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Pyridine, 3-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
Deltafgas103.6 ± 1.3kJ/molCcbGerasimov, Gubareva, et al., 1992%hf298_condensed[kJ/mol]=-61.1±1.3; ALS
Deltafgas106.1 ± 0.71kJ/molCcbScott, Good, et al., 1963ALS
Deltafgas113.6 ± 1.0kJ/molCmAndon, Cox, et al., 1957ALS
Deltafgas113.6 ± 1.0kJ/molCcbCox, Challoner, et al., 1954ALS
Deltafgas75.5kJ/molN/AConstam and White, 1903Value computed using «DELTA»fHliquid° value of 33.0 kj/mol from Constam and White, 1903 and «DELTA»vapH° value of 42.5 kj/mol from Gerasimov, Gubareva, et al., 1992.; DRB

Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid61.1 ± 1.3kJ/molCcbGerasimov, Gubareva, et al., 1992%hf298_condensed[kJ/mol]=-61.1±1.3; ALS
Deltafliquid61.71 ± 0.59kJ/molCcbScott, Good, et al., 1963ALS
Deltafliquid68.3 ± 1.0kJ/molCcbCox, Challoner, et al., 1954ALS
Deltafliquid33.kJ/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
Deltacliquid-3300.4 ± 1.3kJ/molCcbGerasimov, Gubareva, et al., 1992%hf298_condensed[kJ/mol]=-61.1±1.3; ALS
Deltacliquid-3423.2 ± 0.50kJ/molCcbScott, Good, et al., 1963ALS
Deltacliquid-3429.8 ± 1.0kJ/molCcbCox, Challoner, et al., 1954ALS
Deltacliquid-3402.kJ/molCcbConstam and White, 1903ALS
Quantity Value Units Method Reference Comment
liquid216.31J/mol*KN/AScott, Good, et al., 1963DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
158.69298.15Scott, Good, et al., 1963T = 12 to 400 K.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
B - John E. Bartmess
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C6H6N- + Hydrogen cation = Pyridine, 3-methyl-

By formula: C6H6N- + H+ = C6H7N

Quantity Value Units Method Reference Comment
Deltar1581. ± 13.kJ/molG+TSDePuy, Kass, et al., 1988gas phase; Acid: 3-methylpyridine. Comparable to EtOH.; B
Quantity Value Units Method Reference Comment
Deltar1552. ± 13.kJ/molIMRBDePuy, Kass, et al., 1988gas phase; Acid: 3-methylpyridine. Comparable to EtOH.; B

Lithium ion (1+) + Pyridine, 3-methyl- = (Lithium ion (1+) bullet Pyridine, 3-methyl-)

By formula: Li+ + C6H7N = (Li+ bullet C6H7N)

Quantity Value Units Method Reference Comment
Deltar197. ± 15.kJ/molCIDTRodgers, 2001RCD

Sodium ion (1+) + Pyridine, 3-methyl- = (Sodium ion (1+) bullet Pyridine, 3-methyl-)

By formula: Na+ + C6H7N = (Na+ bullet C6H7N)

Quantity Value Units Method Reference Comment
Deltar133. ± 4.2kJ/molCIDTRodgers, 2001RCD

Potassium ion (1+) + Pyridine, 3-methyl- = (Potassium ion (1+) bullet Pyridine, 3-methyl-)

By formula: K+ + C6H7N = (K+ bullet C6H7N)

Quantity Value Units Method Reference Comment
Deltar100. ± 3.kJ/molCIDTRodgers, 2001RCD

References

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

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

Gerasimov, Gubareva, et al., 1992
Gerasimov, P.A.; Gubareva, A.I.; Tarbeeva, N.A.; Kunderenko, V.M., Physicochemical characteristics of «beta»-picoline, J. Appl. Chem. USSR, 1992, 65, 388-390. [all data]

Scott, Good, et al., 1963
Scott, D.W.; Good, W.D.; Guthrie, G.B.; Todd, S.S.; Hossenlopp, I.A.; Osborn, A.G.; McCullough, J.P., Chemical thermodynamic properties and internal rotation of methylpyridines. II. 3-methylpyridine, J. Phys. Chem., 1963, 67, 685-689. [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]

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [all data]

Rodgers, 2001
Rodgers, M.T., Substituent Effects in the Binding of Alkali Metal Ions to Pyridines, Studied by Threshold Collision-Induced Dissociation and ab Initio Theory: The Methylpyridines, J. Phys. Chem. A, 2001, 105, 11, 2374, https://doi.org/10.1021/jp004055z . [all data]


Notes

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