Thiophene, 2-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas84.35 ± 0.92kJ/molCcrPennington, Finke, et al., 1956 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, References, Notes

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid44.60 ± 0.92kJ/molCcrPennington, Finke, et al., 1956Reanalyzed by Cox and Pilcher, 1970, Original value = 45.44 ± 0.88 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-3472.0 ± 0.75kJ/molCcrPennington, Finke, et al., 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -3471.3 ± 0.75 kJ/mol; ALS
Quantity Value Units Method Reference Comment
liquid218.49J/mol*KN/APennington, Finke, et al., 1956DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
149.83298.15Pennington, Finke, et al., 1956T = 12 to 340 K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
97.91199.70Carlson and Westrum, 1968glass phase; T = 110 to 200 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Pennington, Finke, et al., 1956
Pennington, R.E.; Finke, H.L.; Hubbard, W.N.; Messerly, J.F.; Frow, F.R.; Hossenlopp, I.A.; Waddington, G., The chemical thermodynamic properties of 2-methylthiophene, J. Am. Chem. Soc., 1956, 78, 2055-2060. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Carlson and Westrum, 1968
Carlson, H.G.; Westrum, E.F., Jr., Thermal study of the glass-type transformation of 2-methylthiophene, J. Chem. Eng. Data, 1968, 13, 273-274. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References