Ethane, iodo-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-1.7 ± 0.2kcal/molCcbCarson, Laye, et al., 1994 
Δfgas-2.0kcal/molCmKudchadker and Kudchadker, 1979 
Δfgas-2.1 ± 0.2kcal/molChydAshcroft, Carson, et al., 1965 
Δfgas-1.3kcal/molCcbSpringall and White, 1949 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change 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:
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
Δfliquid-9.3 ± 0.2kcal/molCcbCarson, Laye, et al., 1994ALS
Δfliquid-9.43 ± 0.41kcal/molChydAshcroft, Carson, et al., 1965Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -9.6 ± 0.2 kcal/mol; ALS
Δfliquid-8.4kcal/molCcbSpringall and White, 1949ALS
Quantity Value Units Method Reference Comment
Δcliquid-349.55 ± 0.1kcal/molCcbCarson, Laye, et al., 1994ALS
Δcliquid-350.5 ± 0.5kcal/molCcbSpringall and White, 1949ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
26.22298.15Shehatta, 1993DH
27.51298.Kurbatov, 1948T = -37 to 70°C; mean Cp, three temperatures.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, 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
Tboil345.5 ± 0.9KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus162.05KN/ATimmermans and Martin, 1928Uncertainty assigned by TRC = 0.4 K; TRC
Tfus162.3KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Δvap7.660kcal/molN/AMajer and Svoboda, 1985 
Δvap7.58kcal/molCGCChickos, Hosseini, et al., 1995Based on data from 313. to 353. K.; AC
Δvap7.62 ± 0.02kcal/molCWadsö, Luoma, et al., 1968AC
Δvap7.631 ± 0.005kcal/molCWadso, 1968ALS
Δvap7.12 ± 0.06kcal/molVMathews, 1926ALS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.036345.6N/AMajer and Svoboda, 1985 
8.03264.EStephenson and Malanowski, 1987Based on data from 249. to 369. K. See also Li and Rossini, 1961.; AC
8.29234.N/AStull, 1947Based on data from 219. to 345. K.; AC
7.6278.N/AMilazzo, 1944Based on data from 254. to 293. K.; AC
7.58318.N/ASmyth and Engel, 1929Based on data from 303. to 333. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
218.8 to 345.64.079401247.135-39.612Stull, 1947Coefficents calculated by NIST from author's data.
303. to 333.4.007551192.892-48.095Smyth and Engel, 1929Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Gas phase thermochemistry data, 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.

Carson, Laye, et al., 1994
Carson, A.S.; Laye, P.G.; Pedley, J.B.; Welsby, A.M.; Chickos, J.S.; Hosseini, S., The enthalpies of formation of iodoethane, 1,2-diiodoethane, 1,3-diiodopropane, and 1,4-diiodobutane, J. Chem. Thermodyn., 1994, 26, 1103-1109. [all data]

Kudchadker and Kudchadker, 1979
Kudchadker, S.A.; Kudchadker, A.P., Ideal gas thermodynamic properties of selected bromoethanes and iodoethane, J. Phys. Chem. Ref. Data, 1979, 8, 519-526. [all data]

Ashcroft, Carson, et al., 1965
Ashcroft, S.J.; Carson, A.S.; Carter, W.; Laye, P.G., Thermochemistry of reductions caused by lithium aluminium hydride. Part 3.- The C-halogen bond dissociation energies in ethyl iodine and ethyl bromide, Trans. Faraday Soc., 1965, 61, 225-229. [all data]

Springall and White, 1949
Springall, H.D.; White, T.R., The heat of combustion of ethyl iodide, Res. Corresp., 1949, 2, 296. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [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]

Timmermans and Martin, 1928
Timmermans, J.; Martin, F., Study of the Physical Constants of Twenty Organic Compounds of the Physical Constants of Twenty Organic Compounds, J. Chim. Phys. Phys.-Chim. Biol., 1928, 25, 411. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [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]

Mathews, 1926
Mathews, J.H., The accurate measurement of heats of vaporization of liquids, J. Am. Chem. Soc., 1926, 48, 562-576. [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]

Li and Rossini, 1961
Li, J.C.M.; Rossini, F.D., Vapor Pressures and Boiling Points of the l-Fluoroalkanes, l-Chloroalkanes, l-Bromoalkanes, and l-Iodoalkanes, C 1 to C 20 ., J. Chem. Eng. Data, 1961, 6, 2, 268-270, https://doi.org/10.1021/je60010a025 . [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]

Milazzo, 1944
Milazzo, G., Gazz. Chim. Ital., 1944, 74, 49. [all data]

Smyth and Engel, 1929
Smyth, C.P.; Engel, E.W., MOLECULAR ORIENTATION AND THE PARTIAL VAPOR PRESSURES OF BINARY MIXTURES. I. SYSTEMS COMPOSED OF NORMAL LIQUIDS, J. Am. Chem. Soc., 1929, 51, 9, 2646-2660, https://doi.org/10.1021/ja01384a006 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References