4-Methoxy-4'-dodecoxy-trans-stilbene
- Formula: C27H38O2
- Molecular weight: 394.5894
- IUPAC Standard InChI: InChI=1S/C27H38O2/c1-3-4-5-6-7-8-9-10-11-12-23-29-27-21-17-25(18-22-27)14-13-24-15-19-26(28-2)20-16-24/h13-22H,3-12,23H2,1-2H3/b14-13+
- IUPAC Standard InChIKey: ZTKXXACFPFBWBM-BUHFOSPRSA-N
- CAS Registry Number: 35135-49-0
- 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 415. | K | N/A | Young, Haller, et al., 1972 | Uncertainty assigned by TRC = 1. K; TRC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 58.660 | 415. | Young, Haller, et al., 1972, 2 | Crystal-isotropic liquid transition.; DH |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 141.3 | 415. | Young, Haller, et al., 1972, 2 | Crystal-isotropic; DH |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 21.880 | 409. | liquid | liquid | Young, Haller, et al., 1972, 2 | DH |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 53.5 | 409. | liquid, Smectic | liquid, liquid transition | Young, Haller, et al., 1972, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Young, Haller, et al., 1972
Young, W.R.; Haller, I.; Aviram, A.,
Mesomorphism in the 4,4'-dialkoxy-trans-stilbene,
Mol. Cryst. Liq. Cryst., 1972, 15, 311. [all data]
Young, Haller, et al., 1972, 2
Young, W.R.; Haller, I.; Aviram, A.,
Mesomorphism in the 4,4'-dialkoxy-trans-stilbenes,
Mol. Cryst. Liq. Cryst., 1972, 15, 311-317. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point 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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