2-Propanamine, 2-methyl-
- Formula: C4H11N
- Molecular weight: 73.1368
- IUPAC Standard InChI: InChI=1S/C4H11N/c1-4(2,3)5/h5H2,1-3H3
- IUPAC Standard InChIKey: YBRBMKDOPFTVDT-UHFFFAOYSA-N
- CAS Registry Number: 75-64-9
- 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: tert-Butylamine; Trimethylaminomethane; 1,1-Dimethylethylamine; 2-Amino-2-Methylpropane; 2-Aminoisobutane; 2-Methyl-2-aminopropane; 2-Methyl-2-propylamine; tert-C4H9NH2; 2-Methyl-2-propanamine; t-Butylamine; Butylamine, tert; Butylamine, tertiary; 1,1-Dimethylethanamine; 1-Amino-1,1-dimethylethane; Erbumine; NSC 9571
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Gas phase thermochemistry data
Go To: Top, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -28.8 ± 0.2 | kcal/mol | Cm | Scott, 1971 | ALS |
| ΔfH°gas | -28.90 ± 0.15 | kcal/mol | Ccr | Smith and Good, 1967 | ALS |
| ΔfH°gas | -28.75 | kcal/mol | N/A | Evans, Fairbrother, et al., 1959 | Value computed using ΔfHliquid° value of -150.0±1.0 kj/mol from Evans, Fairbrother, et al., 1959 and ΔvapH° value of 29.7 kj/mol from Smith and Good, 1967.; DRB |
| ΔfH°gas | -33.29 | kcal/mol | N/A | Lemoult, 1907 | Value computed using ΔfHliquid° value of -169.0 kj/mol from Lemoult, 1907 and ΔvapH° value of 29.7 kj/mol from Smith and Good, 1967.; 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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -36.00 ± 0.12 | kcal/mol | Ccr | Smith and Good, 1967 | ALS |
| ΔfH°liquid | -36.0 ± 0.3 | kcal/mol | Ccb | Evans, Fairbrother, et al., 1959 | ALS |
| ΔfH°liquid | -40.4 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -715.94 ± 0.10 | kcal/mol | Ccr | Smith and Good, 1967 | ALS |
| ΔcH°liquid | -716.01 ± 0.27 | kcal/mol | Ccb | Evans, Fairbrother, et al., 1959 | ALS |
| ΔcH°liquid | -716.3 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 55.839 | cal/mol*K | N/A | Finke, Messerly, et al., 1972 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 45.820 | 298.15 | Finke, Messerly, et al., 1972 | T = 12 to 350 K.; DH |
| 45.4 | 298.15 | Konicek and Wadso, 1971 | DH |
| 45.89 | 298.15 | Smith and Good, 1967 | 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.
Scott, 1971
Scott, D.W.,
1-Aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane. Vibrational assignments, conformational analyses, and chemical thermodynamic properties,
J. Chem. Thermodyn., 1971, 3, 843-852. [all data]
Smith and Good, 1967
Smith, N.K.; Good, W.D.,
Enthalpies of combustion and formation of propylamine, isopropylamine, and tert-butylamine,
J. Chem. Eng. Data, 1967, 12, 572-574. [all data]
Evans, Fairbrother, et al., 1959
Evans, F.W.; Fairbrother, D.M.; Skinner, H.A.,
The heats of combustion of organic compounds of nitrogen Part 3.-Butylamines, and the cis-dimer of nitrosoisobutane,
Trans. Faraday Soc., 1959, 55, 399-403. [all data]
Lemoult, 1907
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1907, 12, 395-432. [all data]
Finke, Messerly, et al., 1972
Finke, H.L.; Messerly, J.F.; Todd, S.S.,
Thermodynamic properties of acrylonitrile, 1-aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane,
J. Chem. Thermodynam., 1972, 4, 359-374. [all data]
Konicek and Wadso, 1971
Konicek, J.; Wadso, I.,
Thermochemical properties of some carboxylic acids, amines and N-substituted amides in aqueous solution,
Acta Chem. Scand., 1971, 25, 1541-1551. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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