Methane, diiodo-
- Formula: CH2I2
- Molecular weight: 267.8355
- IUPAC Standard InChIKey: NZZFYRREKKOMAT-UHFFFAOYSA-N
- CAS Registry Number: 75-11-6
- 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: Diiodomethane; Methylene diiodide; Methylene iodide; CH2I2; Dijodmethan; Methylenjodid; MI-Gee; Methyl diiodide; Mi-gee brand; NSC 35804
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 16.4 ± 0.2 | kcal/mol | Ccr | Carson, Laye, et al., 1993 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -178.7 ± 0.1 | kcal/mol | Ccr | Carson, Laye, et al., 1993 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
31.981 | 298.15 | Carson, Laye, et al., 1993 | DH |
26.96 | 298.15 | Shehatta, 1993 | DH |
32.00 | 298. | Kurbatov, 1948 | T = 12 to 164°C. Mean Cp, three temperatures.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Carson, Laye, et al., 1993
Carson, A.S.; Laye, P.G.; Pedley, J.B.; Welsby, A.M.,
The enthalpies of formation iodomethane, diiodomethane, triiodomethane, and tetraiodomethane by rotating combustion calorimetry,
J. Chem. Thermodyn., 1993, 25, 261-269. [all data]
Shehatta, 1993
Shehatta, I.,
Heat capacity at constant pressure of some halogen compounds,
Thermochim. Acta, 1993, 213, 1-10. [all data]
Kurbatov, 1948
Kurbatov, V.Ya.,
Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons,
Zh. Obshch. Kim., 1948, 18, 372-389. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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