Benzamide
- Formula: C7H7NO
- Molecular weight: 121.1366
- IUPAC Standard InChIKey: KXDAEFPNCMNJSK-UHFFFAOYSA-N
- CAS Registry Number: 55-21-0
- 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. - Species with the same structure:
- Other names: Benzoic acid amide; Benzoylamide; Phenylcarboxyamide
- Information on this page:
- Other data available:
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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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 561. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 401. ± 3. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 102. ± 1. | kJ/mol | C | Gomez and Sabbah, 1982 | Based on data from 323. to 349. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
96.9 | 333.5 | A | Stephenson and Malanowski, 1987 | Based on data from 325. to 342. K. See also Aihara, 1960.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.760 | 403. | N/A | Steele, Chirico, et al., 1990 | DH |
19.15 | 402.1 | DSC | Brittain, 2009 | AC |
18.49 | 402.3 | N/A | Acree, 1991 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Gomez and Sabbah, 1982
Gomez, L.A.T.; Sabbah, R.,
Thermodynamique de substances azotees. IX. Etude thermochimique de la benzamide. Comparaison des grandeurs energetiques liees a la structure de quelques amides et thioamides,
Thermochim. Acta, 1982, 58, 311-315. [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]
Steele, Chirico, et al., 1990
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
Determination of ideal-gas enthalpies of formation for key compounds,
Am. Inst. Chem. Eng. Symp. Ser. (AIChE Symp. Ser.), 1990, 138-154. [all data]
Brittain, 2009
Brittain, Harry G.,
Vibrational Spectroscopic Studies of Cocrystals and Salts. 1. The Benzamide-Benzoic Acid System,
Crystal Growth & Design, 2009, 9, 5, 2492-2499, https://doi.org/10.1021/cg801397t
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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