Benzonitrile, 4-[[[4-(hexyloxy)phenyl]methylene]amino]-
- Formula: C20H22N2O
- Molecular weight: 306.4015
- IUPAC Standard InChI: InChI=1S/C20H22N2O/c1-2-3-4-5-14-23-20-12-8-18(9-13-20)16-22-19-10-6-17(15-21)7-11-19/h6-13,16H,2-5,14H2,1H3
- IUPAC Standard InChIKey: YABQOLANVLHEPV-UHFFFAOYSA-N
- CAS Registry Number: 35280-78-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 4-(([4-(Hexyloxy)phenyl]methylidene)amino)benzonitrile; p-n-Hexyloxybenzylideneamino-p'-benzonitrile; 4-[[4-(hexyloxy)benzylidene]amino]benzonitrile
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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 |
|---|---|---|---|---|---|
| 5.110 | 306.98 | crystaline, II | crystaline, I | Tsuji, Sorai, et al., 1979 | |
| 23.770 | 334.05 | crystaline, I | liquid | Tsuji, Sorai, et al., 1979 | Solid nematic. |
| 1.750 | 375.10 | liquid | liquid | Tsuji, Sorai, et al., 1979 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 16.7 | 306.98 | crystaline, II | crystaline, I | Tsuji, Sorai, et al., 1979 | |
| 71.2 | 334.05 | crystaline, I | liquid | Tsuji, Sorai, et al., 1979 | Solid |
| 3.2 | 375.10 | liquid, Nematic | liquid, isotropic liquid transition (Note: 1750/375 | Tsuji, Sorai, et al., 1979 |
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.
Tsuji, Sorai, et al., 1979
Tsuji, K.; Sorai, M.; Suga, H.; Seki, S.,
Heat capacity and thermodynamic properties of p'-substituted p-n-hexyloxybenzylideneaniline. 1. p-n-hexyloxybenzylideneamino-p'-benzonitrile (HBAB),
Mol. Cryst. Liq. Cryst., 1979, 55, 71-87. [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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