Hexamethyltetracyclo[2.2.0(2,6).0(3,5)]hexane
- Formula: C12H18
- Molecular weight: 162.2713
- IUPAC Standard InChI: InChI=1S/C12H18/c1-7-8(2)9(7,3)12(6)10(7,4)11(8,12)5/h1-6H3
- IUPAC Standard InChIKey: VOPARGKYDVBSNG-UHFFFAOYSA-N
- CAS Registry Number: 14551-30-5
- Chemical structure:
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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
=
By formula: C12H18 = C12H18
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -345. ± 3. | kJ/mol | Cm | Adam and Chang, 1969 | liquid phase; solvent: Pure phase; Heat of isomerization |
| ΔrH° | -382. | kJ/mol | Eqk | Oth, 1968 | liquid phase; Heat of isomerization, see Oth, 1969 |
| ΔrH° | -383. | kJ/mol | Cm | Oth, 1968 | liquid phase; solvent: Toluene-d8; Heat of isomerization at 150°C |
=
By formula: C12H18 = C12H18
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -233. ± 3. | kJ/mol | Cm | Adam and Chang, 1969 | liquid phase; solvent: Pure phase; Heat of isomerization |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Adam and Chang, 1969
Adam, W.; Chang, J.C.,
Kinetics and thermochemistry of valence isomerization by differential scanning calorimetry: the case of hexamethylprismane and hexamethyldewarbenzene,
Int. J. Chem. Kinet., 1969, 1, 487-492. [all data]
Oth, 1968
Oth, J.F.M.,
The kinetics and thermochemistry of the thermal rearrangement of hexamethylbicyclo[2.2.0]hexa-2,5-diene (hexamethyldewarbenzene) and of hexamethyltetracyclo[2.2.0,0(2,6).0(3,5)]hexane (hexamethylprismane),
Chem. Ber., 1968, 47, 1185-1195. [all data]
Oth, 1969
Oth, J.F.M.,
The kinetics and thermochemistry of the thermal rearrangement of hexamethyl(Dewar benzene) and of hexamethylprismane,
Angew. Chem. Int. Ed. Engl., 1969, 7, 646. [all data]
Notes
Go To: Top, Reaction thermochemistry 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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