Ethanone, 1,2-diphenyl-
- Formula: C14H12O
- Molecular weight: 196.2445
- IUPAC Standard InChIKey: OTKCEEWUXHVZQI-UHFFFAOYSA-N
- CAS Registry Number: 451-40-1
- 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: Acetophenone, 2-phenyl-; Benzoin, deoxy-; Benzyl phenyl ketone; Deoxybenzoin; Desoxybenzoin; Phenyl benzyl ketone; 1,2-Diphenylethanone; 2-Phenylacetophenone; 1,2-Diphenylethan-1-one
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Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -16.99 | kcal/mol | Ccb | Parks and Mosher, 1962 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1709.6 ± 0.7 | kcal/mol | Ccb | Parks and Mosher, 1962 | Corresponding ΔfHºsolid = -16.97 kcal/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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 593.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 329. | K | N/A | Roger and McGregor, 1934 | Uncertainty assigned by TRC = 3. K; TRC |
Tfus | 330. | K | N/A | Jenkins, 1933 | Uncertainty assigned by TRC = 4. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
16.3 | 411. | A | Stephenson and Malanowski, 1987 | Based on data from 396. to 594. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
396.5 to 594. | 5.28851 | 2972.291 | -32.259 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C14H12O+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.50 | PE | Centineo, Fragala, et al., 1978 | LLK |
8.90 | PE | Centineo, Fragala, et al., 1978 | Vertical value; LLK |
IR Spectrum
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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, 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: 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 | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 133769 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, 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: 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 | SE-54 | 1537.1 | Shapi and Hesso, 1990 | 25. m/0.32 mm/0.15 μm, He, 40. C @ 1. min, 5. K/min, 280. C @ 15. min |
References
Go To: Top, Condensed phase thermochemistry data, 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.
Parks and Mosher, 1962
Parks, G.S.; Mosher, H.P.,
Heats of combustion and formation of seven organic compounds containing oxygen,
J. Chem. Phys., 1962, 37, 919-920. [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]
Roger and McGregor, 1934
Roger, R.; McGregor, A.,
The Action of Grignard reagent on Desyl Chloride. Part I. Aryl Grignard Reagent,
J. Chem. Soc., 1934, 1934, 1850-3. [all data]
Jenkins, 1933
Jenkins, S.S.,
The Grignard Reaction in the Synthesis of Ketones I. A New Method of Preparing Desoxybenzoin,
J. Am. Chem. Soc., 1933, 55, 703-6. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Centineo, Fragala, et al., 1978
Centineo, G.; Fragala, I.; Bruno, G.; Spampinato, S.,
Photoelectron spectroscopy of benzophenone, acetophenone and their ortho-alkyl derivatives,
J. Mol. Struct., 1978, 44, 203. [all data]
Shapi and Hesso, 1990
Shapi, M.M.; Hesso, A.,
Thermal decomposition of polystyrene volatile compounds from large-scale pyrolysis,
J. Anal. Appl. Pyrolysis, 1990, 18, 2, 143-161, https://doi.org/10.1016/0165-2370(90)80004-8
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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