N-p-n-Hexyloxybenzylidene-p'-n-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 bar537.57J/mol*KN/AYoshioka, Sorai, et al., 1983 
solid,1 bar615.04J/mol*KN/AYoshioka, Sorai, et al., 1983glass phase; Residual entropy of the glassy state at 0 K was estimated to be 7.51 ± 0.63 J/mol*K.

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
512.02298.15Yoshioka, Sorai, et al., 1983T = 11 to 393 K.
595.14300.Yoshioka, Sorai, et al., 1983glass phase; T = 10 to 310 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
23.290306.60Yoshioka, Sorai, et al., 1983Solid-smectic G.

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
75.98306.60Yoshioka, Sorai, et al., 1983Solid-smectic

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.804331.56liquidliquidYoshioka, Sorai, et al., 1983 
3.370332.86liquidliquidYoshioka, Sorai, et al., 1983 
3.200343.24liquidliquidYoshioka, Sorai, et al., 1983 
1.890350.92liquidliquidYoshioka, Sorai, et al., 1983 

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.53331.56liquid, Smectic Gliquid, smectic BYoshioka, Sorai, et al., 1983 
10.14332.86liquid, Smectic Bliquid, smectic AYoshioka, Sorai, et al., 1983 
9.37343.24liquid, Smectic Aliquid, nematicYoshioka, Sorai, et al., 1983 
5.37350.92liquid, Nematicliquid, isotropicYoshioka, Sorai, et al., 1983 

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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Additional Data

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Owner SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin EPA-IR VAPOR PHASE LIBRARY
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.

Yoshioka, Sorai, et al., 1983
Yoshioka, H.; Sorai, M.; Suga, H., Heat capacity of N-p-n-hexyloxybenzylidene-p'-n-butylaniline between 11 and 393 K: unusual glassy smectic liquid crystal, Mol. Cryst. Liq. Cryst., 1983, 95, 11-30. [all data]


Notes

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