1,3,5,7-Octatetrayne


Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
46.3750.Dorofeeva O.V., 1991There is an appreciable difference with other statistically calculated values [ Dessau L., 1988] because the authors used the overestimated values of vibrational frequencies, see [ Dorofeeva O.V., 1991].
65.06100.
86.18150.
106.03200.
128.41273.15
134.4 ± 7.0298.15
134.77300.
152.52400.
164.72500.
174.11600.
181.85700.
188.42800.
194.05900.
198.911000.
203.111100.
206.741200.
209.881300.
212.611400.
214.991500.
217.061600.
218.871700.
220.471800.
221.871900.
223.112000.

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.

Dorofeeva O.V., 1991
Dorofeeva O.V., Thermodynamic properties of linear carbon chain molecules with conjugated triple bonds. Part I. Polyacetylenes, H(CC)nH (n=2-6), cyanopolyacetylenes, H(CC)nCN (n=1-5), and dicyanopolyacetylenes, NC(CC)nCN (n=1-4), Thermochim. Acta, 1991, 178, 273-286. [all data]

Dessau L., 1988
Dessau L., Vibrations and thermodynamic functions of long-chain acetylenes, Z. Phys. Chem. (Leipzig), 1988, 269, 187-190. [all data]


Notes

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