1,2-Diiodobutane
- Formula: C4H8I2
- Molecular weight: 309.9153
- IUPAC Standard InChI: InChI=1S/C4H8I2/c1-2-4(6)3-5/h4H,2-3H2,1H3
- IUPAC Standard InChIKey: MIAAQPQIWLWRSI-UHFFFAOYSA-N
- CAS Registry Number: 53161-72-1
- Chemical structure:
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Gas 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 |
|---|---|---|---|---|---|
| ΔfH°gas | 12.3 ± 6.4 | kJ/mol | Cm | Cline and Kistiakowsky, 1937 | Heat of formation derived by Cox and Pilcher, 1970 |
Reaction 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
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Individual Reactions
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+
By formula: C4H8I2 = C4H8 + I2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 50.2 ± 6.3 | kJ/mol | Cm | Cline and Kistiakowsky, 1937 | gas phase; Heat of formation derived by Cox and Pilcher, 1970 |
+
=
By formula: C4H8 + I2 = C4H8I2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -50.2 ± 6.3 | kJ/mol | Cm | Cline and Kistiakowsky, 1937 | gas phase |
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.
Cline and Kistiakowsky, 1937
Cline, J.E.; Kistiakowsky, G.B.,
The gaseous equilibrium of 1,2-diiodobutane, butene-1 and iodine,
J. Chem. Phys., 1937, 5, 990. [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]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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