Pyridine, 4-methyl-
- Formula: C6H7N
- Molecular weight: 93.1265
- IUPAC Standard InChI: InChI=1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3
- IUPAC Standard InChIKey: FKNQCJSGGFJEIZ-UHFFFAOYSA-N
- CAS Registry Number: 108-89-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: 4-Picoline; γ-Methylpyridine; γ-Picoline; p-Methylpyridine; p-Picoline; Ba 35846; 4-Methylpyridine; para-Methylpyridine; gamma-Picoline; NSC 18252
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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 | 103.8 ± 0.92 | kJ/mol | Ccb | Good, 1972 | ALS |
| ΔfH°gas | 102.13 ± 0.63 | kJ/mol | Cm | Andon, Cox, et al., 1957 | ALS |
| ΔfH°gas | 102.2 ± 0.63 | kJ/mol | Ccb | Cox, Challoner, et al., 1954 | ALS |
| ΔfH°gas | 92.7 | kJ/mol | N/A | Constam and White, 1903 | Value computed using ΔfHliquid° value of 48.1 kj/mol from Constam and White, 1903 and ΔvapH° value of 44.6 kj/mol from Good, 1972.; DRB |
Ion clustering 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 by: Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
+
= (
•
)
By formula: K+ + C6H7N = (K+ • C6H7N)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 98.7 ± 4.2 | kJ/mol | CIDT | Rodgers, 2001 |
+
= (
•
)
By formula: Li+ + C6H7N = (Li+ • C6H7N)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 196. ± 14. | kJ/mol | CIDT | Rodgers, 2001 |
+
= (
•
)
By formula: Na+ + C6H7N = (Na+ • C6H7N)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 133. ± 4. | kJ/mol | CIDT | Rodgers, 2001 |
References
Go To: Top, Gas phase thermochemistry data, Ion clustering 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]
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
Go To: Top, Gas phase thermochemistry data, Ion clustering data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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