1,4-Dioxane
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChIKey: RYHBNJHYFVUHQT-UHFFFAOYSA-N
- CAS Registry Number: 123-91-1
- 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: p-Dioxane; p-Dioxan; Di(ethylene oxide); Diethylene dioxide; Diethylene ether; Dioxan; Dioxane; Dioxyethylene ether; 1,4-Diethylene dioxide; 1,4-Dioxan; 1,4-Dioxacyclohexane; Glycol ethylene ether; Tetrahydro-p-dioxin; Diokan; Dioksan; Diossano-1,4; Dioxaan-1,4; Dioxan-1,4; Dioxane-1,4; Dioxanne; NCI-C03689; Tetrahydro-1,4-dioxin; p-Dioxin, tetrahydro-; Rcra waste number U108; UN 1165; 1,4-Dioxin, tetrahydro-; 1,4-Diethyleneoxide; Glycol ethylene ether 8; NE 220; NSC 8728
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Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H8O2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.19 ± 0.01 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 190.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 184.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.19 ± 0.01 | PIPECO | Fraser-Monteiro, Fraser-Monteiro, et al., 1982 | LBLHLM |
9.13 ± 0.03 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
9.4 | PE | Bieri, Asbrink, et al., 1982 | Vertical value; LBLHLM |
9.43 | PE | Kimura, Katsumata, et al., 1981 | Vertical value; LLK |
9.41 | PE | Kobayashi and Nagakura, 1973 | Vertical value; LLK |
9.3 ± 0.1 | SI | Gol'denfel'd, Korostyshevskii, et al., 1973 | Vertical value; LLK |
9.43 | PE | Sweigart and Turner, 1972 | Vertical value; LLK |
Appearance energy determinations
References
Go To: Top, 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.
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]
Fraser-Monteiro, Fraser-Monteiro, et al., 1982
Fraser-Monteiro, M.L.; Fraser-Monteiro, L.; Butler, J.J.; Baer, T.; Hass, J.R.,
Thermochemistry and dissociation dynamics of state-selected C4H8O2+ ions. 1. 1,4-Dioxane,
J. Phys. Chem., 1982, 86, 739. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Bieri, Asbrink, et al., 1982
Bieri, G.; Asbrink, L.; Von Niessen, W.,
30.4-nm He(II) photoelectron spectra of organic molecules,
J. Electron Spectrosc. Relat. Phenom., 1982, 27, 129. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Kobayashi and Nagakura, 1973
Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of tetrahydropyran, 1,3-dioxane, and 1,4-dioxane,
Bull. Chem. Soc. Jpn., 1973, 46, 1558. [all data]
Gol'denfel'd, Korostyshevskii, et al., 1973
Gol'denfel'd, I.V.; Korostyshevskii, I.Z.; Mischanchuk, B.G.; Pokrovskii, V.A.,
Determination of ionization potentials of atoms and molecules using a field mass spectrometer equipped with an energy analyzer,
Dokl. Akad. Nauk SSSR, 1973, 213, 626. [all data]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. II. Equivalent orbitals in saturated oxygen and sulfur J. Heterocycl. Chem.,
J. Am. Chem. Soc., 1972, 94, 5599. [all data]
Collin and Conde, 1966
Collin, J.E.; Conde, G.,
L'ionisation et la dissociation des polyethers cycliques soumis a l'impact electronique,
Bull. Classe Sci. Acad. Roy. Belg., 1966, 52, 978. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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