7-Oxabicyclo[4.1.0]heptane
- Formula: C6H10O
- Molecular weight: 98.1430
- IUPAC Standard InChI: InChI=1S/C6H10O/c1-2-4-6-5(3-1)7-6/h5-6H,1-4H2
- IUPAC Standard InChIKey: ZWAJLVLEBYIOTI-UHFFFAOYSA-N
- CAS Registry Number: 286-20-4
- 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: Cyclohexane, 1,2-epoxy-; Cyclohexene epoxide; Cyclohexene oxide; Cyclohexene 1-oxide; Cyclohexylene oxide; Tetramethyleneoxirane; 1,2-Cyclohexene oxide; 1,2-Epoxycyclohexane; Bicyclo[4.1.0]heptane, 7-oxa-; CCHO; NSC 128074
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -125.5 ± 1.1 | kJ/mol | Ccb | Kozina, Timofeeva, et al., 1988 | See Timofeeva, Lukyanova, et al., 1984 |
| ΔfH°gas | -122.2 ± 2.2 | kJ/mol | Ccb | Andruzzi, Li, et al., 1987 |
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
View reactions leading to C6H10O+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 848.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 815.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.82 | EI | Alai and Rye, 1984 | LBLHLM |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C5H7O+ | 9.90 | CH3 | EI | Alai and Rye, 1984 | LBLHLM |
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.
Kozina, Timofeeva, et al., 1988
Kozina, M.P.; Timofeeva, L.P.; Luk'Yanova, V.A.; Pimenova, S.M.; Kas'yan, L.I.,
Enthalpies of formation and some alicyclic epoxy compounds,
Russ. J. Phys. Chem. (Engl. Transl.), 1988, 62, 609-612. [all data]
Timofeeva, Lukyanova, et al., 1984
Timofeeva, L.P.; Lukyanova, V.A.; Kozina, M.P.; Stepanova, N.V.,
Enthalpies of combustion and formation of some epoxides of cyclic alkenes,
Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 1, 193-195. [all data]
Andruzzi, Li, et al., 1987
Andruzzi, F.; Li, S.; Pilcher, G.; Heatley, F.,
Enthalpy of polymerisation of 7-oxabicyclo[4.1.0]heptane,
Makromol. Chem., 1987, 188, 2643-2650. [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]
Alai and Rye, 1984
Alai, M.; Rye, R.T.B.,
Fragmentation of selected C6H10O isomers: Evidence for a common [C5H7O]+ ion generated by methyl loss from cyclohexene oxide and 5,6-dihydro-4-methyl-2H-pyran,
Org. Mass Spectrom., 1984, 19, 506. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.