N-p-n-Hexyloxybenzylidene-p'-n-butylaniline
- Formula: C23H31NO
- Molecular weight: 337.4983
- IUPAC Standard InChI: InChI=1S/C23H31NO/c1-3-5-7-8-18-25-23-16-12-21(13-17-23)19-24-22-14-10-20(11-15-22)9-6-4-2/h10-17,19H,3-9,18H2,1-2H3/b24-19+
- IUPAC Standard InChIKey: YDTFLWMDAFOTRZ-LYBHJNIJSA-N
- CAS Registry Number: 29743-11-1
- Chemical structure:
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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 fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 23.290 | 306.60 | Yoshioka, Sorai, et al., 1983 | Solid-smectic G. |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 75.98 | 306.60 | Yoshioka, Sorai, et al., 1983 | Solid-smectic |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.804 | 331.56 | liquid | liquid | Yoshioka, Sorai, et al., 1983 | |
| 3.370 | 332.86 | liquid | liquid | Yoshioka, Sorai, et al., 1983 | |
| 3.200 | 343.24 | liquid | liquid | Yoshioka, Sorai, et al., 1983 | |
| 1.890 | 350.92 | liquid | liquid | Yoshioka, Sorai, et al., 1983 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 2.53 | 331.56 | liquid, Smectic G | liquid, smectic B | Yoshioka, Sorai, et al., 1983 | |
| 10.14 | 332.86 | liquid, Smectic B | liquid, smectic A | Yoshioka, Sorai, et al., 1983 | |
| 9.37 | 343.24 | liquid, Smectic A | liquid, nematic | Yoshioka, Sorai, et al., 1983 | |
| 5.37 | 350.92 | liquid, Nematic | liquid, isotropic | Yoshioka, Sorai, et al., 1983 |
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.
Yoshioka, Sorai, et al., 1983
Yoshioka, H.; Sorai, M.; Suga, H.,
Heat capacity of N-p-n-hexyloxybenzylidene-p'-n-butylaniline between 11 and 393 K: unusual glassy smectic liquid crystal,
Mol. Cryst. Liq. Cryst., 1983, 95, 11-30. [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 ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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