Benzoic acid, 4-iodo-
- Formula: C7H5IO2
- Molecular weight: 248.0179
- IUPAC Standard InChIKey: GHICCUXQJBDNRN-UHFFFAOYSA-N
- CAS Registry Number: 619-58-9
- 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: Benzoic acid, p-iodo-; p-Iodobenzoic acid; 4-Iodobenzoic acid; p-Iodobenzenecarboxylic acid; 4-Jodbenzoesaeure
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 543.70 | K | N/A | Tan and Sabbah, 1994 | Uncertainty assigned by TRC = 0.03 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 21.0 ± 1.0 | kcal/mol | V | Smith, 1956 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 26.98 ± 0.60 | kcal/mol | N/A | Monte and Hillesheim, 2000 | AC |
ΔsubH° | 23.7 ± 0.1 | kcal/mol | C | Tan and Sabbah, 1994, 2 | See also Sabbah and Aguilar, 1995 and Tan and Sabbah, 1994, 3.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.53 ± 0.1 | 372. | ME | Monte and Hillesheim, 2000 | Based on data from 363. to 379. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.1119 | 544.74 | Sabbah and El Watik, 1992 | DH |
8.423 | 543.8 | Tan and Sabbah, 1994, 3 | 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.
Tan and Sabbah, 1994
Tan, Z.-C.; Sabbah, R.,
Thermodynamic study of the three isomers of iodobenzoic acid,
Thermochim. Acta, 1994, 231, 109-20. [all data]
Smith, 1956
Smith, L.,
Corrected heats of combustion of organic iodine compounds,
Acta Chem. Scand., 1956, 10, 884-886. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Monte and Hillesheim, 2000
Monte, Manuel J.S.; Hillesheim, Dorothea M.,
Thermodynamic study on the sublimation of the three iodobenzoic acids and of 2-fluoro- and 3-fluorobenzoic acids,
The Journal of Chemical Thermodynamics, 2000, 32, 12, 1727-1735, https://doi.org/10.1006/jcht.2000.0705
. [all data]
Tan and Sabbah, 1994, 2
Tan, Z.-C.; Sabbah, R.,
Thermodynamic study of the three isomers of iodobenzoic acid,
Chin. Sci. Bull., 1994, 39, 12, 1003. [all data]
Sabbah and Aguilar, 1995
Sabbah, Raphaël; Aguilar, Aaron Rojas,
Étude thermodynamique des trois isomères de l'acide chlorobenzoïque. Partie II,
Can. J. Chem., 1995, 73, 9, 1538-1545, https://doi.org/10.1139/v95-191
. [all data]
Tan and Sabbah, 1994, 3
Tan, Zhi-Cheng; Sabbah, Raphaël,
Thermodynamic study of the three isomers of iodobenzoic acid,
Thermochimica Acta, 1994, 231, 109-120, https://doi.org/10.1016/0040-6031(94)80012-X
. [all data]
Sabbah and El Watik, 1992
Sabbah, R.; El Watik, L.,
New reference materials for the calibration (temperature and energy) of differential thermal analysers and scanning calorimeters,
J. Therm. Anal., 1992, 38(4), 855-863. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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