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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IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- GAS (8 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3800-1340, 10% IN CS2 FOR 1340-460 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 4000-1330 CM-1, 10% IN CS2 FOR 1330-600 CM-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
UV/Visible spectrum
Go To: Top, IR Spectrum, Vibrational and/or electronic energy levels, 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Pickett, Hoeflich, et al., 1951 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 3275 |
Instrument | Hilger fluorite prism spectrograph |
Melting point | 11.8 |
Boiling point | 101.5 |
Vibrational and/or electronic energy levels
Go To: Top, IR Spectrum, UV/Visible spectrum, 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: Takehiko Shimanouchi
Symmetry: C2h Symmetry Number σ = 2
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
ag | 1 | CH2 a-str | 2968 | C | ia | 2968 S p | liq. | |||
ag | 2 | CH2 s-str | 2856 | C | ia | 2856 S p | liq. | |||
ag | 3 | CH2 scis | 1444 | C | ia | 1444 M p | liq. | |||
ag | 4 | CH2 wag | 1397 | C | ia | 1397 W p | liq. | |||
ag | 5 | CH2 twist | 1305 | C | ia | 1305 S p | liq. | |||
ag | 6 | CH2 rock | 1128 | C | ia | 1128 M p | liq. | |||
ag | 7 | CC str | 1015 | C | ia | 1015 S p | liq. | |||
ag | 8 | CO str | 837 | C | ia | 837 VS p | liq. | |||
ag | 9 | OCC deform | 435 | C | ia | 435 M | liq. | |||
ag | 10 | COC deform | 424 | C | ia | 424 M p | liq. | |||
au | 11 | CH2 a-str | 2970 | C | 2970 M | gas | ia | |||
au | 12 | CH2 s-str | 2863 | C | 2863 VS | gas | ia | |||
au | 13 | CH2 scis | 1449 | C | 1449 S | gas | ia | |||
au | 14 | CH2 wag | 1369 | C | 1369 S | gas | ia | |||
au | 15 | CH2 twist | 1256 | C | 1256 S | gas | ia | |||
au | 16 | CO str | 1136 | C | 1136 VS | gas | ia | |||
au | 17 | CH2 rock | 1086 | C | 1086 S | gas | ia | |||
au | 18 | CC str | 881 | C | 881 S | gas | ia | |||
au | 19 | OCC deform | 288 | C | 288 W sh | gas | ia | |||
bg | 20 | CH2 a-str | 2968 | C | ia | 2968 S p | liq. | SF(ν1) | ||
bg | 21 | CH2 s-str | 2856 | C | ia | 2856 S p | liq. | SF(ν2) | ||
bg | 22 | CH2 scis | 1459 | C | ia | 1459 M dp | liq. | |||
bg | 23 | CH2 wag | 1335 | C | ia | 1335 W | liq. | |||
bg | 24 | CH2 twist | 1217 | C | ia | 1217 M dp | liq. | |||
bg | 25 | CO str | 1110 | C | ia | 1110 M dp | liq. | |||
bg | 26 | CH2 rock | 853 | C | ia | 853 M sh dp | liq. | |||
bg | 27 | OCC deform | 490 | C | ia | 490 M dp | liq. | |||
bu | 28 | CH2 a-str | 2970 | C | 2970 M | gas | ia | SF(ν11) | ||
bu | 29 | CH2 a-str | 2863 | C | 2863 VS | gas | ia | SF(ν12) | ||
bu | 30 | CH2 scis | 1457 | C | 1457 S | gas | ia | |||
bu | 31 | CH2 wag | 1378 | C | 1378 M | gas | ia | |||
bu | 32 | CH2 twist | 1291 | C | 1291 S | gas | ia | |||
bu | 33 | CH2 rock | 1052 | C | 1052 S | gas | ia | |||
bu | 34 | CO str | 889 | C | 889 S | gas | ia | |||
bu | 35 | OCC deform | 610 | C | 610 S | gas | ia | |||
bu | 36 | COC deform | 274 | C | 274 S | gas | ia | |||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
ia | Inactive |
sh | Shoulder |
p | Polarized |
dp | Depolarized |
SF | Calculation shows that the frequency approximately equals that of the vibration indicated in the parentheses. |
C | 3~6 cm-1 uncertainty |
References
Go To: Top, IR Spectrum, UV/Visible spectrum, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Pickett, Hoeflich, et al., 1951
Pickett, L.W.; Hoeflich, N.J.; Liu, T.-C.,
The vacuum ultraviolet absorption spectra of cyclic compounds. II. Tetrahydrofuran, tetrahydropyran, 1,4-dioxane and furan,
J. Am. Chem. Soc., 1951, 73, 4865-4869. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, IR Spectrum, UV/Visible spectrum, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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