p-n-Hexyloxybenzylideneamino-p'-chlorobenzene
- Formula: C19H22ClNO
- Molecular weight: 315.837
- IUPAC Standard InChI: InChI=1S/C19H22ClNO/c1-2-3-4-5-14-22-19-12-6-16(7-13-19)15-21-18-10-8-17(20)9-11-18/h6-13,15H,2-5,14H2,1H3/b21-15+
- IUPAC Standard InChIKey: ZUJZHURHZZZPOC-RCCKNPSSSA-N
- CAS Registry Number: 5219-48-7
- Chemical structure:
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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: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 106.97 | cal/mol*K | N/A | Tsuji, Sorai, et al., 1982 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 103.95 | 298.15 | Tsuji, Sorai, et al., 1982 | T = 15 to 385 K. |
| 103. | 300. | Tsuji, Sorai, et al., 1977 | T = 300 to 385 K. Data graphically only. |
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 (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 2.6004 | 327.7 | Tsuji, Sorai, et al., 1982 | Crystal to intermediate phase S3. |
| 2.6004 | 327.70 | Tsuji, Sorai, et al., 1977 | Crystal-smectic transition. |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 7.93 | 327.7 | Tsuji, Sorai, et al., 1982 | Crystal |
| 7.93 | 327.70 | Tsuji, Sorai, et al., 1977 | Crystal-smectic |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 2.9517 | 333.90 | liquid | liquid | Tsuji, Sorai, et al., 1982 | |
| 0.8102 | 362.98 | liquid | liquid | Tsuji, Sorai, et al., 1982 | |
| 1.384 | 370.38 | liquid | liquid | Tsuji, Sorai, et al., 1982 | |
| 2.9517 | 333.90 | liquid | liquid | Tsuji, Sorai, et al., 1977 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 8.84 | 333.90 | liquid, S3 | liquid, smectic B | Tsuji, Sorai, et al., 1982 | |
| 2.2 | 362.98 | liquid, Smectic B | liquid, smectic A | Tsuji, Sorai, et al., 1982 | |
| 3.73 | 370.38 | liquid, Smectic A | liquid, isotropic | Tsuji, Sorai, et al., 1982 | |
| 8.84 | 333.90 | liquid, Smectic | liquid, smectic transition | Tsuji, Sorai, et al., 1977 |
References
Go To: Top, Condensed 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.
Tsuji, Sorai, et al., 1982
Tsuji, K.; Sorai, M.; Suga, H.; Seki, S.,
Heat capacity and thermodynamic properties of p'-substituted p-hexyloxybenzylideneanilines. II. p-Hexyloxybenzylideneamino-p'-chlorobenzene (HBAC),
Mol. Cryst. Liq. Cryst., 1982, 87, 293-304. [all data]
Tsuji, Sorai, et al., 1977
Tsuji, K.; Sorai, M.; Suga, H.; Seki, S.,
A new phase in p-n-hexyloxybenzylideneamino-p'-chlorobenzene,
Mol. Cryst. Liq. Cryst., 1977, 41, 81-87. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) 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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