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Pyridine, 4-methyl-

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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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltafgas24.80 ± 0.22kcal/molCcbGood, 1972ALS
Deltafgas24.41 ± 0.15kcal/molCmAndon, Cox, et al., 1957ALS
Deltafgas24.43 ± 0.15kcal/molCcbCox, Challoner, et al., 1954ALS
Deltafgas22.2kcal/molN/AConstam and White, 1903Value computed using «DELTA»fHliquid° value of 48.1 kj/mol from Constam and White, 1903 and «DELTA»vapH° value of 44.6 kj/mol from Good, 1972.; DRB

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
Deltafliquid14.15 ± 0.21kcal/molCcbGood, 1972ALS
Deltafliquid13.57 ± 0.15kcal/molCcbCox, Challoner, et al., 1954ALS
Deltafliquid11.49kcal/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
Deltacliquid-817.56 ± 0.20kcal/molCcbGood, 1972ALS
Deltacliquid-816.99 ± 0.15kcal/molCcbCox, Challoner, et al., 1954ALS
Deltacliquid-816.7kcal/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
liquid49.9739cal/mol*KN/AMesserly, Todd, et al., 1988DH
liquid49.766cal/mol*KN/AMesserly, Todd, et al., 1987DH
liquid49.766cal/mol*KN/ASteele, Chirico, et al., 1986DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
37.9990298.150Messerly, Todd, et al., 1988T = 10 to 400 K.; DH
38.000298.15Messerly, Todd, et al., 1987T = 10 to 410 K.; DH
38.000298.15Steele, Chirico, et al., 1986T = 10 to 410 K.; 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.

Good, 1972
Good, W.D., Enthalpies of combustion of nine organic nitrogen compounds related to petroleum, J. Chem. Eng. Data, 1972, 17, 28-31. [all data]

Andon, Cox, et al., 1957
Andon, R.J.L.; Cox, J.D.; Herington, E.F.G.; Martin, J.F., The second virial coefficients of pyridine and benzene, and certain of their methyl homologues, Trans. Faraday Soc., 1957, 53, 1074. [all data]

Cox, Challoner, et al., 1954
Cox, J.D.; Challoner, A.R.; Meetham, A.R., The heats of combustion of pyridine and certain of its derivatives, J. Chem. Soc., 1954, 265-271. [all data]

Constam and White, 1903
Constam, E.J.; White, J., Physico-chemical investigations in the pyridine series, Am. Chem. J., 1903, 29, 1-49. [all data]

Messerly, Todd, et al., 1988
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat-capacity studies and derived thermodynamic properties for six cyclic nitrogen compounds, J. Chem. Thermodynam., 1988, 20, 209-224. [all data]

Messerly, Todd, et al., 1987
Messerly, J.F.; Todd, S.S.; Finke, H.L.; Gammon, B.E., Thermodynamic properties of organic nitrogen compounds that occur in shale oil and heavy petroleum-topical report, NIPER Report, 1987, 83, 37p. [all data]

Steele, Chirico, et al., 1986
Steele, W.V.; Chirico, R.D.; Collier, W.B.; Hossenlopp, I.A.; Nguyen, A.; Strube, M.M., Thermochemical and thermophysical properties of organic nitrogen compounds found in fossil materials, NIPER Report, 1986, 188, 112p. [all data]


Notes

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