2-Propanamine
- Formula: C3H9N
- Molecular weight: 59.1103
- IUPAC Standard InChIKey: JJWLVOIRVHMVIS-UHFFFAOYSA-N
- CAS Registry Number: 75-31-0
- 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: Isopropylamine; sec-Propylamine; Monoisopropylamine; 1-Methylethylamine; 2-Aminopropane; 2-Propylamine; iso-C3H7NH2; Isopropilamina; Propane, 2-amino-; 2-Amino-propaan; 2-Amino-propano; 2-Aminopropan; UN 1221; iso-Propylamine gas; NSC 62775
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -20.0 ± 0.2 | kcal/mol | Cm | Scott, 1971 | |
ΔfH°gas | -20.02 ± 0.19 | kcal/mol | Ccr | Smith and Good, 1967 |
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 |
---|---|---|---|---|---|
ΔfH°liquid | -26.83 ± 0.16 | kcal/mol | Ccr | Smith and Good, 1967 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -562.74 ± 0.12 | kcal/mol | Ccr | Smith and Good, 1967 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 52.180 | 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 |
---|---|---|---|
39.161 | 298.15 | Finke, Messerly, et al., 1972 | T = 12 to 350 K.; DH |
39.2 | 298.15 | Konicek and Wadso, 1971 | DH |
39.51 | 298.15 | Smith and Good, 1967 | DH |
39.20 | 313. | Hough, Mason, et al., 1950 | T = 313 to 343 K.; DH |
Reaction 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
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
(C3H210N+ • 2) + = (C3H210N+ • 3)
By formula: (C3H210N+ • 2C3H9N) + C3H9N = (C3H210N+ • 3C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.2 | kcal/mol | HPMS | Zielinska and Wincel, 1974 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 39.3 | cal/mol*K | HPMS | Zielinska and Wincel, 1974 | gas phase; Entropy change is questionable; M |
(C3H210N+ • ) + = (C3H210N+ • 2)
By formula: (C3H210N+ • C3H9N) + C3H9N = (C3H210N+ • 2C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.8 | kcal/mol | HPMS | Zielinska and Wincel, 1974 | gas phase; Entropy change is questionable; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 42.6 | cal/mol*K | HPMS | Zielinska and Wincel, 1974 | gas phase; Entropy change is questionable; M |
C3H8N- + =
By formula: C3H8N- + H+ = C3H9N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 397.2 ± 3.1 | kcal/mol | G+TS | Brauman and Blair, 1971 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 389.9 ± 3.0 | kcal/mol | IMRB | Brauman and Blair, 1971 | gas phase; B |
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.
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]
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]
Hough, Mason, et al., 1950
Hough, E.W.; Mason, D.M.; Sage, B.H.,
Heat capacities of several organic liquids,
J. Am. Chem. Soc., 1950, 72, 5775-5777. [all data]
Zielinska and Wincel, 1974
Zielinska, T.J.; Wincel, H.,
Gas - Phase Solvation of Protonated Aliphatic Amines: Methyl, Ethyl, n - Propyl, and Iso - Propylamine,
Chem. Phys. Lett., 1974, 25, 354. [all data]
Brauman and Blair, 1971
Brauman, J.I.; Blair, L.K.,
Gas phase acidities of amines,
J. Am. Chem. Soc., 1971, 93, 3911. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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