7-Oxabicyclo[2.2.1]heptane
- Formula: C6H10O
- Molecular weight: 98.1430
- IUPAC Standard InChIKey: YPWFNLSXQIGJCK-UHFFFAOYSA-N
- CAS Registry Number: 279-49-2
- 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: 7-Oxanorbornane; Cyclohexane, 1,4-epoxy-; Cyclohexane, 3,6-endoxo-; 1,4-Epoxycyclohexane; 1,4-Oxycyclohexane; 3,6-Endooxycyclohexane; 3,6-Endoxocyclohexane; Bicyclo[2.2.1]heptane, 7-oxa-
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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°liquid | -223.9 ± 2.0 | kJ/mol | Ccb | Bedford, Beezer, et al., 1963 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3566.3 ± 1.5 | kJ/mol | Ccr | Andruzzi, Pilcher, et al., 1977 | Corresponding ΔfHºliquid = -223.9 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -3566.3 ± 1.5 | kJ/mol | Ccb | Bedford, Beezer, et al., 1963 | Corresponding ΔfHºliquid = -223.9 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
392.2 | 0.951 | Weast and Grasselli, 1989 | BS |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
0.71 | 244. | DSC | Paroli, Gilson, et al., 1998 | AC |
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
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C6H10O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 844.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 816.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.57 ± 0.02 | PE | Bain, Bunzli, et al., 1973 | Vertical value; LLK |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3430 |
NIST MS number | 235010 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bedford, Beezer, et al., 1963
Bedford, A.F.; Beezer, A.E.; Mortimer, C.T.; Springall, H.D.,
Heats of combustion and molecular structure. Part IX. Bicylo[2,2,1]heptane, 7-oxabicyclo[2,2,1]heptane, and exo- and endo-2-methyl-7-oxabicyclo[2,2,1]heptane,
J. Chem. Soc., 1963, 3823-3828. [all data]
Andruzzi, Pilcher, et al., 1977
Andruzzi, F.; Pilcher, G.; Virmani, Y.; Plesch, P.H.,
Enthalpy of polymerization of 7-oxabicyclo[2.2.1]heptane, and exo- and endo-2-methyl-7-oxabicyclo[2.2.1]heptane,
Makromol. Chem., 1977, 178, 2367-2373. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Paroli, Gilson, et al., 1998
Paroli, Ralph M.; Gilson, Denis FR; Butler, Ian S.,
Spectroscopic and differential scanning calorimetric studies of the phase transitions in oxanorbornane,
Can. J. Chem., 1998, 76, 10, 1365-1370, https://doi.org/10.1139/v98-173
. [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]
Bain, Bunzli, et al., 1973
Bain, A.D.; Bunzli, J.C.; Frost, D.C.; Weiler, L.,
Photoelectron spectra of cyclic ethers,
J. Am. Chem. Soc., 1973, 95, 291. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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