6,6-Paracyclophane
- Formula: C24H32
- Molecular weight: 320.5109
- IUPAC Standard InChI: InChI=1S/C24H32/c1-2-6-10-22-17-19-24(20-18-22)12-8-4-3-7-11-23-15-13-21(9-5-1)14-16-23/h13-20H,1-12H2
- IUPAC Standard InChIKey: KZCIQXIXTWAXSA-UHFFFAOYSA-N
- CAS Registry Number: 4384-23-0
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Phase change 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -77. ± 12. | kJ/mol | Ccb | Shieh, McNally, et al., 1969 |
Phase change data
Go To: Top, Gas phase thermochemistry 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 115. ± 2. | kJ/mol | V | Shieh, McNally, et al., 1969 | ALS |
| ΔsubH° | 115.0 | kJ/mol | N/A | Shieh, McNally, et al., 1969 | DRB |
| ΔsubH° | 115.1 ± 2.1 | kJ/mol | N/A | Shieh, McNally, et al., 1969 | Based on data from 352. to 371. K. See also Pedley and Rylance, 1977.; AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 108.8 ± 0.8 | 352. to 371. | Shieh, McNally, et al., 1969 | See also Pedley and Rylance, 1977.; AC |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Shieh, McNally, et al., 1969
Shieh, C.; McNally, D.; Boyd, R.H.,
The heats of combustion and strain energies of some cyclophanes,
Tetrahedron, 1969, 3653-3665. [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
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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