/T at 298.15 K obtained from absolute intensity measurements in the microwave spectrum [ Curl R.F., 1973] is 2 J/mol*K higher than that obtained by [ Dorofeeva O.V., 1992].; GT |
| 40.36 | 100. | ||
| 50.54 | 150. | ||
| 61.93 | 200. | ||
| 81.80 | 273.15 | ||
| 89.4 ± 1.5 | 298.15 | ||
| 89.97 | 300. | ||
| 121.54 | 400. | ||
| 150.80 | 500. | ||
| 175.77 | 600. | ||
| 196.67 | 700. | ||
| 214.19 | 800. | ||
| 228.96 | 900. | ||
| 241.46 | 1000. | ||
| 252.10 | 1100. | ||
| 261.17 | 1200. | ||
| 268.93 | 1300. | ||
| 275.61 | 1400. | ||
| 281.37 | 1500. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Reaction 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 | -377.5 ± 1.1 | kJ/mol | Ccr | Bystrm and Mansson, 1982 | ALS |
| ΔfH°liquid | -384.6 ± 1.8 | kJ/mol | Ccb | Pihlaja and Luoma, 1968 | ALS |
| ΔfH°liquid | -385. ± 1. | kJ/mol | Ccb | Pihlaja and Heikkila, 1967 | ALS |
| ΔfH°liquid | -376.6 ± 0.84 | kJ/mol | Ccb | Snelson and Skinner, 1961 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2333. ± 10. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 143.9 | 298. | Conti, Gianni, et al., 1976 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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 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
2 =
By formula: 2C4H8O2 = C8H16O4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -9.9 ± 2.8 | kJ/mol | Eqk | Szymanski, 1991 | solid phase |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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.
Bystrm and Mansson, 1982
Bystrm, K.; Mansson, M.,
Enthalpies of formation of some cyclic 1,3- and 1,4-Di- and poly-ethers: Thermochemical strain in the -O-C-O and -O-C-C-O- groups,
J. Chem. Soc. Perkin Trans. 2, 1982, 565. [all data]
Pihlaja and Luoma, 1968
Pihlaja, K.; Luoma, S.,
Heats of formation and conformational energies of 1,3-dioxane and its methyl homologues,
Acta Chem. Scand., 1968, 22, 2401-2414. [all data]
Pihlaja and Heikkila, 1967
Pihlaja, K.; Heikkila, J.,
The configurations of isomeric 2,2,4,6-tetramethyl-1,3-dioxanes,
Acta Chem. Scand., 1967, 21, 2430-2434. [all data]
Snelson and Skinner, 1961
Snelson, A.; Skinner, H.A.,
Heats of combustion: sec-propanol, 1,4-dioxan, 1,3-dioxan and tetrahydropyran,
Trans. Faraday Soc., 1961, 57, 2125-2131. [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]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Curl R.F., 1973
Curl R.F.,
Determination of thermodynamic functions from absolute intensity measurements in microwave spectroscopy,
J. Am. Chem. Soc., 1973, 95, 6182-6190. [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]
Szymanski, 1991
Szymanski, R.,
Equilibrium between 1,3 and its cyclooligomers,
Makromol. Chem., 1991, 192, 2961-2968. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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 ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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