Ethanone, 1,1'-(1,4-phenylene)bis-
- Formula: C10H10O2
- Molecular weight: 162.1852
- IUPAC Standard InChI: InChI=1S/C10H10O2/c1-7(11)9-3-5-10(6-4-9)8(2)12/h3-6H,1-2H3
- IUPAC Standard InChIKey: SKBBQSLSGRSQAJ-UHFFFAOYSA-N
- CAS Registry Number: 1009-61-6
- 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: Benzene, p-diacetyl-; p-Acetylacetophenone; p-Diacetylbenzene; 1,4-Diacetylbenzene
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 19.6 | 403. | A | Stephenson and Malanowski, 1987 | Based on data from 388. to 431. K. |
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 203.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 196.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.062 ± 0.087 | IMRE | Mishima, Huh, et al., 1995 | ΔGea(343 K)=-25.4 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B |
| 1.041 ± 0.087 | IMRE | Huh, Kang, et al., 1999 | ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.61 | PE | Gal, Geribaldi, et al., 1985 | Vertical value; LBLHLM |
IR Spectrum
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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 by: Coblentz Society, Inc.
Spectrum
A digitized version of this spectrum is not currently available.
Additional Data
View scan of original (hardcopy) spectrum.
| Owner | COBLENTZ SOCIETY Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Source reference | COBLENTZ NO. 8580 |
| Date | Not specified, most likely prior to 1971 |
| Instrument | Not specified, most likely a prism, grating, or hybrid spectrometer. |
| Data processing | (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE) |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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-3818 |
| NIST MS number | 232247 |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1470. | Guichard and Souty, 1988 | H2, 30. C @ 5. min, 1.5 K/min; Column length: 0.32 m; Column diameter: 1. mm; Tend: 180. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-5 | 1451. | Sebastian, Viallon-Fernandez, et al., 2003 | 60. m/0.32 mm/1.0 μm, Helium, 3. K/min; Tstart: 30. C; Tend: 230. C |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Mishima, Huh, et al., 1995
Mishima, M.; Huh, C.; Lee, H.W.; Nakamura, H.; Fujio, M.; Tsuno, Y.,
Electron affinities of acetophenones and methyl benzoates. Varying resonance demand of aromatic radical anions,
Tetrahed. Lett., 1995, 36, 13, 2265, https://doi.org/10.1016/0040-4039(95)00267-G
. [all data]
Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S.,
Electron affinities and electron transfer reactions,
Chem. Rev., 1987, 87, 513. [all data]
Huh, Kang, et al., 1999
Huh, C.; Kang, C.H.; Lee, H.W.; Nakamura, H.; Mishima, M.; Tsuno, Y.; Yamataka, H.,
Thermodynamic stabilities and resonance demand of aromatic radical anions in the gas phase,
Bull. Chem. Soc. Japan, 1999, 72, 5, 1083-1091, https://doi.org/10.1246/bcsj.72.1083
. [all data]
Gal, Geribaldi, et al., 1985
Gal, J.-F.; Geribaldi, S.; Pfister-Guillouzo, G.; Morris, D.G.,
Basicity of the carbonyl group. Part 12. Correlations between ionization potentials and lewis basicities in aromatic carbonyl compounds,
J. Chem. Soc. Perkin Trans. 2, 1985, 103. [all data]
Guichard and Souty, 1988
Guichard, E.; Souty, M.,
Comparison of the relative quantities of aroma compounds found in fresh apricot (Prunus armeniaca) from six different varieties,
Z. Lebensm. Unters. Forsch., 1988, 186, 4, 301-307, https://doi.org/10.1007/BF01027031
. [all data]
Sebastian, Viallon-Fernandez, et al., 2003
Sebastian, I.; Viallon-Fernandez, C.; Berge, P.; Berdague, J.-L.,
Analysis of the volatile fraction of lamb fat tissue: influence of the type of feeding,
Sciences des Aliments, 2003, 23, 4, 497-511, https://doi.org/10.3166/sda.23.497-511
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
EA Electron affinity ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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