Benzene, 1-iodo-2-methyl-
- Formula: C7H7I
- Molecular weight: 218.0350
- IUPAC Standard InChIKey: RINOYHWVBUKAQE-UHFFFAOYSA-N
- CAS Registry Number: 615-37-2
- 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: Toluene, o-iodo-; o-Iodotoluene; o-Methyliodobenzene; o-Tolyl iodide; 2-Iodotoluene; 1-Iodo-2-methylbenzene; 1-Methyl-2-iodobenzene
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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 | 133. ± 5.9 | kJ/mol | Ccb | Smith, 1956 | 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 | 78.2 ± 4.2 | kJ/mol | Ccb | Smith, 1956 | Heat of formation derived by Cox and Pilcher, 1970 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3833.4 ± 4.2 | kJ/mol | Ccb | Smith, 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -3829.6 kJ/mol |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 484.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 54.4 ± 4.2 | kJ/mol | V | Smith, 1956 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
49.7 | 325. | A | Stephenson and Malanowski, 1987 | Based on data from 310. to 484. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
310.4 to 484. | 4.51733 | 2013.063 | -38.12 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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
C7H6I- + =
By formula: C7H6I- + H+ = C7H7I
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1557. ± 13. | kJ/mol | G+TS | Wenthold, Wierschke, et al., 1994 | gas phase; Between MeCN and FCH2CH2OH |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1527. ± 13. | kJ/mol | IMRB | Wenthold, Wierschke, et al., 1994 | gas phase; Between MeCN and FCH2CH2OH |
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)
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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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
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 | Japan AIST/NIMC Database- Spectrum MS-NW-5398 |
NIST MS number | 228797 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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]
Wenthold, Wierschke, et al., 1994
Wenthold, P.G.; Wierschke, S.G.; Nash, J.J.; Squires, R.R.,
Biradical thermochemistry from collision-induced dissociation threshold energy measurements .2. Experimental and theoretical studies of the Mechanism and Thermochemistry of Formation of alph,
J. Am. Chem. Soc., 1994, 116, 16, 7378, https://doi.org/10.1021/ja00095a048
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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