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Polyoctadiene


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
liquid220.5J/mol*KN/ALebedev, Lityagov, et al., 1976Entropy at zero kelvin of amorphous polyoctadiene was assumed to be equal to the sum of the configurational entropy and the entropy of mixing the cis and the trans forms. S0 = 15.7 J/mol*K.

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
205.4298.15Lebedev, Lityagov, et al., 1976T = 15 to 328 K. Data deposited in VINITI No. 2097-76, 10 June 1976.

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

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
168.5crystaline, IglassLebedev, Lityagov, et al., 1976Heat capacity increment following conversion to glass is 41.3 J/mol*K.

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.270255.crystaline, IliquidLebedev, Lityagov, et al., 1976T = of anomaly, probably due to fusion of crystal of the cis-form, is 100-255 K.

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.06255.crystaline, IliquidLebedev, Lityagov, et al., 1976T

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.

Lebedev, Lityagov, et al., 1976
Lebedev, B.V.; Lityagov, V.Ya.; Korshak, K.Yu.V., Thermodynamic properties of polyoctadiene in the range 0-328 K, Zhur. Fiz. Khim., 1976, 50, 2439. [all data]


Notes

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