Pyridine, 3-methyl-
- Formula: C6H7N
- Molecular weight: 93.1265
- IUPAC Standard InChI: InChI=1S/C6H7N/c1-6-3-2-4-7-5-6/h2-5H,1H3
- IUPAC Standard InChIKey: ITQTTZVARXURQS-UHFFFAOYSA-N
- CAS Registry Number: 108-99-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 3-Picoline; β-Methylpyridine; β-Picoline; m-Picoline; 3-Methylpyridine; meta-Methylpyridine; beta-Picoline; 5-Methylpyridine; m-Methylpyridine; NSC 18251
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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 |
|---|---|---|---|---|---|
| ΔfH°gas | 103.6 ± 1.3 | kJ/mol | Ccb | Gerasimov, Gubareva, et al., 1992 | %hf298_condensed[kJ/mol]=-61.1±1.3; ALS |
| ΔfH°gas | 106.1 ± 0.71 | kJ/mol | Ccb | Scott, Good, et al., 1963 | ALS |
| ΔfH°gas | 113.6 ± 1.0 | kJ/mol | Cm | Andon, Cox, et al., 1957 | ALS |
| ΔfH°gas | 113.6 ± 1.0 | kJ/mol | Ccb | Cox, Challoner, et al., 1954 | ALS |
| ΔfH°gas | 75.5 | kJ/mol | N/A | Constam and White, 1903 | Value computed using ΔfHliquid° value of 33.0 kj/mol from Constam and White, 1903 and ΔvapH° value of 42.5 kj/mol from Gerasimov, Gubareva, et al., 1992.; DRB |
References
Go To: Top, Gas phase 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 β-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]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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