Benzeneacetamide
- Formula: C8H9NO
- Molecular weight: 135.1632
- IUPAC Standard InChIKey: LSBDFXRDZJMBSC-UHFFFAOYSA-N
- CAS Registry Number: 103-81-1
- 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: Acetamide, 2-phenyl-; α-Phenylacetamide; α-Toluamide; Phenyl-β-acetylamine; Phenylacetic acid amide; 2-Phenylacetamide; Phenylacetamide
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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 | -53.54 ± 0.91 | kcal/mol | Ccb | Ryskalieva, Abramova, et al., 1990 | |
ΔfH°solid | -50.11 | kcal/mol | Ccb | Ciocazanu, Dogaru, et al., 1976 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1006.31 ± 0.91 | kcal/mol | Ccb | Ryskalieva, Abramova, et al., 1990 | |
ΔcH°solid | -1009.64 | kcal/mol | Ccb | Ciocazanu, Dogaru, et al., 1976 |
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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.0 | 340.5 | A | Stephenson and Malanowski, 1987 | Based on data from 329. to 352. K. See also Aihara, 1960. |
Reaction 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C8H8NO- + =
By formula: C8H8NO- + H+ = C8H9NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 353.4 ± 2.2 | kcal/mol | G+TS | Taft, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 347.7 ± 2.0 | kcal/mol | IMRE | Taft, 1991 | gas phase |
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 by: John E. Bartmess
De-protonation reactions
C8H8NO- + =
By formula: C8H8NO- + H+ = C8H9NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 353.4 ± 2.2 | kcal/mol | G+TS | Taft, 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 347.7 ± 2.0 | kcal/mol | IMRE | Taft, 1991 | gas phase |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1411.9 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-351 | 2650. | Bonvehí, 2005 | 50. m/0.32 mm/0.2 μm, He, 5. K/min; Tstart: 60. C; Tend: 220. C |
Capillary | OV-351 | 2650. | Bonvehi and Coll, 2003 | 50. m/0.32 mm/0.2 μm, He, 5. K/min; Tstart: 60. C; Tend: 220. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 MS | 1393. | Jerkovic, Hegic, et al., 2010 | 30. m/0.25 mm/0.25 μm, Helium, 70. C @ 2. min, 3. K/min, 200. C @ 18. min |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 2660. | Krings, Zelena, et al., 2006 | 30. m/0.32 mm/0.25 μm, He; Program: 45C(5min) => 5C/min => 150C => 10C/min => 240C (10min) |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ryskalieva, Abramova, et al., 1990
Ryskalieva, A.K.; Abramova, G.V.; Nurakhmetov, N.N.; Erkasov, R.Sh.,
Heats of combustion and formation of α-phenylacetamide and isovaleramide,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1990, 33, 17-19. [all data]
Ciocazanu, Dogaru, et al., 1976
Ciocazanu, I.; Dogaru, V.; Zavoianu, D.,
Structure and reactivity of amides. Concerning the heats of combustion and formation of some unsaturated α, β amides derived from acetamide,
Rev. Chim. (Bucharest), 1976, 27, 4-6. [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]
Aihara, 1960
Aihara, Ariyuki,
Estimation of the Energy of Hydrogen Bonds Formed in Crystals. III. Amides,
Bull. Chem. Soc. Jpn., 1960, 33, 9, 1188-1194, https://doi.org/10.1246/bcsj.33.1188
. [all data]
Taft, 1991
Taft, R.W.,
, personal communication, Aug, 1991. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Bonvehí, 2005
Bonvehí, J.S.,
Investigation of aromatic compounds in roasted cocoa powder,
Eur. Food Res. Technol., 2005, 221, 1-2, 19-29, https://doi.org/10.1007/s00217-005-1147-y
. [all data]
Bonvehi and Coll, 2003
Bonvehi, J.S.; Coll, F.V.,
Flavour index and aroma profiles of fresh and processed honeys,
J. Sci. Food Agric., 2003, 83, 4, 275-282, https://doi.org/10.1002/jsfa.1308
. [all data]
Jerkovic, Hegic, et al., 2010
Jerkovic, I.; Hegic, G.; Marijanovic, Z.; Bubalo, D.,
Organic extractives from Mentha spp. honey and the bee-stomach: methyl syringate, vomifoliol, terpenediol I, hotrienol, and other compounds,
Molecules, 2010, 15, 4, 2911-2924, https://doi.org/10.3390/molecules15042911
. [all data]
Krings, Zelena, et al., 2006
Krings, U.; Zelena, K.; Wu, S.; Berger, R.G.,
Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder,
Eur. Food Res. Technol., 2006, 223, 5, 675-681, https://doi.org/10.1007/s00217-006-0252-x
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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