Pentane, 2-methyl-
- Formula: C6H14
- Molecular weight: 86.1754
- IUPAC Standard InChI: InChI=1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3
- IUPAC Standard InChIKey: AFABGHUZZDYHJO-UHFFFAOYSA-N
- CAS Registry Number: 107-83-5
- 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: Isohexane; 2-Methylpentane; (CH3)2CH(CH2)2CH3; Methyl pentane; UN 1208; UN 2462; Esano isomeri
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
+
=
By formula: H2 + C6H12 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -116.3 ± 0.43 | kJ/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
| ΔrH° | -115.6 ± 2.2 | kJ/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Dioxane |
+
=
By formula: H2 + C6H12 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -116.9 ± 0.38 | kJ/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
| ΔrH° | -114. | kJ/mol | Chyd | Turner, Nettleton, et al., 1958 | liquid phase; solvent: Acetic acid |
+
=
By formula: H2 + C6H12 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -114.2 ± 0.57 | kJ/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
| ΔrH° | -110. | kJ/mol | Chyd | Turner, Nettleton, et al., 1958 | liquid phase; solvent: Acetic acid |
2 +
=
By formula: 2H2 + C6H10 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -270. ± 0.4 | kJ/mol | Chyd | Roth, Kirmse, et al., 1982 | liquid phase; solvent: Isooctane |
=
By formula: C6H14 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -5.44 ± 0.88 | kJ/mol | Ciso | Prosen and Rossini, 1941 | liquid phase; Calculated from ΔHc |
+
=
By formula: H2 + C6H12 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -126.7 ± 0.43 | kJ/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
+
=
By formula: H2 + C6H12 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -111.6 ± 0.74 | kJ/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
=
By formula: C6H14 = C6H14
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 0.92 ± 0.46 | kJ/mol | Eqk | Roganov, Kabo, et al., 1972 | gas phase; At 368 K |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K.,
Enthalpies of hydrogenation of the hexenes,
J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]
Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R.,
Heats of hydrogenation by a simple and rapid flow calorimetric method,
Appl. Catal., 1984, 9, 219-223. [all data]
Turner, Nettleton, et al., 1958
Turner, R.B.; Nettleton, J.E.; Perelman,
Heats of Hydrogenation. VI. Heats of hydrogenation of some substituted ethylenes,
J. Am. Chem. Soc., 1958, 80, 1430-1433. [all data]
Roth, Kirmse, et al., 1982
Roth, W.R.; Kirmse, W.; Hoffmann, W.; Lennartz, H.W.,
Heats of hydrogenation. III. Effect of fluoro substituents on the thermal rearrangement of cyclopropane systems,
Chem. Ber., 1982, 115, 2508-2515. [all data]
Prosen and Rossini, 1941
Prosen, E.J.R.; Rossini, F.D.,
Heats of isomerization of the five hexanes,
J. Res. NBS, 1941, 27, 289-310. [all data]
Roganov, Kabo, et al., 1972
Roganov, G.N.; Kabo, G.Ya.; Andreevskii, D.N.,
Thermodynamics of the isomerization of methylpentanes and methylheptanes,
Neftekhimiya, 1972, 12, 495-500. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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