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Ethane, 1,2-diiodo-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
Deltafgas73.3 ± 1.1kJ/molCcbCarson, Laye, et al., 1994 
Deltafgas66.8 ± 1.7kJ/molEqkBenson and Amano, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = 66.5 ± 0.8 kJ/mol

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
Deltafsolid9.3 ± 0.8kJ/molCcbCarson, Laye, et al., 1994 
Quantity Value Units Method Reference Comment
Deltacsolid-1368.0 ± 0.6kJ/molCcbCarson, Laye, et al., 1994 

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
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
Tboil473.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Deltavap49.8kJ/molGCCarson, Laye, et al., 1994AC
Quantity Value Units Method Reference Comment
Deltasub64.0 ± 0.7kJ/molVCarson, Laye, et al., 1994ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
47.7386.AStephenson and Malanowski, 1987Based on data from 371. - 526. K. See also Dykyj, 1970.; AC

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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

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

Ethylene + Iodine = Ethane, 1,2-diiodo-

By formula: C2H4 + I2 = C2H4I2

Quantity Value Units Method Reference Comment
Deltar-48.1 ± 0.8kJ/molEqkAbrams and Davis, 1954gas phase
Deltar-56. ± 2.kJ/molEqkCutherbertson and Kistiakowsky, 1935gas phase; Heat of dissociation

Ethane, 1,2-diiodo- = Ethylene + Iodine

By formula: C2H4I2 = C2H4 + I2

Quantity Value Units Method Reference Comment
Deltar48.1 ± 0.8kJ/molEqkBenson and Amano, 1962gas phase

Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.4PEChau and McDowell, 1975LLK
9.50 ± 0.02PEChau and McDowell, 1975Vertical value; LLK

IR Spectrum

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Data compiled by: Coblentz Society, Inc.


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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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-2979
NIST MS number 231098

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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.

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]

Benson and Amano, 1962
Benson, S.W.; Amano, A., Thermodynamics of iodine addition to ethylene, propylene, and cyclopropane, J. Chem. Phys., 1962, 36, 3464-3471. [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]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Abrams and Davis, 1954
Abrams, A.; Davis, T.W., Use of radioactive iodine to determine equilibrium constants in ethylene-iodine-1,2-diiodoethane systems, J. Am. Chem. Soc., 1954, 76, 5993-59. [all data]

Cutherbertson and Kistiakowsky, 1935
Cutherbertson, G.R.; Kistiakowsky, G.B., The thermal equilibrium between ethylene iodide, ethylene and iodine, J. Chem. Phys., 1935, 3, 631-634. [all data]

Chau and McDowell, 1975
Chau, F.T.; McDowell, C.A., Photoelectron spectra of 1,2 dichloro-, 1,2 dibromo- and 1,2 diiodo-ethane, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 365. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References