Benzoyl iodide
- Formula: C7H5IO
- Molecular weight: 232.0185
- IUPAC Standard InChI: InChI=1S/C7H5IO/c8-7(9)6-4-2-1-3-5-6/h1-5H
- IUPAC Standard InChIKey: WPCXDBCEDWUSOU-UHFFFAOYSA-N
- CAS Registry Number: 618-38-2
- Chemical structure:
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Gas 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°gas | 11. ± 4.2 | kJ/mol | Eqk | Solly and Benson, 1971 | |
| ΔfH°gas | 10. ± 6.3 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | Heat of formation derived by Cox and Pilcher, 1970 |
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°liquid | -51.51 ± 0.42 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -52.51 kJ/mol; Heat of hydrolysis |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 276. | K | N/A | Buckingham and Donaghy, 1982 | BS |
| Tfus | 276. | K | N/A | Kizhner, 1909 | Uncertainty assigned by TRC = 2. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 61.9 ± 6.3 | kJ/mol | E | Carson, Pritchard, et al., 1950 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 401. | 0.027 | Buckingham and Donaghy, 1982 | BS |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
+
=
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By formula: C7H9NO + C7H5IO = HI + C14H13NO2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -185. ± 2. | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
+
=
+
By formula: C7H9N + C7H5IO = HI + C14H13NO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -168. ± 2. | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
+
=
+
By formula: C7H5IO + C6H7N = HI + C13H11NO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -166. ± 2. | kJ/mol | Cac | Kiselev, Khuzyasheva, et al., 1979 | liquid phase; solvent: Benzene |
+
=
+
By formula: C7H5IO + H2O = HI + C7H6O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -102.4 | kJ/mol | Cm | Carson, Pritchard, et al., 1950 | liquid phase; Heat of hydrolysis |
+
=
+
By formula: HI + C7H5IO = C7H6O + I2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -13. ± 4.2 | kJ/mol | Eqk | Solly and Benson, 1971 | gas phase |
+
=
+
By formula: C7H6O + I2 = HI + C7H5IO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 13. ± 4.2 | kJ/mol | Eqk | Solly and Benson, 1971 | gas phase |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
- SOLUTION (10% CCl4 FOR 4000-1330, 10% CS2 FOR 1330-450 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (2% CCl4 FOR 4000-1325, 2% CS2 FOR 1325-450 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Solly and Benson, 1971
Solly, R.K.; Benson, S.W.,
Thermochemistry of the reaction of benzaldehyde with iodine. The enthalpy of formation of benzaldehyde and benzoyl iodide,
J. Chem. Thermodyn., 1971, 3, 203-209. [all data]
Carson, Pritchard, et al., 1950
Carson, A.S.; Pritchard, H.O.; Skinner, H.A.,
The heats of hydrolysis of the benzoyl halides,
J. Chem. Soc., 1950, 656-659. [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]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Kizhner, 1909
Kizhner, N. (see kishner n),
Benzoyl Iodide and its Relation to Ether,
Zh. Russ. Fiz.-Khim. O-va., Chast Khim., 1909, 41, 651. [all data]
Kiselev, Khuzyasheva, et al., 1979
Kiselev, V.D.; Khuzyasheva, d.G.; Konovalov, A.I.,
Thermochemical study of the acylation of para-substituted anilines,
J. Gen. Chem. USSR, 1979, 49, 2273-2276. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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