3-Methyl-4-cyclohexene-1,1,2,2-tetracarbonitrile


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
Δfgas142.6 ± 1.1kcal/molCmRogers, 1971Heat of formation derived by 77PED/RYL

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
Δfsolid123.02 ± 0.95kcal/molCmRogers, 1971Heat of formation derived by 77PED/RYL

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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub19.6kcal/molN/ARogers, 1971DRB

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
19.60 ± 0.50350.VRogers, 1971Heat of formation derived by 77PED/RYL; ALS
20. ± 0.50350.MGRogers, 1971See also Pedley and Rylance, 1977.; AC

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

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

3-Methyl-4-cyclohexene-1,1,2,2-tetracarbonitrile = Tetracyanoethylene + Isoprene

By formula: C11H8N4 = C6N4 + C5H8

Quantity Value Units Method Reference Comment
Δr37.6 ± 0.8kcal/molCmRogers, 1971solid phase; Heat of formation derived by 77PED/RYL

Tetracyanoethylene + Isoprene = 3-Methyl-4-cyclohexene-1,1,2,2-tetracarbonitrile

By formula: C6N4 + C5H8 = C11H8N4

Quantity Value Units Method Reference Comment
Δr-37.6 ± 0.8kcal/molCmRogers, 1971liquid phase; solvent: Dichloromethane

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.

Rogers, 1971
Rogers, F.E., Thermochemistry of the Diels-Alder reaction. I. Enthalpy of addition of isoprene to tetracyanoethylene, J. Phys. Chem., 1971, 75, 1734-1737. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]


Notes

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