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N-(2-Hydroxy-4-methoxybenzylidene)-p-butylaniline

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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
solid,1 bar100.57cal/mol*KN/ASorai and Seki, 1973 

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
107.82300.Sorai and Seki, 1973T = 12 to 375 K.

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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tfus317.KN/ASorai and Seki, 1971DH
Quantity Value Units Method Reference Comment
Ttriple314.52KN/ASorai and Seki, 1973, 2Uncertainty assigned by TRC = 0.02 K; TRC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
5.8329314.52Sorai and Seki, 1973DH

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
17.03314.52Sorai and Seki, 1973DH

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
337.5liquidliquidSorai and Seki, 1971Nematic mesophase to isotropic.; DH

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.2121335.65liquidliquidSorai and Seki, 1973DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.631335.65liquid, Nematicliquid, isotropicSorai and Seki, 1973DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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.

Sorai and Seki, 1973
Sorai, M.; Seki, S., Heat capacity of N-(o-hydroxy-p-methoxybenzylidene)-p-butylaniline: a glassy nematic liquid crystal, Mol. Cryst. Liq. Cryst., 1973, 23, 299-327. [all data]

Sorai and Seki, 1971
Sorai, M.; Seki, S., Glassy liquid crystal of the nematic phase of N-(o-Hydroxy-p-methoxybenzylidene)-p-butylaniline, Bull. Chem. Soc. Japan, 1971, 44, 2887. [all data]

Sorai and Seki, 1973, 2
Sorai, M.; Seki, S., Heat capacity of N-(o-hydroxy-p-methoxybenzylidene)-p-butylaniline: A glassy nematic liquid crystal, Mol. Cryst. Liq. cryst., 1973, 23, 299. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References