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Spiropentane

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas185.1 ± 0.75kJ/molCmFraser and Prosen, 1955ALS
Quantity Value Units Method Reference Comment
Deltacgas-3296.0 ± 0.71kJ/molCmFraser and Prosen, 1955Corresponding «DELTA»fgas = 185.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacgas-3258. ± 1.3kJ/molCcbHumphrey and Spitzer, 1950Corresponding «DELTA»fgas = 147. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
277.69 ± 0.63283.16Scott D.W., 1950GT
282.21 ± 0.63298.16
286.35 ± 0.63312.14

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
88.12298.15Scott D.W., 1950Heat capacity values calculated using more recent assignment of vibrational frequencies [ Burns G.R., 1975] agree well with those of the [ Scott D.W., 1950].; GT
88.66300.
119.45400.
146.06500.
167.78600.
185.60700.
200.46800.
213.09900.
223.891000.
233.171100.
241.171200.
248.071300.
254.091400.
259.321500.

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.

Fraser and Prosen, 1955
Fraser, F.M.; Prosen, E.J., Heats of combustion and isomerization of six pentadienes and spiropentane, J. Res. NBS, 1955, 54, 143-148. [all data]

Humphrey and Spitzer, 1950
Humphrey, G.I.; Spitzer, R., Bond hybridization in the non-tetrahedral carbon atom. The heats of combustion of spiro-pentane and methylcyclobutane, J. Chem. Phys., 1950, 18, 902. [all data]

Scott D.W., 1950
Scott D.W., Spiropentane: heat capacity, heats of fusion and vaporization, vapor pressure, entropy and thermodynamic functions, J. Am. Chem. Soc., 1950, 72, 4664-4668. [all data]

Burns G.R., 1975
Burns G.R., The force field and normal coordinates of spiropentane, J. Mol. Struct., 1975, 27, 383-390. [all data]


Notes

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