Pyridine, 2-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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-6.33kcal/molN/AKosorotov, Zemlyakova, et al., 1978Value computed using ΔfHliquid° value of -69.0 kj/mol from Kosorotov, Zemlyakova, et al., 1978 and ΔvapH° value of 42.5 kj/mol from Scott, Hubbard, et al., 1963.; DRB
Δfgas23.65 ± 0.21kcal/molCcbScott, Hubbard, et al., 1963ALS
Δfgas24.36 ± 0.31kcal/molCmAndon, Cox, et al., 1957ALS
Δfgas24.38 ± 0.31kcal/molCcbCox, Challoner, et al., 1954ALS
Δfgas21.0kcal/molN/AConstam and White, 1903Value computed using ΔfHliquid° value of 45.3 kj/mol from Constam and White, 1903 and ΔvapH° value of 42.5 kj/mol from Scott, Hubbard, et al., 1963.; 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
Δfliquid-16.49kcal/molCcbKosorotov, Zemlyakova, et al., 1978impure compound; ALS
Δfliquid13.50 ± 0.18kcal/molCcbScott, Hubbard, et al., 1963ALS
Δfliquid14.10 ± 0.31kcal/molCcbCox, Challoner, et al., 1954ALS
Δfliquid10.82kcal/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
Δcliquid-786.91kcal/molCcbKosorotov, Zemlyakova, et al., 1978impure compound; ALS
Δcliquid-816.92 ± 0.16kcal/molCcbScott, Hubbard, et al., 1963ALS
Δcliquid-817.52 ± 0.31kcal/molCcbCox, Challoner, et al., 1954ALS
Δcliquid-816.1kcal/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
liquid52.070cal/mol*KN/AScott, Hubbard, et al., 1963DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
37.861298.15Scott, Hubbard, et al., 1963T = 12 to 370 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.

Kosorotov, Zemlyakova, et al., 1978
Kosorotov, V.I.; Zemlyakova, Z.F.; Platonov, V.A.; Ovchinnikov, V.G.; Simulin, Yu.N.; Dzhagatspanyan, R.V., Determination of thermal effects of the synthesis of chloropicolines and chloroaminopicolines, J. Appl. Chem. USSR (Engl. Transl.), 1978, 51, 2262-2263, In original 2376. [all data]

Scott, Hubbard, et al., 1963
Scott, D.W.; Hubbard, W.N.; Messerly, J.F.; Todd, S.S.; Hossenlopp, I.A.; Good, W.D.; Douslin, D.R.; McCullough, J.P., Chemical thermodynamic properties and internal rotation of methylpyridines. I. 2-methylpyridine, J. Phys. Chem., 1963, 67, 680-685. [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]


Notes

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