4-n-Pentanoyl-4-n'-undecanoyloxyazobenzene
- Formula: C28H38N2O3
- Molecular weight: 450.6129
- IUPAC Standard InChI: InChI=1S/C28H38N2O3/c1-3-5-7-8-9-10-11-12-14-28(32)33-26-21-19-25(20-22-26)30-29-24-17-15-23(16-18-24)27(31)13-6-4-2/h15-22H,3-14H2,1-2H3/b30-29+
- IUPAC Standard InChIKey: VIDMLFVDTSEABM-QVIHXGFCSA-N
- CAS Registry Number: 120103-04-0
- 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 (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 5.4620 | 359.0 | Fanelli, Poeti, et al., 1988 | Smectic monotropic 1-solid. |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 15.214 | 359.0 | Fanelli, Poeti, et al., 1988 | Smectic |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.118 | 354.4 | crystaline, II | crystaline, I | Fanelli, Poeti, et al., 1988 | |
| 7.4940 | 368.7 | crystaline, I | liquid | Fanelli, Poeti, et al., 1988 | |
| 2.041 | 404.6 | liquid | liquid | Fanelli, Poeti, et al., 1988 | |
| 1.149 | 363.9 | liquid | liquid | Fanelli, Poeti, et al., 1988 |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 3.155 | 354.4 | crystaline, II | crystaline, I | Fanelli, Poeti, et al., 1988 | |
| 20.325 | 368.7 | crystaline, I, Solid | liquid, smectic A | Fanelli, Poeti, et al., 1988 | |
| 5.043 | 404.6 | liquid, Smectic A | liquid, isotropic | Fanelli, Poeti, et al., 1988 | |
| 3.157 | 363.9 | liquid, Smectic A | liquid, smectic monotropic 1 | Fanelli, Poeti, et al., 1988 |
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.
Fanelli, Poeti, et al., 1988
Fanelli, E.; Poeti, G.; Francescangeli, O.; Torguati, G.,
Mesomorphic behaviour of some 4-n-pentanoyl-4'-n-alkanoyloxy azobenzenes (PPAPE). A new series of liquid-crystal compounds,
Il Nuovo Cimento, 1988, 10(11), 1373-1384. [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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