2-Propanone, oxime
- Formula: C3H7NO
- Molecular weight: 73.0938
- IUPAC Standard InChIKey: PXAJQJMDEXJWFB-UHFFFAOYSA-N
- CAS Registry Number: 127-06-0
- 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: Acetone, oxime; β-Isonitrosopropane; Acetoxime; (CH3)2C=NOH; Acetonoxime
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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°solid | -34. | kcal/mol | Ccb | Landrieu, 1905 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -490.4 | kcal/mol | Ccb | Landrieu, 1905 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 408.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 406. | K | N/A | American Tokyo Kasei, 1988 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.3 | 345. | A | Stephenson and Malanowski, 1987 | Based on data from 338. to 352. K.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.2 | 323. | I | Stephenson and Malanowski, 1987 | Based on data from 313. to 333. K. See also Messow, B«65533»r, et al., 1975.; AC |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change 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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C3H7NO+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.1 | PE | Dargelos and Sandorfy, 1977 | LLK |
9.67 | PE | Dargelos and Sandorfy, 1977 | Vertical value; LLK |
De-protonation reactions
C3H6NO- + =
By formula: C3H6NO- + H+ = C3H7NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 366.0 ± 2.2 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 359.1 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Landrieu, 1905
Landrieu, Ph.,
Thermochimie. - Chaleur de formation des oximes,
C.R. Acad. Sc. Paris, 1905, 140, 867-870. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Messow, B«65533»r, et al., 1975
Messow, U.; B«65533»r, J.; Quitzsch, K.; Geiseler, G.,
Isotherme Dampfdruckmessungen an bin«65533»ren Oximgemischen,
J. Prakt. Chem., 1975, 317, 1, 114-122, https://doi.org/10.1002/prac.19753170113
. [all data]
Dargelos and Sandorfy, 1977
Dargelos, A.; Sandorfy, C.,
The photoelectron and far-ultraviolet absorption spectra of simple oximes,
J. Chem. Phys., 1977, 67, 3011. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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