2,3,6,7,10,11-Hexa-n-octanoyloxy triphenylene
- Formula: C66H96O12
- Molecular weight: 1081.4612
- CAS Registry Number: 70351-94-9
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 24.210 | 362.6 | crystaline, I | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 3.626 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/Isotropic liquid. |
| 25.440 | 359.7 | crystaline, II | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 3.626 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/isotropic liquid. |
| 15.320 | 290. | crystaline, III | crystaline, I | Van Hecke, Kaji, et al., 1986 | Expected phase transition, but not observed. |
| 34.770 | 348. | crystaline, III | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 3.626 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/isotropic liquid. |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 66.76 | 362.6 | crystaline, I | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 9.02 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/Isotropic |
| 71.12 | 359.7 | crystaline, II | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 9.02 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/isotropic |
| 52.8 | 290. | crystaline, III | crystaline, I | Van Hecke, Kaji, et al., 1986 | Expected |
| 99.91 | 348. | crystaline, III | liquid | Van Hecke, Kaji, et al., 1986 | Crystal/discotic. |
| 9.02 | 402.16 | liquid | liquid | Van Hecke, Kaji, et al., 1986 | Discotic/isotropic |
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.
Van Hecke, Kaji, et al., 1986
Van Hecke, G.R.; Kaji, K.; Sorai, M.,
Heat capacity of the discotic mesogen, 2,3,6,7,10,11-Hexa-n-octanoyloxytriphenylene: a complex solid state polymorphism,
Mol. Cryst. Liq. Cryst., 1986, 136(2-4), 197-220. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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