Polytetrahydrofuran


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 bar83.06J/mol*KN/ALebedev and Lityagov, 1977 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
81.30200.Lebedev and Lityagov, 1977T = 5 to 400 K. Transition region at 298.15 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
11.000316.Lebedev and Lityagov, 1977, 2 
11.000316.Lebedev and Lityagov, 1977 

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
34.8316.Lebedev and Lityagov, 1977, 2 
34.8316.Lebedev and Lityagov, 1977 

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
186.crystaline, IIcrystaline, ILebedev and Lityagov, 1977, 2Glass point.

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 and Lityagov, 1977
Lebedev, B.V.; Lityagov, V.Ya., Calorimetric study of tetrahydrofuran and its polymerization in the temperature range 0-400°K, Vysokomol. Soedin., 1977, A19, 2283-2290. [all data]

Lebedev and Lityagov, 1977, 2
Lebedev, B.V.; Lityagov, V.Ya., The difference between the entropies and enthalpies of vitreous and crystalline polytetrahydrofuran at 0 K, Zhur. Fiz. Khim., 1977, 51, 1276. [all data]


Notes

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