1,4-Dioxin, 2,3-dihydro-
- Formula: C4H6O2
- Molecular weight: 86.0892
- IUPAC Standard InChIKey: HIZVCIIORGCREW-UHFFFAOYSA-N
- CAS Registry Number: 543-75-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: p-Dioxin, 2,3-dihydro-
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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
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.227 | 50. | Dorofeeva O.V., 1992 | p=1 bar. |
9.814 | 100. | ||
11.90 | 150. | ||
14.41 | 200. | ||
18.90 | 273.15 | ||
20.57 ± 0.84 | 298.15 | ||
20.70 | 300. | ||
27.390 | 400. | ||
33.303 | 500. | ||
38.188 | 600. | ||
42.187 | 700. | ||
45.495 | 800. | ||
48.255 | 900. | ||
50.583 | 1000. | ||
52.557 | 1100. | ||
54.240 | 1200. | ||
55.681 | 1300. | ||
56.919 | 1400. | ||
57.990 | 1500. |
Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 196.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 189.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.07 ± 0.02 | PE | Bloch, Brogli, et al., 1978 | LLK |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Bloch, Brogli, et al., 1978
Bloch, M.; Brogli, F.; Heilbronner, E.; Jones, T.B.; Prinzbach, H.; Schweikert, O.,
138. Photoelectron spectra of unsaturated oxides. I. 1,4- dioxin and related systems,
Helv. Chim. Acta, 1978, 61, 1388. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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