(E)-1,2-Diiodoethylene
- Formula: C2H2I2
- Molecular weight: 279.8462
- CAS Registry Number: 590-27-2
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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
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
By formula: C2H2I2 = C2H2 + I2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 83.3 | kJ/mol | Eqk | Furuyama, Golden, et al., 1968 | gas 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 |
---|---|---|---|
8.92 | PE | Wittel, Bock, et al., 1974 | Vertical value; LLK |
8.92 | PE | Bock and Wittel, 1972 | Vertical value; LLK |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Furuyama, Golden, et al., 1968
Furuyama, S.; Golden, D.M.; Benson, S.W.,
The thermochemistry of the gas-phase equilibria trans-1,2-diiodoethylene = acetylene + I2 and trans-1,2-diiodoethylene = cis-1,2-diiodoethylene,
J. Phys. Chem., 1968, 72, 3204-3208. [all data]
Wittel, Bock, et al., 1974
Wittel, K.; Bock, H.; Manne, R.,
Photoelectron spectra of iodo ethylenes. A simple method to incorporate spin orbit coupling in molecular orbital models,
Tetrahedron, 1974, 30, 651. [all data]
Bock and Wittel, 1972
Bock, H.; Wittel, K.,
Photoelectron spectra and molecular properties of trans-dihalogenoethylenes: substituent effects spin-orbit coupling,
J. Chem. Soc., Chem. Commun., 1972, 602. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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