Butane, 2-iodo-
- Formula: C4H9I
- Molecular weight: 184.0187
- IUPAC Standard InChI: InChI=1S/C4H9I/c1-3-4(2)5/h4H,3H2,1-2H3
- IUPAC Standard InChIKey: IQRUSQUYPCHEKN-UHFFFAOYSA-N
- CAS Registry Number: 513-48-4
- 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: sec-Butyl Iodide; sec-Iodobutane; 2-Butyl Iodide; 2-Iodobutane; sec-C4H9I; 2-Jodbutan; UN 2390
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference |
|---|---|---|
| 39.51 | 298.15 | Shehatta, 1993 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 392. ± 2. | K | AVG | N/A | Average of 6 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 168.95 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.4 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 9.199 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
| ΔvapH° | 9.06 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 353. K.; AC |
| ΔvapH° | 9.27 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 353. K.; AC |
| ΔvapH° | 9.20 ± 0.02 | kcal/mol | C | Wadsö, Luoma, et al., 1968 | AC |
| ΔvapH° | 9.19 ± 0.01 | kcal/mol | C | Wadso, 1968 | ALS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 7.952 | 393.2 | Majer and Svoboda, 1985 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shehatta, 1993
Shehatta, I.,
Heat capacity at constant pressure of some halogen compounds,
Thermochim. Acta, 1993, 213, 1-10. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Wadsö, Luoma, et al., 1968
Wadsö, Ingemar; Luoma, Sinikka; Olson, Thomas; Norin, Torbjörn,
Heats of Vaporization of Organic Compounds. II. Chlorides, Bromides, and Iodides.,
Acta Chem. Scand., 1968, 22, 2438-2444, https://doi.org/10.3891/acta.chem.scand.22-2438
. [all data]
Wadso, 1968
Wadso, I.,
Heats of vaporization of organic compounds II. Chlorides, bromides, and iodides,
Acta Chem. Scand., 1968, 22, 2438. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point 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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